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  1. #1
    Join Date
    May 2008
    Location
    Troy, MI
    Posts
    323

    Default Friction Couplers on Shafts

    On a new robot wrist design at work we are considering using a friction connection with a coupler on the output shaft of an inline gear head instead of a spline. To validate this concept we needed to test shafts with and without grease for various shaft diameters. The first step was to measure the static torque capacity of this joint. To accomplish this I welded a nut on the end of the shafts to facilitate the use of a torque wrench for the test.
    Attached Images Attached Images
    Last edited by Don52; 12-14-2010 at 04:27 PM. Reason: Added "Robot"

    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  2. #2

    Default

    Looks good man ...clean!!

  3. #3
    Join Date
    May 2008
    Location
    Troy, MI
    Posts
    323

    Default

    Thanks. I wish that I had a rotator so I could weld all around in one setup.

    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  4. #4

    Default

    Yeah i would to but where i work there to cheap lol. So its weld stop rotate weld stop rotate lol. Maybe one day theyll let us get modern lol

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