eztrak problem

[brinmac]

i have 3 axis eztrak, sem motors, recently the x axis has started jumping and motor running really hot , today i tried another motor and still same issue . after jogging axis the handle will almost oscillate , but when i stop with my hand it stays stationary until jogged again.

any ideas?

thanks
robert brintle

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[reabdet21]

try tuning your drive. http://web.mit.edu/jhawk/doc/eztrak/eztrak.pdf

[Bdrangdo]

You could turn down the gain but I think your problem is due to either a loose motor coupling/belt or a worn ball screw or its bearings. There is some backlash somewhere and the motor is over reacting because of it. Dave

[mbservice]

You could turn down the gain but I think your problem is due to either a loose motor coupling/belt or a worn ball screw or its bearings. There is some backlash somewhere and the motor is over reacting because of it. Dave

Change the brushes on your motor