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Author Topic: Random movement fault in CNC router  (Read 661 times)

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Random movement fault in CNC router
« on: November 13, 2019, 06:56:03 AM »
Hi Guys, I am having trouble with my CNC router (Mach3 using unshielded USB connection cable). To illustrate the fault, lets say there is a command to move the X axis 100mm. It moves along and somewhere in this movement it pauses for a brief while, makes a buzzing sound, (maybe .3 seconds) and then skips to the next line in the program which causes the cutter to move through the middle, say, of my workpiece. It does this randomly without any way of predicting if and when it will do it. All I can think of is that if I shielded the communication cable from the PC to the CNC controller unit it may help. What do you think?(If I can't get a shielded cable, how can I shield it?)
Cheers  Gary