[Jewelry making - Article 00022] - Re: [Orchid] Fusing vs Soldering

[DrDule]

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    Dear Felicity: Those discs with the little teeth are not
    separating discs, but are called rotatory saw blades, and they
    are extremely dangerous to use.. The separating discs I use are
    not metal but rather a composite of fine carburundum and binder.
    These come in various diameters and thickness the thinnest ones
    being the most preferred (leaving the smallest gap). These are
    usually the most expensive, but if used properly, can last. They
    are mounted on a screw type mandrel and if torqued while using
    ,will easily break. 

    	I have made up a series of brass tubes with an inch or so slot
    at one end. These serve to support various size coils of wire to
    be cut into rings. Place the coil on the tube with the slot
    facing away from you. I lean this assembly against the bench top
    at about a 45 degree angle and lightly  apply the rotating disc
    to the metal over the slotted section. Since the disc is rotating
    away from you, there is no danger of the disc running up the
    tube and cutting your holding fingers. 

    	Incidently, these discs are also known by several different
    names: Cut-off discs, carburundum discs, JoDandy discs,and a
    few others. They can be obtained at the jewelry suppiers or
    dental suppliers. The gage discs I use are .009, but I believe
    Peter R. mentioned a thinner gage that he uses. 

    	Hope this helps, but if some clarification is needed, you are
    welcomed to E- mail me directly.          JZD 

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