[Jewelry making - Article 00279] - Re: [Orchid] CAD/CAM crazy

[Les Brown]

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Re: Roland Mill vs Modelmaster

    According to Roland the plastic belts completely eliminate the
    backlash problem found in lead screw driven mills. I have found with
    other equipment I have purchased over the years - even high end
    stuff - that it is a good idea to determine what parts which will
    required in the future and buy them with the machine. The
    consequences of not doing so are that if the machine is discontinued
    or the company ceases to exist the parts will no longer be available
    anyway. 

    "Plastic" is still often seen as a sign of low quality and sometimes
    this may be. However, there are plastics out there - and I hope
    Roland is using them - which are as durable as metal when put to use
    within the parameters the machine is designed for. Consequently, a
    machine like the JWX10, which is designed for cutting wax only, will
    most likely go a long time on the supplied power train. 

    As for the lightweight metal construction: the absolute rigidity and
    strength of the construction are not the issue, you don't need cast
    iron and hardened steel to maintain rigidity when cutting wax and, as
    noted, the Roland only cuts wax. 

    For what it's worth, 

Les Brown
L.F.Brown Goldwork
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