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Squeeze Cast Permanent Mold (SCPM) Processes for Automotive Aluminum Castings
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Abstract
Squeeze Cast Permanent Mold (SCPM) is a state of the art casting process targeting high strength, high integrity, and near net shape applications. Most recently, SCPM has been applied to aluminum front steering knuckles, aluminum scroll compressor castings, pistons, and a variety of components sharing the same stringent requirements. Squeeze casting is considered to be a premium grade casting process because it produces comparatively higher strength and superior structural integrity than other competitive processes.
This paper will provide a detailed process description of SCPM and demonstrate the benefits of this state of the art casting process. In addition, process attributes will be correlated to casting characteristics that qualify squeeze casting as a premium grade casting process. A process flow diagram and description of a state of the art squeeze casting facility will be provided with a focus on how process controls reduce variation to produce consistent casting results. Finally, results will be provided for comparison against typical performance indicators used to evaluate casting quality.
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Citation
Gerken, D., Conaty, C., and Ogiwara, T., "Squeeze Cast Permanent Mold (SCPM) Processes for Automotive Aluminum Castings," SAE Technical Paper 981188, 1998, https://doi.org/10.4271/981188.Also In
References
- Suzuki, S. “Vertical Squeeze Casting of Aluminum Components” Modern Casting 1989 Graphic recreated from this publication
- Komatsu, S. Kanoh, Y. Fukube, H. Mana, H. “Squeeze Casting for Disc Brake Calipers” SAE Paper No. 900009 1990 Graphic recreated from this publication
- Nath, J. “Process and Material Options for Automotive Chassis Aluminum Castings” SAE Paper No. 950723 1995 Charts recreated from this publication and supplemented with data from production typical squeeze cast parts
- Gruzleski, J. Closset, B. “The Treatment of Liquid Aluminum-Silcon Alloys” American Foundrymen's Society, Inc. 1990 127 128 Graphic recreated from this publication
- ASM International Handbook Committee “Aluminum and Aluminum Alloys” ASM International 1996 538 Graphic recreated from this publication
- American Foundrymen's Society, Inc. “Aluminum Casting Technology” AFS 1993 289