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Material:
Aluminum,
Magnesium, Brass, Bronze and Zinc alloys.
Process:
Plaster mold,
Air-set and green sand.
Size Tolerances (Typical):
INCH
0 to 2" + .005"
2 to 6" + .010"
6 to 9" + .012"
9 to 12" + .015"
Over 12" add + .0014"
per additional inch
*(Add .010" across parting lines)
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INCH
0 to 50mm + .15mm
50 to 150mm + .25mm
150 to 250mm + .30mm
250 to 300mm + .40mm
Over 300mm + .0014mm
per additional mm
*(Add .25mm across parting lines)
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Angular tolerance is +
1/2° (Note: APC processes may permit closer tolerances if required.
Consult APC Engineering Department.)
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Flatness
& Straightness:
0-1" (0-25mm)
.005 T.I.R. Add .002 T.I.R. for each additional inch (mm).
Minimum
Radius:
.015" (.4mm)
Wall
Thickness:
Optimum is
.08" to .12" (2 to 3mm). Lesser wall thickness is achievable.
Draft:
From 1/2° to 2°.
(Zero draft is possible in specific areas.)
Surface
Finish:
80 to 100 rms.
Weight
Range:
One ounce to 200
pounds. Vacuum form molds and plastic tooling up to several thousand
pounds.
Holes
and Openings:
Normal casting
process requires that holes and openings be no deeper than two times hole
size and be no smaller than ,250" (8.4mm) diameter. Smaller holes are possible.
Stress
Relieving/Heat Treating:
As required, per
customer specifications.
Send us your CAD files, drawings or samples. You will receive quotations
within 2-3 days.
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