[Jewelry making - Article 00122] - [Orchid] Disc cutter

[Karin Beaumont]

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    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
    to use a machining workshop as part of my "Tool making" subject, and
    I would like to make a disc cutter. The engineer assisting me has
    some reservations about how well it would work. Last year a student
    made one from two blocks screwed together but there was too much
    movement, so I plan to make one out of a single block with a slit cut
    in it for the metal (like those in the jewellery catalogues).
    Presumably the hole goes right through the block. I was planning on
    making the slot 1.2 mm wide to cater for 1 mm metal and thinner. My
    tutor's concern is that for thin metal for metal less than 1 mm, the
    metal would buckle and not cut cleanly. Also, presumably the match
    between the punch and the hole must be exact. If anyone has any
    advice, or has attempted to make one, I would appreciate hearing from
    you. 

thanking you,
Karin Beaumont

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