X Tower Motor Issue
- grimmindustries
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X Tower Motor Issue
Hi Guys,
I was printing a calibration cube today and out of nowhere the X tower stopped working and my hotend is melting it's way through the cube. I checked the cheapskate and the belt. Eventually I took the motor out and tried running the home command and discovered that the motor at the bottom of the X tower doesn't have any torque now, if i put my finger against the gear the motor just stops turning but it sounds like it's still trying to turn inside.
Any ideas?
Thanks,
Ron
I was printing a calibration cube today and out of nowhere the X tower stopped working and my hotend is melting it's way through the cube. I checked the cheapskate and the belt. Eventually I took the motor out and tried running the home command and discovered that the motor at the bottom of the X tower doesn't have any torque now, if i put my finger against the gear the motor just stops turning but it sounds like it's still trying to turn inside.
Any ideas?
Thanks,
Ron
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Re: X Tower Motor Issue
Some possibilities:grimmindustries wrote:Hi Guys,
I took the motor out and tried running the home command and discovered that the motor at the bottom of the X tower doesn't have any torque now, if i put my finger against the gear the motor just stops turning but it sounds like it's still trying to turn inside.
- One of the four wires in the stepper cable is intermittent/broken
- One of the stepper coils has failed
- Your stepper drive has lost part of its driver circuitry
Dan
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Re: X Tower Motor Issue
Thanks Dan, I'll check the resistance, I find that the motor spins loosely compared to the other motors when they are powered off.
Re: X Tower Motor Issue
Or maybe perhaps the set screws in the pulley came loose. This happens really easily, especially when you don't tighten them enough.
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Re: X Tower Motor Issue
Try this when the cables are all unplugged. And do make sure the set screw isn't loose; that's what thread-locker is for. Locktite makes it in stick form (looks like blue glue stick) which is really easy to use.grimmindustries wrote:Thanks Dan, I'll check the resistance, I find that the motor spins loosely compared to the other motors when they are powered off.
Dan
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Re: X Tower Motor Issue
I did use thread lock when I built the printer, I'm going to go buy IPA so I can remove the set screws. It's definitely something inside the motor.
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Re: X Tower Motor Issue
I'm not sure there's anything you can really fix inside the motors, unless you find an obvious (and not buried) break in a wire. May be time to order a new one, or (if this is a new printer) talk to SeeMeCNC about a replacement.grimmindustries wrote:I did use thread lock when I built the printer, I'm going to go buy IPA so I can remove the set screws. It's definitely something inside the motor.
Dan
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Re: X Tower Motor Issue
I ordered a new one and I did find that the rod coming out of the motor was so loose it fell out. I'll have to see if I can liquid weld it back in.
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Re: X Tower Motor Issue
grimmindustries wrote:I ordered a new one and I did find that the rod coming out of the motor was so loose it fell out. I'll have to see if I can liquid weld it back in.
Green Loctite should do the trick for you.
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- grimmindustries
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Re: X Tower Motor Issue
Thanks I'll try it.
- grimmindustries
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Re: X Tower Motor Issue
So the Loctite didn't last, any other ideas for re-attatching the spindle to the motor?
Re: X Tower Motor Issue
Replace the motor.
g.
g.
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Defeat the Cartesian Agenda!
http://www.f15sim.com - 80-0007, The only one of its kind.
http://geneb.simpits.org - Technical and Simulator Projects