[Jewelry making - Article 00485] - Re: [Orchid] Making a Two Piece Ring

[Peter W . Rowe]

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>        Rocket Science is easy compared to this little discussion!
>     Could someone please draw me a picture of exactly what you mean by
>     these wooden blocks and mandrels as I for one am totally lost by
>     the whole descriptive thing going on here.  You know what they
>     say..'A picture tells a ..' I am really interested in this
>     discussion as I have yet to try such a project and am seriously
>     considering one in the near future. Regards Mark Vardy
>     (www.silvar.co.uk) 

    the mandrel is the tapered steel rod, often marked with ring sizes,
    which we use to form rings on.   I seem to recall some in the UK call
    them triblets, or some such.  Not a specially made tool just for the
    wood blocks.  Could also be ANY steel rod tapered or not, of a
    diameter to fit insde the proposed ring size. 

    the wood block is simply any piece of wood, though hardwood is
    common,  on one surface of which one has cut either a V shaped
    groove, or a half round groove across the top.   If, instead of wood,
    you could imagine a lump of clay. Flat surface on top.  Now take your
    mandrel, or a steel rod, and press it down halfway into the surface,
    and lift it up again.  You've got a groove running across the top of
    the flat surface.  In the wood, it's the same idea.  this example
    would give you a half round groove.  It could also be a V shaped
    groove if you like. 

    the groove need not be any particular length, so long as it's longer
    than the width of the metal stock being bent into a ring.   

Peter


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