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Proper Orientation of Linear Bearings on X-Axis Rails?  

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Alan B.
(@alan-b)
Eminent Member
Proper Orientation of Linear Bearings on X-Axis Rails?

Building my MK3S+.  So far so good.  I'm up to the point of placing the three bearings on the two horizontal smooth rods (two on the top rail, one on the bottom rail).

I was wondering if the orientation of these bearings are important?  Should they be set in some special alignment with eachother (45 degrees apart, lined up, etc.)?  I see no mention of this in the assembly guide.  In a later chapter, when the extruder is attached to these bearings, I want to make sure I have them set up correctly if necessary.

Thanks for your help!

This topic was modified 4 years ago 2 times by Alan B.
Posted : 22/12/2020 4:26 pm
egar
 egar
(@egar)
Estimable Member
RE: Proper Orientation of Linear Bearings on X-Axis Rails?

The assembly instructions aren't very clear for those rails.  I assembled them like the Y-axis bearing orientation, where the bearings are 45 degrees rotated from vertical.  This way the two lines of bearings will be carrying the load of the hot end assembly.  Not sure if that's the best way, but it was the way I did it.

Posted : 22/12/2020 5:43 pm
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