Resin Shell Mold

Description: Resin-coated sand is poured onto hot metal patterns, curing into shell-like mold halves. These are removed from the pattern and assembled with or without cores. Metal is poured into resultant cavities. Molds are broken to remove castings.

Metals: Most castable metals.

Size Range: Normally a maximum of 550 square inches of usable mold area. Depends on the equipment at each foundry.

Tolerances:

Non-Ferrous: ± .008"/in. decreasing with size.

Ferrous: ± .010"/in.

Add ± .005" to ± .010" across parting lines.

Surface Finish:

Non-Ferrous: 125-200RMS

Ferrous: 200-350RMS

Minimum Draft Requirements:

Outside: 1/2° to 1°

Inside: 1/2° to 2°

Normal Minimum Section Thickness:

Non-Ferrous: 3/32"

Ferrous: 1/8"

Ordering Quantities:

Non-Ferrous: usually 100 and up.

Ferrous: usually 1,000 and up.

Normal Lead Time:

Samples: 12-16 weeks

Production: 6-10 weeks A.S.A.

Back to the Talbot Associates Casting Page.
Request one of our Free Casting Wall Charts.