cody.h4
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Y axis stiff/hard to push

Jun 07, 2018 11:03 pm

Hey everyone so this may be reaching but my y axis just seems stiff and or hard to push compared to my x axis (mk2s kit). My x axis I can push with one finger and it just glides but I've never had this with my y axis. Do you think that's normally? I have to hold the printer and pull on the y axis to get it to move. I'll attach some pictures and a short video of me pulling it. It passes the self test fine, I'm just trying to fine tune it as much as I can. Let me know if I can provide any more information.

Thanks for any help!!

Image
Image
[youtube]https://www.youtube.com/watch?v=Ggr_9Rx ... e=youtu.be[/youtube]

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joan.t
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Re: Y axis stiff/hard to push

Jun 07, 2018 11:18 pm

Hi Cody, your Y axis should also glide easily, could you have over tightened your bearing U bolts?

the bearings are easy to squash

regards Joan
I try to make suggestions that I believe to be well founded and safe,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions,
what you do, is YOUR responsibility.

cody.h4
Posts: 6
Joined: Apr 30, 2018 11:23 pm
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Re: Y axis stiff/hard to push

Jun 07, 2018 11:56 pm

joan.t wrote:
Jun 07, 2018 11:18 pm
Hi Cody, your Y axis should also glide easily, could you have over tightened your bearing U bolts?

the bearings are easy to squash

regards Joan
Hi Joan thanks for the reply it's possible. They're so difficult to get just right. I had loosened them but then the bed was making a noise because I think they were too loose. I also think zip ties might work better.

Thanks.

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joan.t
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Re: Y axis stiff/hard to push

Jun 07, 2018 11:59 pm

Hi Cody,

The Mk2 used Zipties
U bolts are supposed to be better...

My Mk2 MMU still has Zipties...

I have two sets of U bolts... somewhere.... when they reappear I may fit them...

Guess it's a case of what ever you feel more comfortable with
Joan
I try to make suggestions that I believe to be well founded and safe,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions,
what you do, is YOUR responsibility.

cody.h4
Posts: 6
Joined: Apr 30, 2018 11:23 pm
Contact: Send private message

Re: Y axis stiff/hard to push

Jun 08, 2018 12:22 am

joan.t wrote:
Jun 07, 2018 11:59 pm
Hi Cody,

The Mk2 used Zipties
U bolts are supposed to be better...

My Mk2 MMU still has Zipties...

I have two sets of U bolts... somewhere.... when they reappear I may fit them...

Guess it's a case of what ever you feel more comfortable with
Joan
Okay well that's good to know that I can use them I may try that. That way I can't over tighten things. Thanks!

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joan.t
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Re: Y axis stiff/hard to push

Jun 08, 2018 10:46 am

it might be too late Cody,
if you have severely deformed the bearings, they may not recover

regards Joan
I try to make suggestions that I believe to be well founded and safe,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions,
what you do, is YOUR responsibility.

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