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Contraptor - linear bearing

by albanetc, published

Contraptor - linear bearing by albanetc Oct 31, 2009

Description

This thing is a part of Contraptor - a DIY open source construction set for building Cartesian robots: contraptor.org

Linear bearings ride on linear rail thingiverse.com/thing:1071, driven by belts or leadscrews. A pair of rails and at least a pair of linear bearings are needed to make a complete linear stage. There are three sizes of the linear bearing: 3.5", 2.5" and 1". The part list is for 3.5" size.

Sketchup source:
sketchup.google.com/3dwarehouse/search?q=contraptor+linear-bearing

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Instructions

Linear bearing is basically half of aluminum rectangular tube, with R3 bearings mounted on 10-24 screws. The tube pieces are made using SVG templates. There is a 1/16" gap between bearings and the base wall. For 1" size, 1.5" square tube is used.

Detailed howto: contraptor.org/make-linear-bearings

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