Material selection and installation application of diaphragm coupling

The diaphragm coupling's shock absorbing sleeve is made of 45 steel, which mainly protects the bolt from torsion and reduces vibration. After the diaphragm group is stamped out of shape, the compression anchor is generally operated on the punching machine, so the pressure of the punching machine can not be adjusted too high, so as to avoid torsion deformation during operation.

The diaphragm in the middle of the diaphragm coupling is made of high grade stainless steel (AISI-304), which ensures that the diaphragm is not only strong, long life and durable, but also suitable for most working conditions. At the same time, the surface of the diaphragm is covered with a low coefficient of friction coating to reduce friction and improve its resistance to contact wear.

Diaphragm coupling

Diaphragm coupling adopts 6, 8 or 10 hole diaphragm group, with the increase of the number of holes, the coupling can transfer higher torque, the stronger the rigidity, but the corresponding can accommodate less displacement deviation. Diaphragm coupling is driven by elastic components and metal diaphragm to transfer torque, due to the friction between bolts and diaphragm and semi-coupling, the coupling needs to be tempered to ensure the use of the coupling. Diaphragm coupling is made up of two kinds of flange semi-coupling and a group of diaphragm by screw fastening to achieve rotation, in the installation should pay attention to the following requirements:

(1) Wipe the dirt and dirt on the surface of the installation shaft, and wipe a thin layer of oil or lubricant with it;

(2) Clean the inner hole of the diaphragm coupling and apply oil or lubricant;

(3) Insert the diaphragm coupling into the mounting shaft, if the aperture is too tight, avoid using a hammer or hard metal to hit the installation;

(4) After the positioning is completed, tighten the screws gently in the diagonal direction with a torque wrench (1/4 tightening torque required);

(5) Step 4 is repeated by increasing the force (1/2 of the tightening torque is required);

(6) Tighten and fix according to the specified tightening torque;

(7) Then, tighten the fixing screws in turn in the circumferential direction;

(8) When disassembling, please proceed in the state of stopping the device and loosen the locking screw in turn.