[Jewelry making - Article 00232] - Re: [Orchid] Silver shoots all over the place

[Les Brown]

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Richard,

    One reason for incomplete castings is an incomplete melt. If a chunk
    of unmelted alloy sticks in the exit point this could potentially
    cause the rest of the material to exit in unexpected directions. 

    Re the flask eject problem: I didn't get in on what brand or style
    of machine you have but I've used a little Neycraft machine for
    decades. One of the first problems I faced was the crucible carriage
    not staying tight against the flask prior to casting. I'd be half way
    through a melt when the front of the flask would drop down onto the
    slides. I solved this very efficiently by using a style of paper
    fastening clip that you can get at Staple or Office Max in a variety
    of sizes. The clip is a piece of springy sheet metal with little
    handles on either side that you squeeze to part the edges of the
    spring sheet. I found a size that snaps perfectly over the slide bars
    that the crucible carriage moves on. 

    When I place the flask in the casting machine I simple slide the
    carriage up tight against the flask the place the clips over the
    slide bars and tight against the underside of the carriage. No more
    slipping flasks. 

Les Brown
L.F.Brown Goldwork
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