Keyway coupling, clamping, torque transmission and displacement compensation
Structural features
Keyway design: A keyway is machined on the hub of the coupling to cooperate with the key on the shaft to achieve circumferential fixation between the shaft and the coupling, ensure the accuracy and reliability of power transmission, and prevent relative rotation between the two during operation.
Screw clamping separation structure: It consists of two half Couplings and clamping screws. This separation structure makes installation and disassembly more convenient. The coupling can be directly separated or installed from the shaft without moving other parts on the shaft, which is conducive to equipment maintenance and repair. By tightening the clamping screw, sufficient clamping force can be generated to make the two half couplings tightly combined, ensuring the tightness of the connection and effectively transmitting torque.
Performance characteristics
High torque transmission capacity: It can withstand large torque and meet the transmission requirements of different power equipment. Its torque transmission capacity is related to the specifications, materials and design structure of the coupling. Users can choose the appropriate model according to the specific equipment requirements.
Good shock-absorbing performance: The plum blossom elastomer in the middle is generally made of elastic materials such as polyurethane plastic, which has good elasticity and flexibility, can effectively absorb vibration and impact, reduce vibration and noise during equipment operation, and improve the stability and service life of the equipment. It is especially suitable for working conditions with vibration and impact.
Axial, radial and angular compensation capabilities: To a certain extent, it can compensate for a small amount of axial displacement, radial displacement and angular deviation between shafts, buffer and compensate for installation errors or slight displacements during equipment operation, reduce adverse effects on equipment, and ensure smooth operation of the transmission system.
High concentricity and balance performance: After precision processing and strict quality control, the product is ensured to have high concentricity and good balance performance, which helps to reduce the vibration and noise of the equipment during high-speed rotation, further improve the stability and reliability of the equipment, and extend the service life of the equipment.
Material selection
Hub material: Common ones include aluminum alloy, carbon steel and stainless steel. Aluminum alloy has the advantages of light weight, high strength and corrosion resistance, and is suitable for occasions with weight requirements; carbon steel has high strength, good toughness and relatively low price, and is widely used in transmission systems under general working conditions; stainless steel has excellent corrosion resistance and is suitable for corrosive environments such as moisture, acid and alkali
Elastomer material: usually polyurethane plastic, which has the characteristics of wear resistance, oil resistance, aging resistance, good elasticity, etc., can maintain stable performance in a wide temperature range, effectively transmit torque and absorb vibration
Application Areas
Mechanical processing equipment: such as CNC machine tools, milling machines, drilling machines, etc., used to connect motors with spindles, screws and other components to achieve precise power transmission and ensure processing accuracy
Automated production line: widely used in conveyors, conveyor belts, indexing plates and other equipment to ensure stable operation and precise control of the production line, improve production efficiency and product quality
Packaging machinery: such as filling machines, labeling machines, packaging machines, etc., which can ensure the accuracy and efficiency of the packaging process and adapt to different packaging speeds and load requirements
Printing machinery: It plays an important role in the connection between the rollers, gear boxes and other parts of the printing press, which can effectively reduce vibration and noise and ensure the stability and consistency of printing quality.
Textile machinery: used to connect rollers, spindles and other parts in textile equipment to meet the working requirements of high-speed rotation and frequent start and stop, and improve the efficiency and quality of textile production.
Food machinery: Due to its hygienic and corrosion-resistant properties, it is suitable for connecting agitators, conveyors and other components in food processing equipment, and meets the hygienic standards and production requirements of the food industry.
Selection considerations
Determine the torque requirement: Select the appropriate coupling according to the actual working torque of the equipment. Generally, the rated torque of the coupling is required to be greater than the maximum working torque of the equipment to ensure safe and reliable operation.
Consider the speed range: Couplings of different specifications and models have their corresponding maximum speed limits. You need to choose the appropriate product according to the motor speed of the equipment to avoid damage to the coupling due to excessive speed.