Aluminum & Zinc Aluminum Castings - Patternmaking - Sand Casting - No Bake (Air Set) Sand Casting - Permanent Mold - Rubber Plaster Mold (RPM) - CNC Machining
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PATTERNMAKING       PRECISION SAND CASTING       NO BAKE SAND CASTING       RUBBER PLASTER MOLD       PERMANENT MOLD       CNC MACHINING

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NO BAKE SAND CASTING

General Foundry Service's

No-Bake (Airset) Sand Casting is a process where our proprietary mixture of sand and plastic binder is packed around a "Positive" (typically a Wood Cope and Drag Set) by hand or with power tools which will exert a compressive force to pack the grains of sand and resin close together to form each mold half of the mold. We utilize this process for castings of 80-225 pounds. We utilize this process for producing “Large” castings; up to 64” x 64” x 18” in size and ranging from 40 to 225 pounds.




In the No-Bake (Airset) Sand process, sand molds are created using a wood, metal, or plastic pattern. Sand is mixed with a plastic binder in a high-speed mixer. This sand is deposited into box containing the pattern and all essential gating, risers and chills for pouring. The sand mixture sets up hard in a few minutes and the mold is removed from the pattern. Cores for forming internal passages in the castings are made using the same process. Cores are carefully placed into the molds. The molds are then closed and are ready for pouring.

The No-Bake casting technique creates molds with excellent dimensional stability. The casting surface finish is also improved over other sand casting processes. No-Bake is one of the most efficient and advanced sand casting techniques currently available.



(The programs we are running on our No-Bake line are confidential. Check back in a few months for new photos.)

 

Please contact General Foundry Service to discuss No Bake Sand Casting and our design recommendations.

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