Aluminum Casting Process Comparison

Process Typical Size Range Tolerances Surface Finish Min. Draft Required Min. Section Thickness Typical Tooling Costs Nominal Lead Time
V-PROCESS Up to 150 lbs +.010″ for the first 1″, then add +.002″ per inch.
Add a maximum .020″ across parting line.
125 – 150 RMS None .125″ $3000-$15,000 Samples: 2 to 6 weeks.
Production: 2 to 6 weeks after approval.
Sand Castings Ounces to tons +1/32″ to 6″, then add + .003″ per inch.
Add + .020 to .090″ across parting line.
250-500 RMS 1 to 5 degrees .25″ $2000-$15,000 Samples: 2 to 6 weeks.
Production: 2 to 6 weeks after approval.
Investment (lost Wax) Ounces to 20 lbs + .003″ to 1/4″
+ .004″ to 1/2″
+ .005″ to 3″, then add + .003″ per inch
63-125 RMS None .060″ $3000-$20,000 Samples: 8 to 10 weeks.
Production: 5 to 12 weeks after approval.
Permanent Mold Ounces to 100 lbs + .015″ to 1″, then add + .002″ per inch.
Add + .010″ to .030″ across parting line.
150-300 RMS 2 to 5 degrees .150″ $10,000-$50,000 Samples: 2 to 3 weeks.
Production: 4 to 6 weeks after approval.
Plaster Mold Ounces to 50 lbs + .005″ to 2″, then add + .002″ per inch. Add + .010″ across parting line. 63-125 RMS 1/2 to 2 degrees .070″ $3000-$15,000 Samples: 2 to 10 weeks.
Production: 4 to 8 weeks after approval.
Die Casting Ounces to 15 lbs + .002″ per inch.
Add + .015″ across parting line.
32-63 RMS 1 to 3 degrees .030″ to .060″ $125,000-$250,000 Samples: 12 to 22 weeks.
Production: 8 to 14 weeks after approval.

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