Tag Archives: flexible couplings

China Hot selling Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings

Product Description

Item No.	φD	L	L1	L2	L3	S	M	Tighten the strength(N.m)
SG7-10-14-	15	20	6	6	3	1	M3	1
SG7-10-25-	26	26	8	8	4	1	M4	1.5
SG7-10-30-	32	32	10	9	5	1.5	M4	1.7
SG7-10-40-	40	50	17	12	8.5	2	M5	4
SG7-10-55-	56	58	20	14	10	2	M5	4
SG7-10-65-	66	62	21	15	10.5	2.5	M8	15
SG7-10-80-	82	86	31	18	15.5	3	M8	15
SG7-10-95-	98	94	34	20	17	3	M8	15
SG7-10-108-	108	123	46	24	23	3.5	M8	15

1111

Item No.	Rated torque	Maximum Torque	Max Speed	Inertia Moment	N.m rad	RRO	Tilting Tolerance	End-play	Weight:(g)
SG7-10-14-	1.1N.m	2.2N.m	19000prm	3.9×10-4kg.m²	45N.m/rad	0.02mm	1.0c	+0.6mm	20
SG7-10-25-	6.0N.m	12N.m	16000prm	6.8×10kg.m²	56N.m/rad	0.02mm	1.0c	+0.6mm	25
SG7-10-30-	6.5N.m	13N.m	15000prm	8.3×10kg.m²	70N.m/rad	0.02mm	1.0c	+0.6mm	46
SG7-10-40-	32N.m	64N.m	13000prm	9.3×10kg.m²	490N.m/rad	0.02mm	1.0c	+0.8mm	135
SG7-10-55-	46N.m	92N.m	10500prm	3.8×10-3kg.m²	1470N.m/rad	0.02mm	1.0c	+0.8mm	300
SG7-10-65-	109N.m	218N.m	8300prm	8×10kg.m²	2700N.m/rad	0.02mm	1.0c	+0.8mm	570
SG7-10-80-	135N.m	270N.m	7000prm	1.5×10-2kg.m²	3100N.m/rad	0.02mm	1.0c	+1.0mm	910
SG7-10-95-	260N.m	520N.m	6000prm	1.9×10kg.m²	4400N.m/rad	0.02mm	1.0c	+1.0mm	1530
SG7-10-108-	430N.m	860N.m	5000prm	3×10kg.m²	5700N.m/rad	0.02mm	1.0c	+1.0mm	2200

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spider coupling

How does a spider coupling compare to other types of couplings, such as jaw couplings or gear couplings?

Spider couplings, jaw couplings, and gear couplings are all commonly used in mechanical systems for power transmission and misalignment compensation. Each type of coupling has its own unique characteristics and advantages. Here’s a comparison:

Spider Couplings: Spider couplings, also known as flexible couplings or jaw/spider couplings, use an elastomeric spider to transmit torque and accommodate misalignment. They are known for their flexibility, vibration dampening, and ability to handle angular, radial, and axial misalignment. Spider couplings are suitable for a wide range of applications and are cost-effective solutions for moderate torque requirements and misalignment compensation.
Jaw Couplings: Jaw couplings consist of two hubs with curved jaws that interlock and transmit torque. They are simple to install and provide a secure connection. However, jaw couplings are less effective in accommodating misalignment compared to spider couplings. They are suitable for applications with minimal misalignment and moderate torque transmission.
Gear Couplings: Gear couplings use toothed gears to transmit torque between shafts. They are robust and capable of transmitting high torque while accommodating some misalignment. Gear couplings are often used in heavy-duty applications that require precise torque transmission and can tolerate limited misalignment.

When comparing these couplings, spider couplings stand out for their versatility in handling various types of misalignment and providing vibration dampening. Jaw couplings are simpler and suitable for applications with minimal misalignment, while gear couplings excel in heavy-duty applications with high torque requirements. The choice between these couplings depends on the specific requirements of the application, including torque, misalignment compensation, space limitations, and cost considerations.

spider coupling

Can you explain the concept of torsional stiffness in relation to spider couplings?

Torsional stiffness is a crucial concept in the design and functionality of spider couplings. It refers to the ability of a coupling to resist rotational deformation (twisting) when subjected to a torque load. In other words, torsional stiffness measures how much a coupling can maintain its shape and transmit torque without excessive twisting or deformation.

In the context of spider couplings:

High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

When selecting a spider coupling for a specific application, the torsional stiffness of the coupling needs to be considered based on the requirements of the machinery system. The choice between high and low torsional stiffness depends on factors such as the level of precision needed, the type of load, the degree of misalignment, and the overall performance objectives.

It’s important to note that while torsional stiffness is a key consideration, other factors like the material of the elastomeric spider, size of the coupling, and the type of spider profile also play a role in the coupling’s overall performance and behavior.

spider coupling

How do you properly install and maintain a spider coupling in machinery?

Installation:

Proper installation of a spider coupling is essential to ensure its optimal performance and longevity. Here are the steps for installing a spider coupling:

Ensure Safety: Before starting any installation, make sure the machinery is properly shut down and all energy sources are disconnected.
Inspect Components: Check the hubs, elastomeric spider, and shafts for any damage or debris. Ensure that the components match the correct specifications.
Align Shafts: Align the shafts to minimize initial misalignment before inserting the elastomeric spider.
Insert Spider: Place the elastomeric spider into one of the hubs, ensuring that the lobes or fins are correctly aligned with the grooves in the hub.
Align Second Hub: Carefully align the second hub with the first one, making sure the spider lobes fit into the grooves of both hubs.
Press Hubs Together: Gently press the hubs together until they meet. Avoid using excessive force, as this could damage the elastomeric spider.
Check Alignment: After installation, check the alignment of the shafts and the coupling. Misalignment should not exceed the manufacturer’s recommended limits.
Tighten Fasteners: Tighten the fasteners on the hubs according to the manufacturer’s torque specifications. Use a torque wrench to ensure proper tightening.
Verify Clearance: Check for proper clearance between the coupling and surrounding components to prevent interference during operation.
Run System: Start the machinery and monitor the coupling for any unusual vibrations or noise. Make any necessary adjustments if issues are detected.

Maintenance:

Maintaining a spider coupling is important to ensure its continued performance and prevent premature failure. Here are some maintenance tips:

Regular Inspection: Periodically inspect the spider coupling for signs of wear, damage, or deterioration. Look for cracks, tears, or other abnormalities in the elastomeric spider.
Clean Environment: Keep the coupling and surrounding area clean from dirt, debris, and contaminants that could impact its performance.
Lubrication: Spider couplings are self-lubricating due to the elastomeric material. Avoid using additional lubricants, as they can deteriorate the elastomeric properties.
Temperature Consideration: Be aware of the temperature range specified by the manufacturer for the elastomeric material. Extreme temperatures can affect the performance and lifespan of the coupling.
Replace Worn Parts: If the elastomeric spider shows signs of wear, replace it with a new one from the manufacturer. Do not continue using a worn or damaged spider.
Monitor Vibrations: Regularly monitor the machinery for unusual vibrations or noise, as these can indicate issues with the coupling. Address any problems promptly.
Follow Manufacturer Guidelines: Adhere to the manufacturer’s recommended maintenance schedule and guidelines for the specific spider coupling model.

Proper installation and regular maintenance contribute to the reliable and efficient operation of a spider coupling in machinery.

China Hot selling Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings
editor by CX 2023-12-27

China supplier Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings

Product Description

Item No.	φD	L	L1	L2	L3	S	M	Tighten the strength(N.m)
SG7-10-14-	15	20	6	6	3	1	M3	1
SG7-10-25-	26	26	8	8	4	1	M4	1.5
SG7-10-30-	32	32	10	9	5	1.5	M4	1.7
SG7-10-40-	40	50	17	12	8.5	2	M5	4
SG7-10-55-	56	58	20	14	10	2	M5	4
SG7-10-65-	66	62	21	15	10.5	2.5	M8	15
SG7-10-80-	82	86	31	18	15.5	3	M8	15
SG7-10-95-	98	94	34	20	17	3	M8	15
SG7-10-108-	108	123	46	24	23	3.5	M8	15

1111111111111111

Item No.	Rated torque	Maximum Torque	Max Speed	Inertia Moment	N.m rad	RRO	Tilting Tolerance	End-play	Weight:(g)
SG7-10-14-	1.1N.m	2.2N.m	19000prm	3.9×10-4kg.m²	45N.m/rad	0.02mm	1.0c	+0.6mm	20
SG7-10-25-	6.0N.m	12N.m	16000prm	6.8×10kg.m²	56N.m/rad	0.02mm	1.0c	+0.6mm	25
SG7-10-30-	6.5N.m	13N.m	15000prm	8.3×10kg.m²	70N.m/rad	0.02mm	1.0c	+0.6mm	46
SG7-10-40-	32N.m	64N.m	13000prm	9.3×10kg.m²	490N.m/rad	0.02mm	1.0c	+0.8mm	135
SG7-10-55-	46N.m	92N.m	10500prm	3.8×10-3kg.m²	1470N.m/rad	0.02mm	1.0c	+0.8mm	300
SG7-10-65-	109N.m	218N.m	8300prm	8×10kg.m²	2700N.m/rad	0.02mm	1.0c	+0.8mm	570
SG7-10-80-	135N.m	270N.m	7000prm	1.5×10-2kg.m²	3100N.m/rad	0.02mm	1.0c	+1.0mm	910
SG7-10-95-	260N.m	520N.m	6000prm	1.9×10kg.m²	4400N.m/rad	0.02mm	1.0c	+1.0mm	1530
SG7-10-108-	430N.m	860N.m	5000prm	3×10kg.m²	5700N.m/rad	0.02mm	1.0c	+1.0mm	2200

spider coupling

What are the common challenges associated with spider coupling misalignment and how can they be addressed?

Misalignment is a common challenge in spider couplings that can lead to reduced efficiency, increased wear, and potential coupling failure. Here are the common challenges associated with misalignment and how they can be addressed:

Reduced Torque Transmission: Misalignment can decrease the effective torque transmitted between the shafts, leading to inefficiency and potential overload. Regularly check and align the shafts according to the manufacturer’s recommendations to ensure proper torque transmission.
Vibration and Noise: Misalignment can cause excessive vibrations and noise in the machinery. Implement precision alignment techniques during installation to minimize misalignment-induced vibrations and noise.
Increased Wear: Misalignment results in uneven loading on the elastomeric spider, causing premature wear and potential failure. Regularly inspect the coupling for signs of wear and replace the elastomeric spider if necessary. Address misalignment promptly to prevent excessive wear.
Heat Generation: Misalignment can generate heat due to friction between the elastomeric spider and the hubs. This can lead to accelerated wear and reduced coupling lifespan. Proper alignment helps minimize heat generation and associated issues.
Shaft Fatigue: Severe misalignment can induce shaft fatigue and stress concentrations, leading to shaft failure over time. Avoid excessive misalignment and ensure that the coupling is properly aligned during installation.
Reduced Service Life: Misalignment puts additional stress on the elastomeric spider, reducing its service life. Proper alignment and maintenance practices can extend the service life of the coupling.
Performance Variations: Misalignment can lead to variations in performance and inconsistent operation of the machinery. Regularly monitor the coupling’s performance and address any issues promptly to ensure consistent operation.

To address these challenges, it’s crucial to prioritize precision alignment during the installation of the spider coupling. Follow the manufacturer’s guidelines for alignment tolerances and use alignment tools and techniques to achieve accurate alignment. Regular maintenance, including inspections and alignment checks, will help mitigate the negative effects of misalignment and ensure the reliable performance of spider couplings in industrial applications.

spider coupling

What are the best practices for ensuring proper lubrication of spider couplings?

Proper lubrication is essential for maintaining the performance and lifespan of spider couplings. Here are some best practices to ensure proper lubrication:

Use the Right Lubricant: Select a lubricant that is recommended by the coupling manufacturer. The lubricant should be compatible with the elastomeric spider material and the operating conditions of the machinery.
Follow Manufacturer’s Guidelines: Adhere to the lubrication schedule and guidelines provided by the manufacturer. They will specify the appropriate lubrication intervals and the quantity of lubricant to be applied.
Clean the Components: Before applying lubricant, make sure the coupling components are clean and free of dirt, debris, and old lubricant residues. Cleaning the components prevents contamination of the new lubricant.
Apply Lubricant Evenly: Apply the lubricant evenly on all contact surfaces of the elastomeric spider and the coupling hub. Avoid over-lubrication, which can lead to excess buildup and potential slippage.
Use Lubrication Tools: Some couplings may have lubrication ports or fittings that facilitate the application of lubricant. If such features are present, use the appropriate lubrication tools to ensure thorough coverage.
Operate Coupling After Lubrication: After applying lubricant, operate the coupling for a short period to ensure that the lubricant is evenly distributed across the contact surfaces. This helps in preventing dry spots and optimizing lubrication effectiveness.
Monitor Lubricant Condition: Regularly inspect the condition of the lubricant during routine maintenance checks. If you notice signs of contamination, degradation, or insufficient lubrication, take corrective actions promptly.
Consider Operating Conditions: Environmental factors such as temperature, humidity, and exposure to chemicals can affect the performance of lubricants. Choose a lubricant that can withstand the specific operating conditions of the machinery.
Document Lubrication Activities: Keep a record of lubrication activities, including the type of lubricant used, lubrication intervals, and the results of lubrication checks. This documentation helps track the history of lubrication and informs future maintenance decisions.

By following these best practices for lubrication, you can ensure that the elastomeric spider remains properly lubricated, reducing friction, wear, and the potential for premature coupling failure.

spider coupling

What factors should be considered when selecting a spider coupling for a specific application?

Choosing the right spider coupling for a specific application requires careful consideration of various factors to ensure optimal performance and reliability. Here are the key factors to consider:

Torque Requirements: Determine the torque that the coupling needs to transmit between the shafts. Select a spider coupling that can handle the required torque without exceeding its limitations.
Misalignment Compensation: Assess the type and degree of misalignment that the coupling needs to accommodate. Different spider coupling designs offer varying levels of misalignment compensation.
Operating Conditions: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a spider coupling with elastomeric material that can withstand these conditions.
Shaft Diameters: Measure the diameters of the connected shafts. Ensure that the selected spider coupling matches the shaft sizes to achieve a secure and reliable fit.
Space Limitations: Evaluate the available space for installing the coupling. Choose a compact spider coupling design that fits within the available dimensions.
Shaft Speed: Determine the rotational speed of the shafts. Ensure that the selected spider coupling can handle the speed range without causing excessive wear or vibrations.
Vibration Dampening: If vibration reduction is a priority, select a spider coupling with elastomeric material that offers effective vibration dampening properties.
Electrical Isolation: In applications where electrical isolation is necessary, choose a spider coupling with electrically insulating properties to prevent current transmission between shafts.
Chemical Compatibility: If the machinery operates with specific chemicals or fluids, ensure that the elastomeric material of the coupling is compatible with these substances.
Cost Consideration: Evaluate the budget available for the coupling. Consider both the upfront cost and the potential savings from reduced maintenance and downtime.
Manufacturer Reputation: Choose spider couplings from reputable manufacturers known for producing high-quality and reliable products.
Application Type: Different industries and applications have unique requirements. Consider the specific demands of the application, such as pumps, compressors, conveyors, etc.

By carefully evaluating these factors, you can select a spider coupling that best matches the requirements of your application, ensuring efficient power transmission, misalignment compensation, and overall system performance.

China supplier Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings
editor by CX 2023-10-16

China Professional Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings

Product Description

Item No.	φD	L	L1	L2	L3	S	M	Tighten the strength(N.m)
SG7-10-14-	15	20	6	6	3	1	M3	1
SG7-10-25-	26	26	8	8	4	1	M4	1.5
SG7-10-30-	32	32	10	9	5	1.5	M4	1.7
SG7-10-40-	40	50	17	12	8.5	2	M5	4
SG7-10-55-	56	58	20	14	10	2	M5	4
SG7-10-65-	66	62	21	15	10.5	2.5	M8	15
SG7-10-80-	82	86	31	18	15.5	3	M8	15
SG7-10-95-	98	94	34	20	17	3	M8	15
SG7-10-108-	108	123	46	24	23	3.5	M8	15

1111111111111111

Item No.	Rated torque	Maximum Torque	Max Speed	Inertia Moment	N.m rad	RRO	Tilting Tolerance	End-play	Weight:(g)
SG7-10-14-	1.1N.m	2.2N.m	19000prm	3.9×10-4kg.m²	45N.m/rad	0.02mm	1.0c	+0.6mm	20
SG7-10-25-	6.0N.m	12N.m	16000prm	6.8×10kg.m²	56N.m/rad	0.02mm	1.0c	+0.6mm	25
SG7-10-30-	6.5N.m	13N.m	15000prm	8.3×10kg.m²	70N.m/rad	0.02mm	1.0c	+0.6mm	46
SG7-10-40-	32N.m	64N.m	13000prm	9.3×10kg.m²	490N.m/rad	0.02mm	1.0c	+0.8mm	135
SG7-10-55-	46N.m	92N.m	10500prm	3.8×10-3kg.m²	1470N.m/rad	0.02mm	1.0c	+0.8mm	300
SG7-10-65-	109N.m	218N.m	8300prm	8×10kg.m²	2700N.m/rad	0.02mm	1.0c	+0.8mm	570
SG7-10-80-	135N.m	270N.m	7000prm	1.5×10-2kg.m²	3100N.m/rad	0.02mm	1.0c	+1.0mm	910
SG7-10-95-	260N.m	520N.m	6000prm	1.9×10kg.m²	4400N.m/rad	0.02mm	1.0c	+1.0mm	1530
SG7-10-108-	430N.m	860N.m	5000prm	3×10kg.m²	5700N.m/rad	0.02mm	1.0c	+1.0mm	2200

spider coupling

Can a spider coupling handle high levels of torque and angular misalignment?

Yes, a spider coupling is designed to handle a range of torque levels and accommodate angular misalignment. The elastomeric spider element, which is a key component of the coupling, provides the flexibility needed to transmit torque and compensate for misalignment. Here’s how a spider coupling handles these factors:

High Torque: Spider couplings are engineered to transmit torque efficiently. The elastomeric spider deforms slightly under torque load, allowing it to transfer power between the shafts. The specific torque capacity depends on the design, materials, and size of the coupling. High-performance spider couplings can handle significant torque loads, making them suitable for various industrial applications.
Angular Misalignment: Spider couplings can accommodate angular misalignment between the connected shafts. The elastomeric spider can flex in different directions, allowing for a certain degree of angular deviation between the shafts. This flexibility helps prevent excessive stress on the shafts and components, enhancing the coupling’s lifespan and reliability.

However, it’s important to note that while spider couplings can handle a range of torque levels and angular misalignment, there are limitations to how much misalignment they can compensate for. Excessive misalignment can lead to premature wear and reduced coupling performance. It’s recommended to follow the manufacturer’s guidelines for allowable misalignment and torque capacity to ensure optimal coupling performance and longevity.

spider coupling

Can you explain the concept of torsional stiffness in relation to spider couplings?

In the context of spider couplings:

High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

spider coupling

What is a spider coupling and how is it used in mechanical systems?

A spider coupling, also known as a jaw coupling or elastomeric coupling, is a type of flexible coupling used to connect two shafts while accommodating misalignment and transmitting torque between them. It consists of three main components: two hubs and an elastomeric spider or insert that fits between them.

The elastomeric spider is typically made of a flexible and durable material, such as rubber or polyurethane, with a series of lobes or fins that fit into matching grooves on the inner surfaces of the hubs. These lobes allow the spider to flex and absorb misalignments between the connected shafts while transmitting torque.

The spider coupling is used in mechanical systems to:

Transmit Torque: The primary function of a spider coupling is to transmit torque from one shaft to another. As the shafts rotate, the elastomeric spider deforms slightly, allowing the hubs to move relative to each other while maintaining torque transmission.
Accommodate Misalignment: Spider couplings can accommodate different types of misalignment, including angular, axial, and parallel misalignments, without causing excessive stress on the connected components. This flexibility helps prevent premature wear and failure.
Dampen Vibrations: The elastomeric material of the spider acts as a shock absorber, dampening vibrations and reducing the transmission of vibrations between the connected shafts. This can improve overall system performance and reduce wear on components.
Isolate Shock Loads: In applications with sudden changes in torque or shock loads, the spider coupling can absorb and dampen these shocks, protecting the connected components from damage.
Reduce Maintenance: Spider couplings require minimal maintenance due to their simple design and absence of lubrication points. This can lead to reduced downtime and maintenance costs in industrial machinery.
Provide Electric Insulation: Spider couplings can provide electrical isolation between the connected shafts, making them suitable for applications where electrical grounding needs to be minimized.

Spider couplings are commonly used in various machinery and equipment, such as pumps, compressors, conveyors, fans, and industrial machinery. They are particularly well-suited for applications that require flexibility, misalignment compensation, vibration reduction, and ease of maintenance.

China Professional Sg7-10 Curved Jaw-Type Flexible Coupling Spider Shaft Couplings
editor by CX 2023-09-18

China high quality CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings

Product Description

OEM High Precision Injection Molding Plastic Electronic Cover Housing

Product Description

1. Precision CNC machining parts strictly follow customers’ drawing, packing, and quality requirements.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;

Detailed Photos

Product Parameters

Our advantage of cnc machining:

Business Type

Beyond the Manufacturer and strong Milling Machining Parts organized ability in the industrial

Benefits

1. Deeper industrial experience at CNC machining parts service for more than 10-years,our customer’s requirement is our 1st priority.
2. 2D or 3D files is available;
3. We trust the quality priority and we insist the good quality should be based on the customers’ satisfied;
4. Without any MOQ requirement;
5.Faster delivery time;
6. Customized size and specification /OEM available
7. Near ZheJiang Port

The material

Materials Accept	Stainless Steel	SS201, SS303, SS304, SS316 etc.
	Steel	Q235, 20#, 45#,
	Brass	C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37) , C28000(CuZn40)
	Iron	1213, 12L14,1215 etc.
	Bronze	C51000, C52100, C54400, etc.
	Aluminum	Al6061, Al6063,AL7075,AL5052 etc
	Plastic	ABS,POM,PC(Poly-Carbonate),PC+GF,PA(nylon),PA+GF, PMMA(acrylic)PEEK,PEI etc)

Packaging & Shipping

We prefer DHL or TNT express or other air freight between 1kg-100kg.
we prefer sea freight more than 100kg or more than 1CBM
As per customized specifications.

Company Profile

About us
HangZhou CZPT Technology Co.,Ltd is located in HangZhou City, ZheJiang Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CZPT to cooperating with you!

Our Advantages

1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;

After Sales Service

Iso9001 certified CZPT cnc parts
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.

Our Service

Our Processing	CNC center, CNC milling, CNC turning, drilling, grinding, bending, stamping, tapping,
Surface finish	Polishing, sandblasting, Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated,
Tolerance	0.05mm~0.1mm
QC System	100% inspection before shipment
Drawing format	CAD / PDF/ DWG/ IGS/ STEP
Packaging	Plastic bag/Standard package / Carton or Pallet / As per customized specifications
Payment Terms	30 -50%T/T in advance, 70-50% balance before delivery; Pay Pal or Western Union is acceptable.
Trade terms	EXW, FOB, CIF, As per the customer’s request
Shipment Terms	1)We prefer DHL or TNT express or other air freight between 1kg-100kg. 2) we prefer sea freight more than 100kg or more than 1CBM 3) As per customized specifications.
Note	The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment

spider coupling

Are there any industry standards or guidelines for designing and using spider couplings?

Yes, there are industry standards and guidelines that provide recommendations for designing, selecting, and using spider couplings in various mechanical systems. These standards help ensure the safe and reliable operation of spider couplings in industrial applications. Some of the relevant standards include:

AGMA 9002-B15: This American Gear Manufacturers Association (AGMA) standard provides guidelines for the selection and application of flexible couplings, including spider couplings. It covers topics such as coupling types, misalignment, torque capacity, and lubrication.
ISO 14691: This International Organization for Standardization (ISO) standard specifies methods for testing the torsional stiffness of flexible couplings, including spider couplings. It outlines procedures for determining the dynamic torsional stiffness and related parameters.
API 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings used in petroleum, chemical, and gas industry services. It covers design, manufacturing, inspection, and testing requirements for couplings, including those with elastomeric elements.

While these standards offer valuable insights, it’s important to note that specific industry requirements and applications may influence the design and selection of spider couplings. Manufacturers, engineers, and designers should also consider factors such as torque, misalignment compensation, environment, and system dynamics when applying these standards to their designs. Adhering to industry standards ensures that spider couplings are properly designed, installed, and used to meet the intended performance and safety criteria.

spider coupling

Are there any specific maintenance practices for ensuring the longevity of spider couplings?

Yes, implementing proper maintenance practices is crucial for ensuring the longevity and optimal performance of spider couplings. Here are some specific maintenance practices to consider:

Regular Inspections: Conduct routine visual inspections of the coupling to identify any signs of wear, damage, or misalignment. Regular inspections allow you to detect issues early and address them before they escalate.
Lubrication: Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant. Proper lubrication reduces friction, prevents excessive wear, and maintains coupling efficiency.
Alignment Checks: Ensure that the shafts connected by the coupling are properly aligned. Misalignment can accelerate wear and compromise coupling performance. Regular alignment checks are essential, especially after maintenance or changes in operating conditions.
Torque Checks: Periodically check the torque values of fasteners such as bolts, nuts, and screws that secure the coupling components. Proper torque ensures the coupling remains securely fastened.
Temperature Monitoring: Monitor the operating temperature of the coupling during normal operation. Abnormally high temperatures can indicate excessive friction and potential issues with the coupling.
Environmental Considerations: If the machinery is operating in harsh or corrosive environments, take appropriate measures to protect the coupling from contaminants, chemicals, and moisture.
Replacement of Elastomeric Spider: The elastomeric spider is a critical component of the coupling. Replace it if you notice signs of wear, cracks, tears, or deformation. Follow the manufacturer’s recommended replacement intervals.
Documentation: Maintain records of maintenance activities, inspections, and any repairs performed on the coupling. This documentation helps track the history of the coupling and informs future maintenance decisions.
Training and Education: Ensure that maintenance personnel are trained in proper coupling maintenance practices. This includes handling, installation, and lubrication procedures.

By adhering to these maintenance practices, you can extend the lifespan of spider couplings, reduce the likelihood of unexpected failures, and ensure the continued reliability of machinery systems.

spider coupling

Are there different types of spider couplings available for various uses?

Yes, there are different types of spider couplings available to suit various industrial applications and requirements. These variations in design and material offer flexibility in choosing the right coupling for specific uses. Here are some common types of spider couplings:

Standard Jaw Couplings: These couplings feature a simple design with two hubs and an elastomeric spider. They are suitable for general-purpose applications that require misalignment compensation and torque transmission.
Curved Jaw Couplings: These couplings have curved lobes on the elastomeric spider, allowing for increased misalignment compensation and dampening of vibrations. They offer higher torque capacity and are commonly used in pumps, compressors, and conveyors.
Spider Couplings with Spacer: These couplings include a spacer between the hubs, allowing for greater axial misalignment compensation. They are used in applications with longer distances between shafts.
Lovejoy Couplings: Lovejoy couplings are a specific brand of spider couplings known for their high torque capacity, durability, and ease of installation. They come in various styles, including standard, curved jaw, and split type.
Bowex Couplings: Bowex couplings are designed for applications with high torque requirements and aggressive operating conditions. They offer excellent misalignment compensation and are used in heavy-duty machinery.
Insert Material Variations: Spider couplings come with elastomeric inserts made from various materials such as rubber, polyurethane, and thermoplastic. These materials offer different levels of flexibility, temperature resistance, and chemical resistance.
Electrically Insulating Spider Couplings: Some spider couplings are designed with electrically insulating materials to prevent electrical current transmission between shafts. These couplings are used in applications where electrical isolation is critical.

The choice of spider coupling type depends on factors such as torque requirements, misalignment compensation needed, operating conditions, and industry-specific requirements. Proper selection ensures optimal performance, extended equipment lifespan, and reduced maintenance needs.

China high quality CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings
editor by CX 2023-09-12

China Hot selling CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings

Product Description

DO NOT worry about PRICE, we are manufacturer.

DO NOT worry about QUALITY, we have 16 years experience.

DO NOT worry about AFTER-SALES, we are 24 hours online.

Features :

1. The main body is made of high strength aluminum alloy
2. Zero backlash, suitable for forward and reverse rotation
3.Colloid is made of polyurethane, which has good wear resistance
4.Oil resistance and electrical insulation, the middle elasticbody can absorb vibration
5. Compensate radial, angular and axial deviations
6. Removable design for easy installation
7. Tightening method of positioning screw

Suitable for a wide range of devices

CNC lathes Optical inspection equipment

Module slider Servo motor

Company Profile

Certifications

Packaging & Shipping

All products will be well packed with standard export wooden case or
cartons.

Shafts packed with paper tube or plastic bag;
Linear guideways or lead screwswrapped with film or plastic bag;

Guarantee well protected against dampness,moisture, rust and shock.

Our Advantages

FAQ

Q1: Do you have a catalogue? Can you send me the catalogue to have a check of all your products?

A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.

Q2: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products,but not all.So just let us know what product do you need.

Q3 : Can you make customized products and customized packing?
A: Yes.We made a lot of customized products for our customer before.And we have many moulds for our customers already.About customized packing,we can put your Logo or other info on the packing.There is no problem.Just have to point out that ,it will cause some additional cost.

Q4: Can you provide samples ? Are the samples free ?
A: Yes,we can provide samples.Normally,we provide 1-2pcs free samples for test or quality checking.But you have to pay for the shipping cos.If you need many items, or need more qty for each item,we will charge for the samples.

Any requirements or question,Welcome to “Send” us an e-mail Now!
It’s our great honor to do services for you! You also can get the FREE SAMPLES soon.

spider coupling

How does a spider coupling compare to other types of couplings, such as jaw couplings or gear couplings?

Spider Couplings: Spider couplings, also known as flexible couplings or jaw/spider couplings, use an elastomeric spider to transmit torque and accommodate misalignment. They are known for their flexibility, vibration dampening, and ability to handle angular, radial, and axial misalignment. Spider couplings are suitable for a wide range of applications and are cost-effective solutions for moderate torque requirements and misalignment compensation.
Jaw Couplings: Jaw couplings consist of two hubs with curved jaws that interlock and transmit torque. They are simple to install and provide a secure connection. However, jaw couplings are less effective in accommodating misalignment compared to spider couplings. They are suitable for applications with minimal misalignment and moderate torque transmission.
Gear Couplings: Gear couplings use toothed gears to transmit torque between shafts. They are robust and capable of transmitting high torque while accommodating some misalignment. Gear couplings are often used in heavy-duty applications that require precise torque transmission and can tolerate limited misalignment.

spider coupling

Can you explain the concept of torsional stiffness in relation to spider couplings?

In the context of spider couplings:

High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

spider coupling

How do you properly install and maintain a spider coupling in machinery?

Installation:

Proper installation of a spider coupling is essential to ensure its optimal performance and longevity. Here are the steps for installing a spider coupling:

Ensure Safety: Before starting any installation, make sure the machinery is properly shut down and all energy sources are disconnected.
Inspect Components: Check the hubs, elastomeric spider, and shafts for any damage or debris. Ensure that the components match the correct specifications.
Align Shafts: Align the shafts to minimize initial misalignment before inserting the elastomeric spider.
Insert Spider: Place the elastomeric spider into one of the hubs, ensuring that the lobes or fins are correctly aligned with the grooves in the hub.
Align Second Hub: Carefully align the second hub with the first one, making sure the spider lobes fit into the grooves of both hubs.
Press Hubs Together: Gently press the hubs together until they meet. Avoid using excessive force, as this could damage the elastomeric spider.
Check Alignment: After installation, check the alignment of the shafts and the coupling. Misalignment should not exceed the manufacturer’s recommended limits.
Tighten Fasteners: Tighten the fasteners on the hubs according to the manufacturer’s torque specifications. Use a torque wrench to ensure proper tightening.
Verify Clearance: Check for proper clearance between the coupling and surrounding components to prevent interference during operation.
Run System: Start the machinery and monitor the coupling for any unusual vibrations or noise. Make any necessary adjustments if issues are detected.

Maintenance:

Maintaining a spider coupling is important to ensure its continued performance and prevent premature failure. Here are some maintenance tips:

Regular Inspection: Periodically inspect the spider coupling for signs of wear, damage, or deterioration. Look for cracks, tears, or other abnormalities in the elastomeric spider.
Clean Environment: Keep the coupling and surrounding area clean from dirt, debris, and contaminants that could impact its performance.
Lubrication: Spider couplings are self-lubricating due to the elastomeric material. Avoid using additional lubricants, as they can deteriorate the elastomeric properties.
Temperature Consideration: Be aware of the temperature range specified by the manufacturer for the elastomeric material. Extreme temperatures can affect the performance and lifespan of the coupling.
Replace Worn Parts: If the elastomeric spider shows signs of wear, replace it with a new one from the manufacturer. Do not continue using a worn or damaged spider.
Monitor Vibrations: Regularly monitor the machinery for unusual vibrations or noise, as these can indicate issues with the coupling. Address any problems promptly.
Follow Manufacturer Guidelines: Adhere to the manufacturer’s recommended maintenance schedule and guidelines for the specific spider coupling model.

Proper installation and regular maintenance contribute to the reliable and efficient operation of a spider coupling in machinery.

China Hot selling CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings
editor by CX 2023-08-31

China Hot selling CZPT Lmd CZPT Spider Middle Low Speed Transmission Single Flange Flexible Jaw Couplings

Product Description

LMD Single Flange Type Plum Elastic Coupling(GB/T 5272-2002)

Plum elastic coupling has the characteristics of vibration reduction, buffering, small radial size, no lubrication, and easy maintenance. Suitable for starting frequency, positive and negative rotation, medium and low speed, medium and small power transmission.Not suitable for heavy loads and frequent replacement of elastic elements.

The structure of plum elastic coupling is simple. But when the elastic element is replaced, the half coupling shall be moved axially.LMS type easily replaces the elastic element without having to move the half coupling.

Product Parameters

Type	Norminal torque(Tn/N·m)		Speed(Np)		Shaft hole diameter (d₁,d₂,d_z)	Length of the shaft hole			LO			D	D₁	Type of elastic parts	Mass			Rotary inertia
	The hardness of elastic parts		LM	LMD, LMS		Y type	J1,Z type	L (recommend)	LM	LMD	LMS		LMD, LMS		LM	LMD	LMS			LM	LMD	LMS
	a/HA	b/HD				L
	80+5	60+5	r·min^-1		Mm										kg				kg·m²
LM1 LMD1 LMS1	25	45	15300	8500	12,14	32	27	35	86	92	98	50	90	MT1-a -b	0.66	1.21	1.33			0.0002	0.0008	0.0013
					16,18,19	42	30
					20,22,24	52	38
					25	62	44
LM2 LMD2 LMS2	50	100	1200	7600	16,18,19	42	30	38	95	101.5	108	60	100	MT2-a -b	0.93	1.65	1.74			0.0004	0.0014	0.0571
					20,22,24	52	38
					25,28	62	44
					30	82	60
LM3 LMD3 LMS3	100	200	10900	6900	20,22,24	52	38	40	103	110	117	70	110	MT3-a -b	1.41	2.36	2.33			0.0009	0.0571	0.0034
					25,28	62	44
					30,32	82	60
LM4 LMD4 LMS4	140	280	9000	6200	22,24	52	38	45	114	122	130	85	125	MT4-a -b	2.18	3.56	3.38			0.002	0.005	0.0064
					25,28	62	44
					30,32,35,38	82	60
					40	112	84
LM5 LMD5 LMS5	350	400	7300	5000	25,28	62	44	50	127	138.5	150	105	150	MT5-a -b	3.60	6.36	6.07			0.005	0.0135	0.0175
					30,32,35,38	82	60
					40,42,45	112	84
LM6 LMD6 LMS6	400	710	6100	4100	30,32,35,38	82	60	55	143	155	167	185	185	MT6-a -b	6.07	10.77	10.47			0.0114	0.0329	0.0444
					40,42,45,48	112	84
LM7 LMD7 LMS7	630	1120	5300	3700	35,38	82	60	60	159	172	185	205	205	MT7-a -b	9.09	15.30	14.22			0.5712	0.0581	0.571
					40,42,45,48,50,55	112	84
LM8 LMD8 LMS8	1120	2240	4500	3100	45,48,50,55,56	112	84	70	181	195	209	170	240	MT8-a -b	13.56	22.72	21.16			0. 0571	0.1175	0.1493
					60,63,65	142	107
LM9 LMD9 LMS9	1800	3550	3800	2800	50,55,56*	112	84	80	208	224	240	200	270	MT9-a -b	21.40	34.44	30.70			0.1041	0.2333	0.2767
					60,63,65,70,71,75	142	107
					80	172	132
LM10 LMD10 LMS10	2800	5600	3300	2500	60,63,65*,70,71,75	142	107	90	230	248	268	230	305	MT10-a -b	32.03	51.36	44.55			0.2105	0.4594		0.5262
					80,85,90,95	172	132
					100	212	167
LM11 LMD11 LMS11	4500	9000	2900	2200	71,71,75*	142	107	100	260	284	308	260	350	MT11-a -b	49.52	81.30	70.72			0.4338	0.9777		1.1362
					80,85,90,95	172	132
					100,110,120	212	167
LM12 LMD12 LMS12	6300	12500	2500	1900	80,85,90*95	172	132	115	297	321	345	300	400	MT12-a -b	73.45	115.53	99.54			0.8205	1.751		1.9998
					100,110,120,125	212	167
					130,140,150	252	202
LM13 LMD13 LMS13	11200	2000	2100	1600	90,95	172	132	125	323	348	373	360	460	MT13-a -b	103.86	161.79	137.53			1.6718	3.667		3.6719
					100,110,120,125	212	167
					130,140,150	252	202
LM14 LMD14 LMS14	12500	25000	1900	1500	100,110,120,125	212	167	135	333	358	383	400	500	MT14-a -b	127.59	196.32	165.25			2.499	4.8669		5.1581
					130,140,150	252	202
					160	302	242

NOTE:
1. Mass and rotary inertia are the approximation calculated according to the recommended minimum axial hole.
2. Diameter of shaft hole with * can be used for Z – type shaft hole.
3. a.b is the code for 2 different materials and the hardness of elastic parts.

Company Profile

HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Our company supplies different kinds of products: high quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. To perfect our service, we provide good quality products at a reasonable price.
Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.

Our Services

1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning → Assembly → Packing → Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3: How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A: T/T.

♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

spider coupling

Are there any industry standards or guidelines for designing and using spider couplings?

AGMA 9002-B15: This American Gear Manufacturers Association (AGMA) standard provides guidelines for the selection and application of flexible couplings, including spider couplings. It covers topics such as coupling types, misalignment, torque capacity, and lubrication.
ISO 14691: This International Organization for Standardization (ISO) standard specifies methods for testing the torsional stiffness of flexible couplings, including spider couplings. It outlines procedures for determining the dynamic torsional stiffness and related parameters.
API 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings used in petroleum, chemical, and gas industry services. It covers design, manufacturing, inspection, and testing requirements for couplings, including those with elastomeric elements.

spider coupling

How do you diagnose and troubleshoot issues related to spider couplings in machinery systems?

Diagnosing and troubleshooting issues with spider couplings requires a systematic approach to identify the root cause of the problem and implement effective solutions. Here are the steps to diagnose and troubleshoot spider coupling-related issues:

Visual Inspection: Conduct a thorough visual inspection of the coupling, looking for visible signs of wear, damage, or misalignment. Check for cracks, tears, and irregularities in the elastomeric spider.
Vibration Analysis: Use vibration analysis tools to assess vibration levels during operation. Elevated vibration can indicate issues such as misalignment, wear, or unbalanced loads.
Performance Monitoring: Monitor the performance of connected machinery or equipment. If there’s a decrease in torque transmission, efficiency, or overall performance, it could be attributed to coupling problems.
Alignment Check: Ensure proper alignment between shafts connected by the coupling. Misalignment can cause uneven load distribution and lead to coupling wear.
Temperature Monitoring: Monitor the temperature of the coupling during operation. Abnormal temperature increases could point to excessive friction and wear.
Inspect Fasteners: Check for loose or worn-out fasteners such as bolts, nuts, and screws that secure the coupling components. Loose fasteners can contribute to misalignment and coupling issues.
Inspect Lubrication: Check the lubrication of the coupling components. Inadequate or degraded lubrication can lead to increased friction and wear.
Consider Environmental Factors: Evaluate the operating environment for factors such as temperature variations, humidity, and exposure to chemicals. Environmental conditions can affect coupling performance.
Review Maintenance Records: Review the maintenance history and records of the coupling and connected equipment. This can provide insights into past issues and potential causes.

Based on the diagnostic results, appropriate troubleshooting steps can be taken. These might include adjusting alignment, replacing damaged components, re-lubricating, or replacing the elastomeric spider. Regular maintenance and prompt troubleshooting are essential to ensure the reliable and efficient operation of machinery systems utilizing spider couplings.

spider coupling

What factors should be considered when selecting a spider coupling for a specific application?

Choosing the right spider coupling for a specific application requires careful consideration of various factors to ensure optimal performance and reliability. Here are the key factors to consider:

Torque Requirements: Determine the torque that the coupling needs to transmit between the shafts. Select a spider coupling that can handle the required torque without exceeding its limitations.
Misalignment Compensation: Assess the type and degree of misalignment that the coupling needs to accommodate. Different spider coupling designs offer varying levels of misalignment compensation.
Operating Conditions: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a spider coupling with elastomeric material that can withstand these conditions.
Shaft Diameters: Measure the diameters of the connected shafts. Ensure that the selected spider coupling matches the shaft sizes to achieve a secure and reliable fit.
Space Limitations: Evaluate the available space for installing the coupling. Choose a compact spider coupling design that fits within the available dimensions.
Shaft Speed: Determine the rotational speed of the shafts. Ensure that the selected spider coupling can handle the speed range without causing excessive wear or vibrations.
Vibration Dampening: If vibration reduction is a priority, select a spider coupling with elastomeric material that offers effective vibration dampening properties.
Electrical Isolation: In applications where electrical isolation is necessary, choose a spider coupling with electrically insulating properties to prevent current transmission between shafts.
Chemical Compatibility: If the machinery operates with specific chemicals or fluids, ensure that the elastomeric material of the coupling is compatible with these substances.
Cost Consideration: Evaluate the budget available for the coupling. Consider both the upfront cost and the potential savings from reduced maintenance and downtime.
Manufacturer Reputation: Choose spider couplings from reputable manufacturers known for producing high-quality and reliable products.
Application Type: Different industries and applications have unique requirements. Consider the specific demands of the application, such as pumps, compressors, conveyors, etc.

China Hot selling CZPT Lmd CZPT Spider Middle Low Speed Transmission Single Flange Flexible Jaw Couplings
editor by CX 2023-08-29

China manufacturer D20L25 Aluminum Plum Couplings Flexible Jaw Spider Shaft Coupler Motor Shaft Coupling

Product Description

D20L25 Aluminum plum couplings flexible jaw spider shaft coupler motor shaft coupling

diameter 20 length 30 High precision TPU plum flexible shaft couplings

Product Description

plum flower coupling D25L30

material	aluminum alloy	can do custom made
size	D25L30	D14 L22 D105 L140
prodcution time	1-5 days
type	clamp	can do top tight
structure	screw 95Amoderate colloidbody

Detailed Photos

Product Parameters

Packaging & Shipping

Company Profile

ZheJiang SAIR MECHANICAL XIHU (WEST LAKE) DIS. CO.,LTD

ZheJiang SAIR IMPORT&EXPORT TRADING CO.,LTD

ZheJiang Sair group has 2 subsidiaries, 1 is ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd, which is mainly responsible for the production, and the other 1 is ZheJiang SAIR IMPORT&EXPORT TRADING CO.,LTD., which functions as our platform of international business.

ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is 1 of the largest linear guide and ball screw manufacturer in China. With strong technical strength, advanced production equipments, and perfect after-sale services, our company is the leading precision machinery manufacturer, which have research and development, manufacturing, sales, service all in one. Our high-quality products are not only popular all over the country, but also exported to Europe, Americas, Southeast Asia, Africa etc. , totally more than 70 countries globally. Our products have good performance and are highly trusted and admired by all the domestic & overseas customers.

Our Advantages

We are factory, we produce & export linear guide, ball screw, and other CNC parts, please contact with me directly when you have any needs.

spider coupling

What are the common challenges associated with spider coupling misalignment and how can they be addressed?

Reduced Torque Transmission: Misalignment can decrease the effective torque transmitted between the shafts, leading to inefficiency and potential overload. Regularly check and align the shafts according to the manufacturer’s recommendations to ensure proper torque transmission.
Vibration and Noise: Misalignment can cause excessive vibrations and noise in the machinery. Implement precision alignment techniques during installation to minimize misalignment-induced vibrations and noise.
Increased Wear: Misalignment results in uneven loading on the elastomeric spider, causing premature wear and potential failure. Regularly inspect the coupling for signs of wear and replace the elastomeric spider if necessary. Address misalignment promptly to prevent excessive wear.
Heat Generation: Misalignment can generate heat due to friction between the elastomeric spider and the hubs. This can lead to accelerated wear and reduced coupling lifespan. Proper alignment helps minimize heat generation and associated issues.
Shaft Fatigue: Severe misalignment can induce shaft fatigue and stress concentrations, leading to shaft failure over time. Avoid excessive misalignment and ensure that the coupling is properly aligned during installation.
Reduced Service Life: Misalignment puts additional stress on the elastomeric spider, reducing its service life. Proper alignment and maintenance practices can extend the service life of the coupling.
Performance Variations: Misalignment can lead to variations in performance and inconsistent operation of the machinery. Regularly monitor the coupling’s performance and address any issues promptly to ensure consistent operation.

spider coupling

What are the best practices for ensuring proper lubrication of spider couplings?

Proper lubrication is essential for maintaining the performance and lifespan of spider couplings. Here are some best practices to ensure proper lubrication:

Use the Right Lubricant: Select a lubricant that is recommended by the coupling manufacturer. The lubricant should be compatible with the elastomeric spider material and the operating conditions of the machinery.
Follow Manufacturer’s Guidelines: Adhere to the lubrication schedule and guidelines provided by the manufacturer. They will specify the appropriate lubrication intervals and the quantity of lubricant to be applied.
Clean the Components: Before applying lubricant, make sure the coupling components are clean and free of dirt, debris, and old lubricant residues. Cleaning the components prevents contamination of the new lubricant.
Apply Lubricant Evenly: Apply the lubricant evenly on all contact surfaces of the elastomeric spider and the coupling hub. Avoid over-lubrication, which can lead to excess buildup and potential slippage.
Use Lubrication Tools: Some couplings may have lubrication ports or fittings that facilitate the application of lubricant. If such features are present, use the appropriate lubrication tools to ensure thorough coverage.
Operate Coupling After Lubrication: After applying lubricant, operate the coupling for a short period to ensure that the lubricant is evenly distributed across the contact surfaces. This helps in preventing dry spots and optimizing lubrication effectiveness.
Monitor Lubricant Condition: Regularly inspect the condition of the lubricant during routine maintenance checks. If you notice signs of contamination, degradation, or insufficient lubrication, take corrective actions promptly.
Consider Operating Conditions: Environmental factors such as temperature, humidity, and exposure to chemicals can affect the performance of lubricants. Choose a lubricant that can withstand the specific operating conditions of the machinery.
Document Lubrication Activities: Keep a record of lubrication activities, including the type of lubricant used, lubrication intervals, and the results of lubrication checks. This documentation helps track the history of lubrication and informs future maintenance decisions.

By following these best practices for lubrication, you can ensure that the elastomeric spider remains properly lubricated, reducing friction, wear, and the potential for premature coupling failure.

spider coupling

What factors should be considered when selecting a spider coupling for a specific application?

Choosing the right spider coupling for a specific application requires careful consideration of various factors to ensure optimal performance and reliability. Here are the key factors to consider:

Torque Requirements: Determine the torque that the coupling needs to transmit between the shafts. Select a spider coupling that can handle the required torque without exceeding its limitations.
Misalignment Compensation: Assess the type and degree of misalignment that the coupling needs to accommodate. Different spider coupling designs offer varying levels of misalignment compensation.
Operating Conditions: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a spider coupling with elastomeric material that can withstand these conditions.
Shaft Diameters: Measure the diameters of the connected shafts. Ensure that the selected spider coupling matches the shaft sizes to achieve a secure and reliable fit.
Space Limitations: Evaluate the available space for installing the coupling. Choose a compact spider coupling design that fits within the available dimensions.
Shaft Speed: Determine the rotational speed of the shafts. Ensure that the selected spider coupling can handle the speed range without causing excessive wear or vibrations.
Vibration Dampening: If vibration reduction is a priority, select a spider coupling with elastomeric material that offers effective vibration dampening properties.
Electrical Isolation: In applications where electrical isolation is necessary, choose a spider coupling with electrically insulating properties to prevent current transmission between shafts.
Chemical Compatibility: If the machinery operates with specific chemicals or fluids, ensure that the elastomeric material of the coupling is compatible with these substances.
Cost Consideration: Evaluate the budget available for the coupling. Consider both the upfront cost and the potential savings from reduced maintenance and downtime.
Manufacturer Reputation: Choose spider couplings from reputable manufacturers known for producing high-quality and reliable products.
Application Type: Different industries and applications have unique requirements. Consider the specific demands of the application, such as pumps, compressors, conveyors, etc.

China manufacturer D20L25 Aluminum Plum Couplings Flexible Jaw Spider Shaft Coupler Motor Shaft Coupling
editor by CX 2023-08-21

China manufacturer CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings

Product Description

DO NOT worry about PRICE, we are manufacturer.

DO NOT worry about QUALITY, we have 16 years experience.

DO NOT worry about AFTER-SALES, we are 24 hours online.

Features :

Suitable for a wide range of devices

CNC lathes Optical inspection equipment

Module slider Servo motor

Company Profile

Certifications

Packaging & Shipping

All products will be well packed with standard export wooden case or
cartons.

Shafts packed with paper tube or plastic bag;
Linear guideways or lead screwswrapped with film or plastic bag;

Guarantee well protected against dampness,moisture, rust and shock.

Our Advantages

FAQ

Q1: Do you have a catalogue? Can you send me the catalogue to have a check of all your products?

A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.

Q2: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products,but not all.So just let us know what product do you need.

Any requirements or question,Welcome to “Send” us an e-mail Now!
It’s our great honor to do services for you! You also can get the FREE SAMPLES soon.

spider coupling

What materials are typically used in manufacturing spider couplings and why?

Spider couplings are constructed using a combination of materials to achieve durability, flexibility, and efficient torque transmission. The choice of materials depends on factors such as application requirements, environmental conditions, and the desired balance between strength and flexibility. Common materials used in manufacturing spider couplings include:

Aluminum: Aluminum is lightweight and corrosion-resistant, making it suitable for applications where weight reduction is important. It offers good mechanical properties and can be used in various industries.
Steel: Steel provides excellent strength and durability. It’s often used in heavy-duty applications where high torque transmission is required. Surface treatments can enhance corrosion resistance.
Stainless Steel: Stainless steel offers corrosion resistance in aggressive environments. It’s commonly used in industries such as food processing, pharmaceuticals, and chemical processing.
Cast Iron: Cast iron is known for its high compressive strength and wear resistance. It’s suitable for applications requiring robust construction and can handle high torque loads.
Plastic/Polymer: Certain polymers and plastics, such as polyurethane or nylon, are used for the elastomeric spider element. These materials provide flexibility, vibration dampening, and misalignment compensation.

The choice of materials depends on the specific requirements of the application. For example, aluminum or stainless steel may be chosen for industries requiring corrosion resistance, while steel or cast iron may be selected for heavy-duty applications. The elastomeric spider is typically made from a durable polymer to ensure flexibility and effective torque transmission while accommodating misalignment. Overall, selecting the right materials ensures that spider couplings can withstand the demands of the intended application and provide reliable performance over their lifespan.

spider coupling

Are there any recent advancements or innovations in spider coupling technology?

Yes, there have been several recent advancements and innovations in spider coupling technology aimed at enhancing their performance, durability, and versatility. Some of the notable advancements include:

Advanced Materials: Manufacturers are using new elastomeric materials that offer improved resistance to wear, temperature fluctuations, and chemicals. These materials extend the lifespan of spider couplings and broaden their range of applications.
Enhanced Designs: Innovative design improvements are being made to optimize torque transmission, misalignment compensation, and vibration dampening. These designs aim to provide better coupling performance in various operating conditions.
Customization: Some manufacturers offer customizable spider couplings to match specific application requirements. This includes tailoring the coupling’s stiffness, torque capacity, and damping characteristics to suit different machinery and industries.
Smart Couplings: Integration of sensors and monitoring technology into spider couplings allows real-time data collection on factors such as temperature, vibration, and load distribution. This data helps in predictive maintenance and optimizing equipment performance.
Composite Couplings: Composite materials are being utilized in spider couplings to provide a balance between lightweight design, high strength, and corrosion resistance. These couplings find applications in industries where weight reduction and durability are critical.
Energy Efficiency: Some spider couplings are designed with energy efficiency in mind, aiming to reduce power losses due to damping while maintaining reliable torque transmission.

These advancements demonstrate the ongoing efforts to enhance spider coupling technology, making them more adaptable to modern machinery requirements. As technology continues to evolve, spider couplings are becoming increasingly sophisticated and capable of meeting the challenges posed by various industries and applications.

spider coupling

Can you explain the role of the elastomeric spider in a spider coupling’s function?

The elastomeric spider plays a critical role in the function of a spider coupling by providing flexibility, misalignment compensation, and vibration dampening. It is the central component that connects the two hubs of the coupling and transmits torque between the shafts. The elastomeric spider is typically made from a durable and resilient elastomer material, such as rubber or polyurethane. Here’s how the elastomeric spider contributes to the spider coupling’s operation:

Flexibility: The elastomeric material of the spider allows it to flex and deform as torque is transmitted between the shafts. This flexibility accommodates misalignment between the shafts, including angular, radial, and axial misalignment.
Misalignment Compensation: The spider coupling’s design incorporates the elastomeric spider’s ability to stretch and compress. This allows it to absorb and compensate for minor misalignments that can occur due to manufacturing tolerances, thermal expansion, or external forces.
Vibration Dampening: The elastomeric material of the spider acts as a cushion, absorbing and dampening vibrations that may be generated during operation. This reduces the transmission of vibrations from one shaft to another and contributes to smoother machinery performance.
Torque Transmission: As the shafts rotate and torque is applied to one hub of the coupling, the elastomeric spider deforms to transmit the torque to the other hub and, subsequently, to the second shaft. The spider’s ability to deform under load ensures efficient power transmission.
Resilience: Elastomeric spiders are designed to withstand repeated cycles of deformation and load. Their resilience allows them to maintain their original shape and performance over time, contributing to the longevity of the coupling.
Reduced Maintenance: The presence of the elastomeric spider reduces the need for constant alignment adjustments and maintenance, as it compensates for misalignments and dampens vibrations that can cause wear and tear.

Overall, the elastomeric spider’s ability to provide flexibility, misalignment compensation, vibration dampening, and efficient torque transmission makes it a crucial component in spider couplings, enhancing their performance and reliability in various industrial applications.

China manufacturer CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings
editor by CX 2023-08-09

China 3D printer Flexible Coupler types of shaft couplings 5825 mm 5X5 coupling capacitor

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Types of Coupling

A coupling is a device used to join two shafts together and transmit power. Its primary function is to join rotating equipment and allows for some end movement and misalignment. This article discusses different types of coupling, including Magnetic coupling and Shaft coupling. This article also includes information on Overload safety mechanical coupling.

Flexible beam coupling

Flexible beam couplings are universal joints that can deal with shafts that are offset or at an angle. They consist of a tube with couplings at both ends and a thin, flexible helix in the middle. This makes them suitable for use in a variety of applications, from motion control in robotics to attaching encoders to shafts.
These couplings are made of one-piece materials and are often made of stainless steel or aluminium alloy. However, they can also be made of acetal or titanium. While titanium and acetal are less common materials, they are still suitable for high-torque applications. For more information about beam couplings, contact CZPT Components.
Flexible beam couplings come in a variety of types and sizes. W series couplings are good for general purpose applications and are relatively economical. Stainless steel versions have increased torque capacity and torsional stiffness. Flexible beam couplings made of aluminum are ideal for servo and reverse motion. They are also available with metric dimensions.
Flexible beam couplings are made of aluminum alloy or stainless steel. Their patented slot pattern provides low bearing load and high torsional rigidity. They have a long operational life. They also require zero maintenance and can handle angular offset. Their advantages outweigh the disadvantages of traditional beam couplings.

Magnetic coupling

Magnetic coupling transfers torque from one shaft to another using a magnetic field. These couplings can be used on various types of machinery. These types of transmissions are very useful in many situations, especially when you need to move large amounts of weight. The magnetic field is also very effective at reducing friction between the two shafts, which can be extremely helpful if you’re moving heavy items or machinery.
Different magnetic couplings can transmit forces either linearly or rotated. Different magnetic couplings have different topologies and can be made to transmit force in various geometric configurations. Some of these types of couplings are based on different types of materials. For example, a ceramic magnetic material can be used for applications requiring high temperature resistance.
Hybrid couplings are also available. They have a hybrid design, which allows them to operate in either an asynchronous or synchronous mode. Hysterloy is an alloy that is easily magnetized and is used in synchronous couplings. A synchronous magnetic coupling produces a coupled magnetic circuit.
Magnetic coupling is a key factor in many physical processes. In a crystal, molecules exhibit different magnetic properties, depending on their atomic configuration. Consequently, different configurations produce different amounts of magnetic coupling. The type of magnetic coupling a molecule exhibits depends on the exchange parameter Kij. This exchange parameter is calculated by using quantum chemical methods.
Magnetic couplings are most commonly used in fluid transfer pump applications, where the drive shaft is hermetically separated from the fluid. Magnetic couplings also help prevent the transmission of vibration and axial or radial loads through the drive shaft. Moreover, they don’t require external power sources, since they use permanent magnets.

Shaft coupling

A shaft coupling is a mechanical device that connects two shafts. The coupling is designed to transmit full power from one shaft to the other, while keeping the shafts in perfect alignment. It should also reduce transmission of shock loads. Ideally, the coupling should be easy to connect and maintain alignment. It should also be free of projecting parts.
The shaft couplings that are used in machines are typically made of two types: universal coupling and CZPT coupling. CZPT couplings are designed to correct for lateral misalignment and are composed of two flanges with tongues and slots. They are usually fitted with pins. The T1 tongue is fitted into flange A, while the T2 tongue fits into flange B.
Another type of shaft coupling is known as a “sliced” coupling. This type of coupling compensates for inevitable shaft misalignments and provides high torque. Machined slits in the coupling’s outer shell help it achieve high torsional stiffness and excellent flexibility. The design allows for varying engagement angles, making it ideal for many different applications.
A shaft coupling is an important component of any machine. Proper alignment of the two shafts is vital to avoid machine breakdowns. If the shafts are misaligned, extra force can be placed on other parts of the machine, causing vibration, noise, and damage to the components. A good coupling should be easy to connect and should ensure precise alignment of the shaft. Ideally, it should also have no projecting parts.
Shaft couplings are designed to tolerate a certain amount of backlash, but it must be within a system’s threshold. Any angular movement of the shaft beyond this angle is considered excessive backlash. Excessive backlash results in excessive wear, stress, and breakage, and may also cause inaccurate alignment readings. It is therefore imperative to reduce backlash before the shaft alignment process.
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Overload safety mechanical coupling

Overload safety mechanical couplings are devices that automatically disengage when the torque applied to them exceeds a specified limit. They are an efficient way to protect machinery and reduce the downtime associated with repairing damaged machinery. The advantage of overload couplings is their fast reaction time and ease of installation.
Overload safety mechanical couplings can be used in a wide range of applications. Their automatic coupling mechanisms can be used on any face or edge. In addition, they can be genderless, incorporating both male and female coupling features into a single mechanism. This means that they are both safe and gender-neutral.
Overload safety couplings protect rotating power transmission components from overloads. Overload protection devices are installed on electric motors to cut off power if the current exceeds a certain limit. Likewise, fluid couplings in conveyors are equipped with melting plug elements that allow the fluid to escape when the system becomes too hot. Mechanical force transmission devices, such as shear bolts, are designed with overload protection in mind.
A common design of an overload safety mechanical coupling consists of two or more arms and hubs separated by a plastic spider. Each coupling body has a set torque threshold. Exceeding this threshold may damage the spider or damage the jaws. In addition, the spider tends to dampen vibration and absorb axial extension. This coupling style is nearly backlash free, electrically isolating, and can tolerate very little parallel misalignment.
A mechanical coupling may also be a universal joint or jaw-clutch coupling. Its basic function is to connect the driver and driven shafts, and limits torque transfer. These devices are typically used in heavy-duty industries, such as steel plants and rolling mills. They also work well with industrial conveyor systems.
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CZPT Pulley

The CZPT Pulley coupling family offers a comprehensive range of couplings for motors of all types. Not only does this range include standard motor couplings, but also servo couplings, which require ultra-precise control. CZPT Pulley couplings are also suitable for engine applications where high shocks and vibrations are encountered.
CZPT Pulley couplings have a “sliced” body structure, which allows for excellent torsional stiffness and strength. They are corrosion-resistant and can withstand high rotational speeds. The couplings’ design also ensures accurate shaft rotation while limiting shaft misalignment.
CZPT Pulley has introduced the CPU Pin Type couplings, which are effective at damping vibration and maintain zero backlash. They are also made from aluminum and are capable of absorbing heat. They come with recessed tightening screws. They can handle speeds up to 4,000 RPM, and are RoHS-compliant.
China 3D printer Flexible Coupler types of shaft couplings 5825 mm 5X5 coupling capacitor
editor by CX 2023-06-30

China Flexible 4000r/M Woodon China Types of Motor Couplings Quick Shaft Coupling with High Quality coupling assembly

Merchandise Description

Product Title	Cardan Shaft
Product Model	SWC-I75A-335+40
Main Substance	35CrMo or forty five# Metal
Nominal Torque	500 N.M
Normal Length	335 mm
Length Payment	40 mm

US $8
/ Piece
| 1 Piece

(Min. Order)

###

Standard Or Nonstandard:	Nonstandard
Shaft Hole:	19-32
Torque:	>80N.M
Bore Diameter:	19mm
Speed:	4000r/M
Structure:	Flexible

###

Samples:	US$ 10/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product Name	Cardan Shaft
Product Model	SWC-I75A-335+40
Main Material	35CrMo or 45# Steel
Nominal Torque	500 N.M
Normal Length	335 mm
Length Compensation	40 mm

US $8
/ Piece
| 1 Piece

(Min. Order)

###

Standard Or Nonstandard:	Nonstandard
Shaft Hole:	19-32
Torque:	>80N.M
Bore Diameter:	19mm
Speed:	4000r/M
Structure:	Flexible

###

Samples:	US$ 10/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product Name	Cardan Shaft
Product Model	SWC-I75A-335+40
Main Material	35CrMo or 45# Steel
Nominal Torque	500 N.M
Normal Length	335 mm
Length Compensation	40 mm

Programming With Couplings

A coupling is a mechanical device that connects two shafts together and transmits power. Its purpose is to join rotating equipment and allows some degree of end-movement or misalignment. There are many different types of couplings. It’s important to choose the right one for your application.
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Mechanical connection between two shafts

There are many ways to achieve mechanical connection between two shafts, including the use of a coupling. One common type is the beam coupling, which is also known as a helical coupling. It is used for transmission of torque between two shafts. This type of connection accommodates axial, parallel and angular misalignments.
The hubs and shafts of a worm gear are connected together by a coupling. This mechanical connection allows one shaft to turn another without causing a mechanical failure. This type of coupling is made from sliding or rubbing parts to transfer torque. However, the coupling is not designed to withstand jerks, so it isn’t suitable for high-speed applications.
The use of a coupling is common in machinery and equipment. It helps transmit power from one drive shaft to the other, while adding mechanical flexibility. It is also useful for reducing the impact and vibration caused by misalignment. It also protects the drive shaft components from wear and tear.
A double-hook coupling can be used to provide a uniform angular velocity at the driven shaft. Another example is a double-jointed coupling. A double-jointed coupling can be used to connect shafts that are not directly intersecting. The double-jointed yoke can be used for the same purpose.
A shaft coupling is a device that maintains a strong mechanical connection between two shafts. It transfers motion from one shaft to another, at all loads and misalignments. Unlike a conventional linkage, a shaft coupling isn’t designed to allow relative motion between the two shafts. Couplings often serve several purposes in a machine, but their primary use is torque and power transmission.

Functions that control the flow of another function

One of the simplest programming constructs is a function that controls the flow of another function. A function can take an argument and return a different value, but it must be ready to return before it can pass that value to another function. To do this, you can use the goto statement and the if statement. Another way to control flow is to use a conditional statement.
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Criteria for selecting a coupling

There are several important factors to consider when choosing the right coupling. One of the most important factors is coupling stiffness, which depends on the material used and the shape. The stiffness of a coupling determines its ability to resist elastic deformation. A stiff coupling is desirable for certain types of applications, but it’s undesirable for others. Stiffness can reduce the performance of a system if there’s too much inertia. To avoid this, ensure that the coupling you choose is within the recommended limits.
The size of a coupling is also important. Different coupling types can accommodate different shaft sizes and shapes. Some couplings have special features, such as braking and shear pin protection. When choosing a coupling, you should also consider the type of driven equipment. If you need to connect a high-torque motor, for example, you’ll want to choose a gear coupling. Likewise, a high-speed machine may require a disc coupling.
Another factor to consider when selecting a coupling is the torque rating. Despite its importance, it’s often underestimated. The torque rating is defined as the torque of the coupling divided by its OD. In some cases, torque may fluctuate during a cycle, requiring a coupling with a higher torque rating.
Torsionally flexible couplings are also important to consider. Their design should be able to withstand the torque required during operation, as well as the required speed. The coupling should also have a high degree of torsional stiffness, as well as damping. Furthermore, a damping coupling can reduce the energy wasted through vibration.
The sizing of a coupling is also determined by the torque. Many engineers use torque to select the correct coupling size, but they also take into consideration torsional flexibility and torsional stiffness. For example, a shaft may be able to handle large torque without damaging the coupling, while a disk may be unable to handle large amounts of torque.
Besides torque, another important consideration in coupling selection is the cost. While a coupling may be cheaper, it may be less reliable or easier to maintain. Couplings that are difficult to service may not last as long. They may also require frequent maintenance. If that’s the case, consider purchasing a coupling with a low service factor.
There are many different types of couplings. Some require additional lubrication throughout their lifetime, while others are 100% lubrication-free. An example of a 100% lubrication-free coupling is the RBI flexible coupling from CZPT. This type of coupling can significantly reduce your total cost of ownership.
In addition to the above-mentioned benefits, elastomeric couplings are low-cost and need little maintenance. While they are often cheaper than metallic couplings, they also have excellent shock absorption and vibration dampening properties. However, they are susceptible to high temperatures. Also, they are difficult to balance as an assembly, and have limited overload torque capacity.
China Flexible 4000r/M Woodon China Types of Motor Couplings Quick Shaft Coupling with High Quality coupling assembly
editor by czh 2023-01-12