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O-Ring Perimeter Measuring tool - 100mm to 600mm — zdjęcie 1

O-Ring Perimeter Measuring tool - 100mm to 600mm

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A tool to get the perimeter of a rubber o-ring so the diameter can be calculated

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Źródło
Printables
Kategoria
Tools
Licencja
Creative Commons — Public Domain

Do you have a bunch of Large O-rings where you don't know the diameter of them, and their size is too impractical for a typical size measuring cone?  This tool will help!

This tool is a sliding ruler that calculates the inside perimeter of the O-Ring being measured.  the groove can handle up to 5mm thick o-rings, and the circular guage is 100mm in perimeter.  the ruler graduations are spaced apart in 1mm increments, and the formula that the graduations calculate is 100mm+(N*2). Divide the perimeter by Pi to get the diameter.

This was designed to print in a BambuLabs X1C diagonally.  it should be compatable with any other brand printer with a 256mmx256mm print bed. The graduations were acceptable with a 0.4mm nozzle.

It can be printed in any material, but I recommend a greater than 40% infill so the ruler part has some ridgidity.  supports is recommended for the slider part.

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