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General Mach Discussion / Motors do not turn continuously

« on: December 22, 2013, 01:36:47 PM »

On continuous jogging mode, while I am holding down an arrow key, my motor turns only for a little bit before it stops, and once it is stopped, the motor is still making the noise as if it is turning. Similarly, if I type in a G-code, for example X100, the x-axis motor turns only for a little bit before it stops, even though the reading on the screen is still changing and the motor is still making a noise as if it is turning. What is going on? Is it a setting/configuration issue or a hardware issue, and what correction should I do?

By the way, on step mode, when I hit an arrow key once, the motor does turn one complete step.

I am using Mach3 running in windowsXP, and I use a TP6560 4-axis driver board, 3 Nema 17 motors (xyz only) on a 7x7 zen toolworks kit.