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.