![]() ![]() The video below shows mostly the 2D action of the 3-axis application that spawned this design. Other configuration options include more elaborately matching surfaces with tabs for fastening a pair of slides together. ![]() ![]() Stick them together with your favorite double-stick tape, hot-melt glue, Blu Tack®, etc. If one axis of motion is good, two must be better! Two copies of the example configuration stack together trivially, one across the other, for precise 2D positioning. The video below shows the photo model used for most of this 'ible repeatedly returning to within ±5 μm (indicated) of a set position - while carrying a 30 lb weight (± 2/10,000 inch 14 kg). This Instructable will show how to build a usefully stiff and precise linear motion slide from very low cost materials, mainly 1/8" hardboard & 6 mm rod, and access to a laser cutter.Īs configured in the lead photo, the slide uses a wheel on a screw to reduce tangential motion at the edge of the wheel to linear motion of the slide by about 100:1, turning small human motions into tiny slide movements. ![]() A " linear motion slide" allows precise positioning along precisely one axis of motion. ![]()
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