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CouplingIt is a mechanical element that connects the drive shaft and the driven shaft of the mechanical system, and is used to transmit power. It is used by almost all manufacturing machinery.Its basic function is to absorb the eccentricity, deflection angle and axial displacement errors of the two shafts, and to transmit power smoothly.
According to the purpose of use, there are many types of couplings.Due to the rapid development of servo motors in recent years, the need to adapt to high-speed and high-precision control has been increasingly emphasized.Especially representative in motion control.The couplings used in high-performance mechanical devices are mainly metal couplings, such as metal leaf spring type (also known as metal diaphragm type, hereafter referred to as metal leaf spring type) and coil spring type.Since the hysteresis loss and backlash of the coupling have a great influence on the responsiveness and positioning accuracy of the mechanical system, great attention must be paid to it in use.
Proximal couplings are increasingly used in machine tools and semiconductor manufacturing machinery that are controlled by servo systems.In these fields, unlike general manufacturing machinery, its output is required to have a high degree of followability with respect to its input.