The diaphragm of the diaphragm coupling is fastened to the shaft sleeve with a pin. Generally, it will not loosen or cause backlash between the diaphragm and the shaft sleeve. This characteristic is a bit like a bellows coupling. In fact, the coupling transmits The way of torque is similar.The diaphragm itself is very thin, so it is easy to bend when the relative displacement load is generated, so it can withstand up to 1.5 degrees of deviation, while generating a lower bearing load in the servo system.The diaphragm coupling can be adapted to work in high temperature (-80+300) and harsh environments, and can move under shock and vibration conditions.

　　Diaphragm coupling mother body manufacturing.The choice of the matrix material of the diaphragm coupling is very important. Generally, the 45# or 40CR forging material should be selected and the rough machining should be carried out after normalizing treatment. After the rough machining, the quenching and tempering treatment should be carried out to ensure the overall coupling material The mechanical performance reaches its performance state. After quenching and tempering, the finishing process is performed. After finishing, the mechanical dynamic balance test is required. The very important diaphragm coupling must be nitridated to ensure the transmission strength of the coupling body.

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