[Jewelry making - Article 00077] - Re: [Orchid] Tack II and III, Foredom All set

[Judy Hoch]

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    I have a Tack II.  I bought it used from Rio Grande.  It works fine
    for gold, brass, copper, and not very well for sterling.  It seems
    that sterling is a very good conductor of electricity, thus the
    resistance needed to make the welder work isn't there. 

    This is a tack welder, and doesn't usually make a good enough
    connection to avoid soldering.  On occasion, I have welded a
    stainless post to the back of a sterling stone set earring and had
    it hold.  You do need the kind of post with the tiny point on the
    connecting end that is made for tack welding. 

    Rio has demonstrated the use of a TackII with sterling but I can't
    make it work reliably. 

Judy Hoch 

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