I wonder if supported rails generally run “unsmooth”?
Guit no previous experince from them but i would have imagined them to run more smooth and quiet. Off course it’s hard to explain like this, they probably are perfectly ok but i think I’ve read somewhere about a guy that cleaned them and applied new, better grease in the bearings.
The supported rails are TBR20īs from linearmotionbearings.
Anyone who knows what im talking about? :)
Last edited by JW1977; 19-11-2015 at 09:07 AM.
Yes I know exactly what your talking about and have used many of Chai's rail/bearings.
If your trying them by hand off the machine then it's normal to feel this way. To get a true feeling for them put on flat surface ie:Flat floor and stand on the bearing then move with your weight on and you'll feel they run smooth.
If not smooth when on the machine then chances are the plastic cage may have been damaged when fitting the bearings to rails or one or more balls feel out when fitted.
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