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Thread: Portable ski grinder - Angle control

  1. #1
    Associate Engineer
    Join Date
    Mar 2015
    Posts
    2

    Portable ski grinder - Angle control

    Hi,


    I'm currently working on a school project in which I have to design a portable ski sharpening device. The product will consist of three main parts : The base part which will be in contact with the ski, a sliding part with a spring which will apply a constant pressure on the edge of the ski and a top part which will hold the motor and grinding wheel (See drawing).




    The top part must also be adjustable so it can grind a different angles (from 90 et 85 degrees with a 0.1 increment) and I can't figure out a simple way to do so. Does anyone have a mechanism idea or any standard part that could adjust the angle by increment?


    Thank you,


    Fred
    Attached Images Attached Images
    Last edited by Kelly Bramble; 03-02-2015 at 10:27 AM.

  2. #2
    Senior Engineer
    Join Date
    Jan 2014
    Posts
    58
    If you don't care about weight, a sine plate will do what you want, very accurately.

    Timelord

  3. #3
    Principle Engineer Cragyon's Avatar
    Join Date
    Feb 2013
    Location
    Newark, NJ
    Posts
    235
    Actually the design task is nothing more than adapting an existing ski sharpening device to operate on a portable platform. Frame and wheels?

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