[Jewelry making - Article 00339] - Re: [Orchid] Bead blasting to clean castings

[Tim Blades]

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    I use a water pressure washer first, even on delicate stuff. I do
    agree that a bead blaster is a boon if you have to get scale off
    bronze.It is a good idea to keep as much muck as you can out of your
    blast cabinet. 

    Pressure washers are very cheap now, one wil pay for itsself in time
    saved remarkably quickly, it will cut your clean up time from an hour
    to two minutes. 

    I have a large old plastic tank outside on its side, the machine
    lives indoors with the pipe and gun outside. Fixed to the bottom of
    the tank is a sheet of wood with a lot of long nails poking up
    through it, ( think hedgehog) you can then hook your complete sprue
    onto it and spray from a distance and then adjust to move the
    remaining plaster covered sections to face front. 

    You can remove detail with a bead blaster, it just depends how long
    you go on....

regards Tim.
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