Blasting rough castings?

Posted: August 5, 2005 By: mpierich

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    mpierich

    Member

    Hi,

    I’ve been using cartridge rolls, greaseless compound, etc. to smooth factory castings such as aluminum intake manifolds. Extremely time-consuming.

    I’ve heard that perhaps I could use glass bead (or other media) blasting to accomplish the initial smoothing of the rough surface, prior to beginning polishing.

    Is this the case? If so, what media/pressure etc. do you recommend?

    Thanks.

    Mike

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