Product Description
Product Description
QZM-82 CNC machining small parts
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 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
CNC machining prototype design rapid prototyping
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 |
| Note | The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment |
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.
What are the symptoms of spider coupling wear or deterioration, and how can they be identified?
Spider couplings, like other mechanical components, can experience wear and deterioration over time due to factors such as torque, misalignment, and environmental conditions. Identifying the symptoms of wear is crucial for maintaining coupling performance and preventing unexpected failures. Here are some common symptoms of spider coupling wear and deterioration:
- Vibration and Noise: Increased vibration or unusual noise during operation can indicate wear in the spider coupling. Excessive wear can lead to reduced dampening of vibrations and increased noise levels.
- Reduced Torque Transmission: If the coupling is no longer transmitting torque efficiently, it may indicate wear or damage to the elastomeric spider. Reduced torque transmission can result in decreased equipment performance.
- Visible Cracks or Tears: Inspect the elastomeric spider for visible cracks, tears, or signs of deformation. These issues can lead to uneven load distribution and compromised coupling function.
- Uneven Shaft Movement: Misalignment caused by wear can lead to uneven movement of connected shafts. This can be observed through irregular motion or wobbling during operation.
- Increased Heat Generation: If the coupling is generating more heat than usual, it may indicate excessive friction due to wear. Overheating can accelerate wear and affect coupling performance.
- Irregular Performance: If machinery or equipment connected by the coupling experiences irregular or unpredictable behavior, it could be a sign of coupling wear affecting torque transmission.
To identify these symptoms, regular visual inspections, vibration analysis, and performance monitoring are recommended. If any of these symptoms are observed, it’s advisable to replace the worn or damaged spider coupling with a new one. Routine maintenance and timely replacement can help ensure the continued reliability and performance of spider couplings in mechanical systems.
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.
editor by CX 2023-08-18
China Professional Costomized Flexible Shaft Bellow Coupling Aluminum Stainless Steel coupling and types of coupling
Product Description
Oldham Type Coupling Cross Sliding Clamp Coupling
Feature
>High torque rigidity and high sensitivity
>Large radial angular deviation is allowed
>Zero backlash
>Fastening method of clamping screw
Packaging & Delivery
| Port: | HangZhou/ZheJiang or as request |
———————————————————————————————————————————————————————————————————————————————–
Bellows couplings are especially suitable for direct connection between 2 coaxial shafts. The metal bellows defines the characteristics of the coupling and compensates lateral, axial and angular shaft misalignment with low restoring forces. Backlash-free, torsionally rigid metal bellows guarantee precise positioning of the driven load and can be used in highly dynamic cyclic duty applications, as well as at high rotational speeds – up to 120,000 rpm depending on the model.
About CZPT since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.
| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | 19-32 |
| Torque: | >80N.M |
| Bore Diameter: | 14mm |
| Speed: | 9000r/M |
| Structure: | Flexible |
| Customization: |
Available
| Customized Request |
|---|
What Is a Coupling?
A coupling is a device that connects two shafts together. It transmits power from one to the other and is used to join rotating equipment. It can also allow for some degree of misalignment and end movement. It is used in mechanical engineering and manufacturing. To learn more about couplings, read this article.
Mechanical connection between two objectsThe present invention relates to a method and assembly for forming a mechanical connection between two objects. The methods of this invention are suitable for connecting both solid and hollow objects. For example, the method can be used to make mechanical connections between two cylinders. This method is particularly useful for connecting two cylinders that are positioned near each other.
Absorbs vibration
A coupling insert is a part of a vehicle’s drivetrain that absorbs vibrations. These inserts are designed to prevent couplings from moving out of phase. However, the coupling inserts themselves can wear out and need to be replaced. Universal joints are an alternative if the coupling is out of phase by more than one degree. In addition, internal bearings in the coupling need to be lubricated and replaced when they begin to show signs of wear.
Another embodiment of the invention includes a flexible coupling 25 that includes rearwardly-extending lugs that extend toward the coupling member 23. These lugs interdigitate with corresponding lugs on the coupling member 23. They are spaced circumferentially. A first elastic member 28 is interposed between lugs 26 and 27, and is adapted to yield in a counterclockwise direction. As a result, it absorbs torsional vibrations.
Blocks heat transfer
Thermal coupling occurs when a solid block is thermally coupled to the air or fluid passing through it. The amount of heat transferred through a solid block depends on the heat transfer coefficients of the materials. This paper presents a numerical model to understand how heat transfers through different block materials. This work also describes the thermal resistance network for a one-dimensional block.
In some cases, thermal coupling increases the heat transfer mechanism. As illustrated in FIG. 1D, a heatpipe coupler 112 couples two heatpipes 110-1 and 110-2. This configuration allows the pipes to be coupled to the heat source and to the condenser. In addition, the heat pipe couplers may have bellows at the ends to help facilitate linear motion.
Thermal coupling is achieved by ensuring that at least one block is made of a material with a lower thermal expansion coefficient than the annulus. Ideally, the block’s mean thermal expansion coefficient is at least twenty percent lower than the annulus’s mean thermal expansion coefficient. This ensures that the thermal coupling between the two parts is as efficient as possible.
Another type of thermal coupling is achieved by using flexible elements. These are often washers or springs. These components allow the blocks to maintain physical contact with the post 55, which means that the heat transfer is more efficient even at higher temperatures. The flexibility of these elements also makes it possible to choose an element that will not impede assembly.
Protects rotating equipment
A reliable, long-lasting coupling system can reduce the risk of damage to rotating equipment. Designed to protect against torque overload and wear, Voith torque-limiting couplings provide outstanding safety and reliability. As a result, they can deliver maximum performance and minimize equipment downtime. In addition to their long-term benefits, these solutions are ideal for applications where safety and reliability are of paramount importance.
A good coupling provides many advantages, including the ability to transmit power, compensate for axial movement, and absorb shock. It is essential to choose the proper coupling for your application based on the basic conditions of your rotating equipment. For example, if you have two shafts with parallel rotation axes, you should choose a parallel coupling. Otherwise, you should use an angular coupling.
Torque-limiting couplings can also provide protection for rotating equipment by disengaging at a specific torque level. This protects the drive shaft from undergoing catastrophic failure. Torque limiters are particularly helpful for high-value equipment. By preventing catastrophic failure, you can avoid expensive repairs and minimize equipment downtime.
Coupling guards are easy to install and provide effective protection for rotating equipment. These covers are made of sheet metal bent to fit over the shaft. They are durable and easy to remove when necessary. This type of guard can prevent employees from catching their hands, tools, or loose clothing on motor coupling components.
editor by CX 2023-06-01
China Sg7-6 Series CNC High Rigid Spring Coupling Shaft Stainless Steel Bellow Flexible Coupling coupling assembly
Solution Description
| Item No. | φD | L | L1 | L2 | M | Tighten the strength(N.m) |
| SG7-6-40- | forty | fifty five | 19 | 24 | M3 | three |
| SG7-6-55- | fifty five | 65 | 22 | 31 | M4 | 6 |
| SG7-6-sixty five- | sixty five | 76 | 27 | 37 | M5 | eight |
| SG7-6-82- | eighty two | 88 | 32 | forty one | M6 | ten |
| SG7-6-ninety- | 90 | 88 | 32 | forty one | M6 | 12 |
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| Item No. | Rated torque | Greatest Torque | Max Speed | Inertia Moment | N.m rad | RRO | Tilting Tolerance | End-engage in | Bodyweight:(g) |
| SG7-6-forty- | 13N.m | 26N.m | 8000prm | 9×10-5kg.m² | 15×103N.m/rad | .15mm | 2c | 1mm | 231 |
| SG7-6-55- | 28N.m | 56N.m | 6000prm | 2.9×10-4kg.m² | 28×103N.m/rad | .2mm | 2c | 1.5mm | 485 |
| SG7-6-65- | 60N.m | 120N.m | 5000prm | four.6×10-4kg.m² | 55×103N.m/rad | .25mm | 2c | 1.5mm | 787 |
| SG7-6-eighty two- | 150N.m | 300N.m | 4500prm | 1.1×10-3kg.m² | 110×103N.m/rad | .28mm | 2c | 1.5mm | 1512 |
| SG7-6-ninety- | 200N.m | 400N.m | 4000prm | 2×10-3kg.m² | 140×103N.m/rad | .3mm | 2c | one.5mm | 1800 |
|
US $30-52 / Piece | |
5 Pieces (Min. Order) |
###
| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | Customized |
| Torque: | 13-200n.M |
| Bore Diameter: | Customized |
| Speed: | 8000-4000rpm |
| Structure: | Flexible |
###
| Item No. | φD | L | L1 | L2 | M | Tighten the strength(N.m) |
| SG7-6-40- | 40 | 55 | 19 | 24 | M3 | 3 |
| SG7-6-55- | 55 | 65 | 22 | 31 | M4 | 6 |
| SG7-6-65- | 65 | 76 | 27 | 37 | M5 | 8 |
| SG7-6-82- | 82 | 88 | 32 | 41 | M6 | 10 |
| SG7-6-90- | 90 | 88 | 32 | 41 | M6 | 12 |
###
| Item No. | Rated torque | Maximum Torque | Max Speed | Inertia Moment | N.m rad | RRO | Tilting Tolerance | End-play | Weight:(g) |
| SG7-6-40- | 13N.m | 26N.m | 8000prm | 9×10-5kg.m² | 15×103N.m/rad | 0.15mm | 2c | 1mm | 231 |
| SG7-6-55- | 28N.m | 56N.m | 6000prm | 2.9×10-4kg.m² | 28×103N.m/rad | 0.2mm | 2c | 1.5mm | 485 |
| SG7-6-65- | 60N.m | 120N.m | 5000prm | 4.6×10-4kg.m² | 55×103N.m/rad | 0.25mm | 2c | 1.5mm | 787 |
| SG7-6-82- | 150N.m | 300N.m | 4500prm | 1.1×10-3kg.m² | 110×103N.m/rad | 0.28mm | 2c | 1.5mm | 1512 |
| SG7-6-90- | 200N.m | 400N.m | 4000prm | 2×10-3kg.m² | 140×103N.m/rad | 0.3mm | 2c | 1.5mm | 1800 |
|
US $30-52 / Piece | |
5 Pieces (Min. Order) |
###
| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | Customized |
| Torque: | 13-200n.M |
| Bore Diameter: | Customized |
| Speed: | 8000-4000rpm |
| Structure: | Flexible |
###
| Item No. | φD | L | L1 | L2 | M | Tighten the strength(N.m) |
| SG7-6-40- | 40 | 55 | 19 | 24 | M3 | 3 |
| SG7-6-55- | 55 | 65 | 22 | 31 | M4 | 6 |
| SG7-6-65- | 65 | 76 | 27 | 37 | M5 | 8 |
| SG7-6-82- | 82 | 88 | 32 | 41 | M6 | 10 |
| SG7-6-90- | 90 | 88 | 32 | 41 | M6 | 12 |
###
| Item No. | Rated torque | Maximum Torque | Max Speed | Inertia Moment | N.m rad | RRO | Tilting Tolerance | End-play | Weight:(g) |
| SG7-6-40- | 13N.m | 26N.m | 8000prm | 9×10-5kg.m² | 15×103N.m/rad | 0.15mm | 2c | 1mm | 231 |
| SG7-6-55- | 28N.m | 56N.m | 6000prm | 2.9×10-4kg.m² | 28×103N.m/rad | 0.2mm | 2c | 1.5mm | 485 |
| SG7-6-65- | 60N.m | 120N.m | 5000prm | 4.6×10-4kg.m² | 55×103N.m/rad | 0.25mm | 2c | 1.5mm | 787 |
| SG7-6-82- | 150N.m | 300N.m | 4500prm | 1.1×10-3kg.m² | 110×103N.m/rad | 0.28mm | 2c | 1.5mm | 1512 |
| SG7-6-90- | 200N.m | 400N.m | 4000prm | 2×10-3kg.m² | 140×103N.m/rad | 0.3mm | 2c | 1.5mm | 1800 |
What Is a Coupling?
A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.
Types
Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.
Applications
The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.
Problems
A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
editor by czh 2023-01-15