1. #1
    Just finished make this speed increaser, its by Hemingway kits with a ER11 chuck instead of the
    6mm tool holder and grub screw as in the kits spec. the unit gives a 3X speed increase.
    so far its works very well.

    Click image for larger version. 

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    Last edited by StevenT; 15-07-2014 at 07:36 PM.

  2. That looks cool how dose it work?

  3. #3
    Hi Lee
    its a epicyclic gear box that gives a speed step-up of 3X spindle RPM, the low speed input shaft has a internal cut gear wheel then an intermediate gear that drives the sun wheel.
    The Kit came with all the gears and bearing.


  4. Hi Steven, thanks I didn't have time before to look at their website but I've just had a good look around, thanks for sharing I've bookmarked a few things for later usage.

    I may have a go at the roller bender, though will probably just order the Thomas books first.


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