Threadless screw LISA

Re: Threadless screw LISA

Postby Cozmicray » Wed Dec 25, 2013 4:07 am

My test of threadless leadscrew

http://www.youtube.com/watch?v=-Ow8xxHzJMw

Carrige thinkaverse part 125529
10mm rod
Six 608 bearings
rod thru holes in wooden blocks, driven by drill, no tension, no frills

Threadless_data.jpg
measurement on threadless leadscrew
Threadless_data.jpg (105.78 KiB) Viewed 36271 times


:D
Cozmicray
 
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Re: Threadless screw LISA

Postby Jason Fisher » Wed Dec 25, 2013 8:17 am

Have you tried to run it vertically, maybe with a weight hanging 8" out on an 'arm'? The drift might be different if you load the bearings and remove the friction against the backboard?
Jason Fisher
 
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