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  • Users: Pjohnny
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  1. Pjohnny

    Surface Roughness

    Hi, does someone could help me, please? An Automotive customer ask us for a mechanical part made by turning. The surface roughness required is 4/Pt12. Does anybody know what it means? Thanks.
  2. Pjohnny

    Involute Tooth profile formulas

    Hi, I’am a new user. I’m trying to draw a tooth gear but I don’t have formulas and data table to do this because ( I think ) it is a Stub tooth gear. These are the straight spline specification: - Tooth profile Involute - Module 0.7 - Numb. Of teeth 26 - Pressure angle 45° - Pitch diam. 18.2 mm...

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