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　　When the shaft diameter of the Z7A lock coupling disc is the first requirement of the design, select the lock disc in this product catalog according to the shaft diameter (dw) selected by the design, and check whether the corresponding maximum transmission torque (Mt) is Can meet the needs of torque....

　　The Z7B expansion coupling sleeve is a keyless coupling device between the shaft and the sleeve. This device can apply a clamping force to the sleeve from the outside to form a mechanical compression fit between the shaft and the sleeve and transmit torque. The expansion sleeve itself does not transmit any torque and load...