Twin Gating System Design for Typical Thin Wall Stainless Steel Castings Based on Fast Pouring Mechanism

Abstract:

The thin wall stainless steel castings is difference to ordinary steel castings in foundry technology. This paper discussed the problems of thin wall stainless steel castings which appearing in the flow controlling board for warm-air pipe, and put forward the foundry technology of this stainless steel castings based on the principle of directional solidification and fast pouring mechanism. According to the theory, twin gating system has been designed for the controlling board castings, and two ladles are pouring into the open twin gating system at the same time. The shrinkage of finally congealing part was fed by two risers. The practice has shown that the design is feasible, there is not cold shut, misrun, scab, and oxidizing for the castings, and the requirements of mechanical properties can be met.

• Periodical: Applied Mechanics and Materials (Volumes 457-458)
• Pages: 1657-1660
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.457-458.1657
• Online since: October 2013
• Authors: Da Chun Yang, Sen Lin Li, Feng He
• Keywords: Cold Shut, Fast Pouring Mechanism, Misrun, Thin Wall Stainless Steel Castings, Twin Gating System

References

[1] J.B. Wen: Mechanical Engineering Materials (China Machine Press, China 2009).

[2] K.S. Li: Basis of Foundry Technology Designing (China Machine Press, China 1981).

[3] Z.P. Gao: Steelmaking Technology (Metallurgical industry Press, China 2006).

[4] Q. C. Li: Basic of Casting Forming Theory (China Machine Press, China 1982).

[5] C.L. Yang: foundry technology, Vol. 30(7) (2009), p.126 (In Chinese).