Die Casting
Molten metal is injected, under pressure, into hardened steel dies, often water cooled. Dies are opened, and castings are ejected.
Metals: Aluminum, Zinc, Magnesium, and limited Brass.
Size Range: Not normally over 2 feet square. Some foundries capable of larger sizes.
Tolerances: Al and Mg ± .002"/in. Zinc ± .0015"/in. Brass ± .005"/in. Add ± .001" to ± .015" across parting line depending on size.
Surface Finish: 32-63RMS
Minimum Draft Requirements: Al & Mg: 1° to 3° Zinc: 1/2° to 2° Brass: 2° to 5°
Normal Minimum Section Thickness: Al: .03" Small Parts: .06" Medium Parts Mg: .03" Small Parts: .045" Medium Parts Zinc: .025" Small Parts: .040" Medium Parts
Ordering Quantities: Usually 2,500 and up.
Normal Lead Time: Samples: 12-20 weeks.
Production: 4-8 weeks A.S.A.
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