[Jewelry making - Article 00360] - Re: [Orchid] Rio Grande melt furnace problems

[Dave Arens]

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Hi Rick,

>     Thanks for the response. I'm not an electrical engineer but I am
>     kind of handy. This unit uses the common glass automotive type fuse
>     (glass 15 amp). What happens is it works fine for about 10-15 times
>     then blows/melts. When I pry the fuse out of it's melted carrier
>     the ends appear clean. It seems to me that some
>     component/connection is deteriorating with each use until it self
>     destructs. Question? If the metal clips that hold the fuse where
>     not a heavy enough gauge metal could they say, break down with each
>     use? 

    Trying to diagnose a problem such as this on site can be problematic,
    long distance it's impossible. 

    In answer to your question, the clips are probably heavy enough, but
    if they heat up while the unit is on they could loose some of their
    temper. Repeated heatings would cause them to loose more over time. 

    If you don't have any luck determining the cause of the problem
    yourself, you might have some one experienced in working with
    electrical appliances have a look at it. 

Dave.
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