Thrust bearing base for MeArm V0.4

by JamesWhite, published

Thrust bearing base for MeArm V0.4 by JamesWhite Jan 31, 2015
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To address slop issues in the MeArm base, here is a new base for the MeArm V0.4 utilizing a 65mm O.D. x 45mm I.D. x 5mm thrust bearing. I ordered one from ebay for 4 dollars. This base replaces the original square one attached to the top of the (4) M3 x 20mm bolts.

Also included is a dxf file that has been cleaned up (The original v0.4 dxf uses splines instead of lines and arcs. Ugh!) and re-nested to fit on an 8 1/2" x 11" sheet for us American folk. No other changes were made. It is version "0.4.A" (American)

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Where is the middle Part?
Not everyone has the Software to cut it out :)

This mod requires two 3D printed parts, the thrust base bottom & thrust base top. The "middle" part is a 45mm ID x 65mm OD x 5mm thick thrust bearing (not printed). The thrust bearing is 3mm and has (2) 1mm washers for a total thickness is 5mm. I got one on ebay from china for 4 dollars. The two 3D printed pieces replace two stock parts of the MeArm.

Here is a link to one from ebay: http://tinyurl.com/k7tulqh