Applying the trajectory method to repair the press sleeve
The left and right clamping sleeves on the press connecting rod are used to fasten the screw rod. Since the screw rod is subjected to the alternating impact load, the thread of the fastening sleeve is broken frequently. The threads of the conventional machining of the clamping sleeve (Fig. 1) must be machined simultaneously with the connecting rod. In this way, it is required to fit the outer peripheral fitting into the locking hole of the old connecting rod, and find the trajectory of the original thread, and then drive out the thread M. This method must be processed on a trampoline or large lathe, bringing
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