[Jewelry making - Article 00390] - Re: [Orchid] Otto Frei's Economy Rolling Mill

[Jon Presson]

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    the problem here is not so much how the gears hold up, as how they
    match up the teeth on these gears are shallow so you lose a majority
    of the top range because of tooth skip on the gears. also the blocks
    that the rollers rest in are cast and subject to failure under
    stress.. sadly this is a fatal design flaw as the majority of the
    stress in the machine will occur at the top of the blocks for the top
    roller and at the bottom of the the blocks for the bottom roller... 

    my recommendation would be to spend the extra cash and buy from a
    known.. reputable company... less chance something will break... and
    should something break... you can get replacement parts 

Jon P.
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