\How to solve the power being not enough problem of cam and groove coupling

　　Check the characteristic curve of cam and groove coupling, have a look whether the starting torque is too low, check whether the adjustment from auxiliary chamber to the working cavity of filter valve is appropriate.

　　Analysis of cause of failure: for ultra soft hydraulic cam and groove coupling, the starting torque can be adjusted, if the flow area of the auxiliary chamber to the working chamber is small, so that the work of cavity flushing is insufficient, it cannot start load. In addition, coupling low starting torque, can also cause cannot start working machine.

　　Troubleshooting method: adjusting overcurrent valve of cam and groove coupling auxiliary chamber leading to the working chamber, usually the valve in the external adjustment, tighten adjustment screw plug inside, can reduce the circulation path, spin out put regulation screw, will increase the flow area of the working chamber, fast oil inlet, start to increase torque. If identified as belonging to the starting torque iof cam and groove coupling s low, you should change the coupling or try to increase the starting torque cam and groove coupling.

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