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6 votes
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Replacing bearings with Drylin bushings

According to igus commercial documentation, these bushings: do not need any kind of lubrication, are not susceptible to humidity (but your steel rods might) work seamlessly in presence of dust (it ...
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  • 178
4 votes
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3 vs 4 bearings for y axis travel

Ideally you would use three bearings opposed to four. In principle you will only need 3 fixtures to get a stable reference frame. Look at how most Prusa i3 "X" carriages are constructed, they also ...
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  • 30.4k
2 votes

Replacing bearings with Drylin bushings

In addition to this answer and addressing Anything else I'm not thinking of to worry about? I would like to add that you should take care in installing the plastic ...
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  • 30.4k
2 votes

Graphite self-lubricating bushings performance?

Bushings will be quieter than linear ball bearings. Some online discussions complain of the linear bearings becoming noisy, and (in what I think is a failure of the balls to circulate properly) for ...
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  • 4,398
1 vote
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Building 3D printer: LM8UU bearing can't fit into

Bearing on a shaft An 8 mm (ID, Internal Diameter) bearing should always fit on an 8 mm (OD, Outer Diameter) shaft. If it does not fit, one of the 2 is of a different size. Please use a caliper to ...
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  • 30.4k
1 vote

Black goo from only one linear bearing - serious issue?

After completion of the print job, I was able to perform a closer inspection. The black goo contains metallic particles, and the rail the bearings are riding on has a visible groove - which means ...
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  • 466

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