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FAQs / Help wanted. Chinese 3020 Motors make a grinding sound. Particularly on Xaxis +.

« on: October 28, 2013, 07:17:24 PM »

Hi, I am a newbie to the forum and to CNC machining. I bought a Chinese 3020 and have a problem with a grinding noise coming from the stepper motor on the X axis positive when jogging, and then it appears to be across both axis when running a program, for example a circle where it becomes very noisy as it gets toward the zero movement. I have played with acceleration and had slight improvement, but the problem is still there. Also interchanged the motors to test, and the problem remains mainly on X axis. Sometimes the motor will actually stall. Any help would be appreciated.