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  1. #1
    Join Date
    Mar 2020
    Location
    Kogan, Qld
    Age
    83
    Posts
    7

    Default Knurling Tool Project.

    I decided to make a knurling tool for my mini lathe, had one of those "Y" shaped ones with two wheel that you apply pressure by pushing with the cross feed, would work on aluminium but would not mark steel.<br><br>Most of my projects start out by only using materials I have on hand, so this began with a piece of old steel porch railing cut to the appropriate lengths and cleaned up with an angle grinder with a flap wheel. The first version worked but had drawbacks, it was too short and was welded together, and the weld areas were to small and ended up looking very messy.<br><br>So for V2 I decided to rivet it together, so cut a new set of parts marked out one piece and indexed the other pieces from it for drilling, the 12mm holes for the adjuster pivots were drilled by clamping the opposing pieces together on their flats and drilling through the join line, the river holes were countersunk with a centre drill so they could be&nbsp; ground flat with the surface<br><br>The rivets were turned from a bit of old 1/4" bar from an old clothes dryer, the adjuster screw is a piece of 5/16" threaded bar and the screw handle is an old tap handle.<br><br>In action it works a treat and eats mild steel, the big advantage is there is no load on the tool post as the work is clamped between the wheels and the only load is on the rotational effect of the lathe.

    Can't work out how to get the pics in the correct order, but you get the idea
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