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Rods and bearings problems  

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Nr35
 Nr35
(@nr35)
Active Member
Rods and bearings problems

I assembeld my MK3s about 2 months ago at first my X axis Bearing worked into the Smooth rod

3 days after the replacement arrived my Y Axis Bearing did the same 

1 Hour after i ordered the the next replacement i found this... X Axis again is there a Quality problem with the smooth rods and bearings ? i cant imagine an mistake thats could lead to that

Questa discussione è stata modificata 5 years fa da Nr35
Postato : 05/05/2020 10:45 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Rods and bearings problems

Did you lubricate the linear bearings on assembly, or afterwards? 

regards Joan

I try to make safe suggestions,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. Location Halifax UK

Postato : 05/05/2020 11:30 pm
Nr35
 Nr35
(@nr35)
Active Member
Topic starter answered:
RE: Rods and bearings problems

i followed the assembly manual and lubricated first time after 1-2 weeks

Postato : 05/05/2020 11:44 pm
rmm200
(@rmm200)
Noble Member
RE: Rods and bearings problems

Lubrication is something you do prior to assembly. The lubricant has to go inside the bearing.

Assembly problems can also crush the bearings into the rods - especially the Y axis U-Bolts of Death.

Don't secure them too tightly.

Postato : 07/05/2020 2:26 am
Nr35
 Nr35
(@nr35)
Active Member
Topic starter answered:
RE: Rods and bearings problems

That means to me that the assembly manual is useless because there was noted the bearings are lubricated and need no further lubrication in the beginning. but the new x axis i pressed the lube all the way thru the Bearings with an adapter before assembly they lastet 3 days

Postato : 07/05/2020 1:14 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Rods and bearings problems

Dominik, 
If I had the power, that would be the first thing I would change... 

when I got My Mk1 about five years ago, I instinctively reached for the Lithium grease... and I have greased or oiled, every set of linear bearings since then! 

regards Joan

I try to make safe suggestions,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. Location Halifax UK

Postato : 07/05/2020 1:41 pm
Nr35
 Nr35
(@nr35)
Active Member
Topic starter answered:
RE: Rods and bearings problems

Since even the spare parts died extra greased after 3 days i ordered a full set of misumi bearings and rods with the recomended grease  i got the printer about 2 months ago and waited 3-4 weeks for spare parts (einsy board lost firmware every  20 minutes of print. X axis and y axis  ) i think i got a monday printer at all

Postato : 07/05/2020 2:59 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Rods and bearings problems

Looks like you are having a tough time. I hope it gets better for you!

Joan

I try to make safe suggestions,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. Location Halifax UK

Postato : 07/05/2020 5:59 pm
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