[Jewelry making - Article 01125] - Re: [Orchid] Disc cutter

[Jim Zimmerman]

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Hi Karin,

>     I am wanting to hear from anyone who has used a commercially
>     bought disc cutter (the punch type). I am a student and have an
>     opportunity 

    Making a disc cutter is an excellent project for a general machinist
    apprentice or a tool and die maker apprentice. You will be using
    several skills that you will be using lot in the trade. The disc
    cutter I made, was constructed out of three pieces of flat stock.
    After cutting, I Persian ground the surfaces. I also cut steps for
    the third piece to act as a bridge. I then pined all three together
    with cap screws and location pins. After rough drilling, I bored the
    holes on a mill to tolerance. The last step was to put steps in the
    punches before hardening. 

    Yes you can buy one for a fair price though a tool dealer, but I
    will never part with the one I made or the knowledge I learned. Mostly
    how to measure accurately. That ability has made me one the best
    diamond setter in my area. 

Jim Zimmerman
Alpine Custom Jewellers & Repair
http://www.handengravingcanada.com

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