The gear coupling refers to the transmission of torque by the meshing of the internal and external gear teeth. It is one of the movable rigid coupling.
1, check the meshing of the coupling surface of the coupling. The contact area is not less than 50% along the tooth height, and the width of the gear is not less than 70%. There are no serious pitting, wear and crack on the tooth surface.
2, The full circle of the gear ring outside the coupling is not more than 0.03mm, and the end of the end is not more than 0.02mm.
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