Compliant Mechanism 1

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Published on May 25, 2010
This thing was Featured on May 26, 2010

Description

This project is in the spirit of Fdavies's ( thingiverse.com/fdavies ) work on printable Sarrus linkages such as
thingiverse.com/thing:684
thingiverse.com/thing:1112
thingiverse.com/thing:1425
thingiverse.com/thing:1969

The idea is to build a mechanism that creates precise large-displacement linear motion, without using precision mechanical components like ground metal rods, ball bearings, and so on.

You can see a video of this mechanism at:
youtube.com/watch?v=y6Y6iKvTpIc

The main article is here:
reprap.org/wiki/Compliant_Linear_Motion_Mechanism_1

Instructions

Cut out or lasercut pieces from your material of choices using the template files in the zip. Glue together.

The zip contains templates in pdf and dwg format, plus an openSCAD mockup of the compliant stack.

UPDATE 5-31-2010
added CompliantMechanismSheetmetal.zip which has the sheet metal template in pdf svg and dxf formats (generated by Inkscape).

UPDATE 1-21-2011
added paperInstructions.pdf which shows the order of gluing operations.

more info on the sheet metal construction can also be found here:
reprap.org/wiki/Metal_Etching_Scriber
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how do I build this? (paper)

This reply is a bit late, but if you're still interested the file paperInstructions.pdf shows how the paper cutout pieces should be glued together. Hope that helps...

This is a fascinating piece of work. You should upload the images of the prototype cut from sheetmetal and folded into shape.

done! -Matt

whats the application? im curious to what this would be used for...

With improvements it could be used (for example) as a Z axis for a printer.