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Several common couplings
Couplings are also called couplings.A mechanical component used to firmly connect the driving shaft and the driven shaft in different mechanisms to rotate together and transmit motion and torque.Sometimes it is also used to connect shafts and other parts (such as gears, pulleys, etc.).It is often composed of two halves, which are connected by keys or tight fits, respectively, and fastened to the ends of the two shafts, and then the two halves are connected in some way.The coupling can also compensate for the deviation between the two shafts due to inaccurate manufacturing and installation, deformation or thermal expansion during work, etc. (including axial deviation, radial deviation, angular deviation or comprehensive deviation) ; And alleviate impact and absorb vibration.
Usually the following categories are more common:
1. Nylon elastic coupling: Two C45 steel circular arc gears and a nylon rubber ring are combined into one body, so that the connection part can achieve the effect of "soft connection".Often used in equipment such as oil pumps or motors;
2. Diaphragm coupling: several groups of diaphragms (stainless steel sheet) are alternately connected to the two halves of the coupling with bolts. Each group of diaphragms is composed of several
The diaphragm is divided into a connecting rod type and a whole piece type of different shapes.The diaphragm coupling can compensate for the axial, radial and angular deviations between the driving machine and the driven machine due to manufacturing errors, installation errors, load-bearing deformations and the effects of temperature rise changes.Commonly used in mechanical equipment such as servo motors, encoders, planetary reducers, ball screws, compressors, mixers, paper machinery, robots, etc.
3. Water pump coupling: It is composed of two cast iron claws and a natural rubber inner ring, which can be used for water pump equipment;
4. Chain coupling: It is composed of a 40Mn double-row chain, two C45 steel sprockets and an aluminum alloy shell. It has a simple structure (composed of four pieces), easy assembly and disassembly, and no need to move the connected two shafts during disassembly. Dimensions It has the advantages of compactness, light weight, certain compensation ability, low requirements for installation accuracy, reliable work, long life, and low cost.Commonly used in the shaft transmission of textile, agricultural machinery, lifting and transportation, engineering, mining, light industry, chemical and other machinery.
5. Plum blossom coupling: It is composed of two sintered alloy or aluminum alloy protruding claws and a rubber pad. It has a simple structure and can effectively reduce vibration and impact during operation.Commonly used in metallurgy, mining, petroleum, chemical industry, lifting, transportation, light industry, textile, fan, etc.
Usually the following categories are more common:
1. Nylon elastic coupling: Two C45 steel circular arc gears and a nylon rubber ring are combined into one body, so that the connection part can achieve the effect of "soft connection".Often used in equipment such as oil pumps or motors;
2. Diaphragm coupling: several groups of diaphragms (stainless steel sheet) are alternately connected to the two halves of the coupling with bolts. Each group of diaphragms is composed of several
The diaphragm is divided into a connecting rod type and a whole piece type of different shapes.The diaphragm coupling can compensate for the axial, radial and angular deviations between the driving machine and the driven machine due to manufacturing errors, installation errors, load-bearing deformations and the effects of temperature rise changes.Commonly used in mechanical equipment such as servo motors, encoders, planetary reducers, ball screws, compressors, mixers, paper machinery, robots, etc.
3. Water pump coupling: It is composed of two cast iron claws and a natural rubber inner ring, which can be used for water pump equipment;
4. Chain coupling: It is composed of a 40Mn double-row chain, two C45 steel sprockets and an aluminum alloy shell. It has a simple structure (composed of four pieces), easy assembly and disassembly, and no need to move the connected two shafts during disassembly. Dimensions It has the advantages of compactness, light weight, certain compensation ability, low requirements for installation accuracy, reliable work, long life, and low cost.Commonly used in the shaft transmission of textile, agricultural machinery, lifting and transportation, engineering, mining, light industry, chemical and other machinery.
5. Plum blossom coupling: It is composed of two sintered alloy or aluminum alloy protruding claws and a rubber pad. It has a simple structure and can effectively reduce vibration and impact during operation.Commonly used in metallurgy, mining, petroleum, chemical industry, lifting, transportation, light industry, textile, fan, etc.
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