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07-21-2016, 06:35 PM #1
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- Jul 2016
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- 43
New issue - now with video! Y axis skip...
It is a consistent skip that just appeared over night. I have re-seated the pulley, I have changed the tension on the y belt, nothing fixes it. The pulley looks to be in good shape but it is always at the same exact point so I'm thinking that is where the issue lies.
This bump -> skip happens both when printing and when moving the bed by hand.
Is it time to buy another motor? Is it time to get another pulley? Help!
So many problems lately and I'm REALLY behind on what I want printed. This is driving me crazy.
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07-22-2016, 05:55 AM #2
- Join Date
- Oct 2014
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- 31
Is there something binding on the idlers or something getting in the way in the extrusion? Does it do it without the belt connected?
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07-22-2016, 08:59 AM #3
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- Jul 2016
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- 43
Nothing binding - I completely took it apart, cleaned it and put it back together to make sure it wasn't slipping. It doesn't do it with the belt off. I think the motor is fine, I believe somehow the pulley has a bum tooth? Has this ever happened to anyone?
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07-22-2016, 10:04 AM #4
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- Oct 2014
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- 133
If it doesn't do it with the belt attached then carefully examine the pulley and belt, and replace whichever one has the defect.
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07-22-2016, 10:12 AM #5
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- Jul 2016
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- 43
I have extra belts - I'll be testing that out tonight. Any idea on a local source for the pulley? Any B&M stores that might carry one?
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07-22-2016, 10:19 AM #6
As the pulley rotates there seems to be a lump or bump that you can see rotating around the pulley. There's likely something stuck to either the belt or the pulley... I'd start by fixing that.
Last edited by printbus; 07-22-2016 at 10:22 AM. Reason: no full screen problem may be on my end
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07-22-2016, 10:21 AM #7
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- Jul 2016
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- 43
I took it completely apart and cleaned them both but found nothing. The motor doesn't wobble without the belt and I can't "see" any defect when they are apart, just when they are working together. It's also at the same point in rotation. So I was with you initially that something got lodged in between the two but I haven't found crap! lol.
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07-22-2016, 09:48 PM #8
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- Oct 2014
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- 133
You can physically see a bump under the belt at the pulley when the skip happens. A video of the motor performing the same movements, from the same viewpoint, just without the belt in place would be interesting and potentially helpful.
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07-23-2016, 01:00 AM #9
- Join Date
- Jul 2014
- Posts
- 305
Have you checked the set screw? One time I had a set screw that went bad somehow and would not grip onto the stepper motor. So I was getting weird Y axis artifacts.
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07-23-2016, 09:58 AM #10
- Join Date
- Oct 2014
- Posts
- 133
Ender 3v2 poor printing quality
10-28-2024, 09:08 AM in Tips, Tricks and Tech Help