Blast material for mechanical plating and continuous mechanical

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 1405, 427242, C23C 2404, B05D 714, C22C 3816

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active

046558322

ABSTRACT:
A blast material for mechanical plating and a continuous mechanical plating process. The blast material comprises 60-90% by weight of steel shot and 10-40% by weight of a coating powder which is an alloy comprising 2.5-50% by weight of iron, not more than 5% by weight of aluminum, copper, tin, magnesium and silicon or a combination thereof and the balance being zinc. The powder has a maximum particle size of about 0.4 mm and an average hardness of 140-450 Hv. The continuous mechanical process comprises continuously blasting the blast material onto a metal part, recycling the used blast material and magnetically separating abraded fine particles of the steel shot in the course of the recycling.

REFERENCES:
patent: 3765923 (1973-10-01), Bender-Christensen
patent: 4524111 (1985-06-01), Oka et al.

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