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Lost Foam Casting Defects in Castings such as Flywheel Housing

Compared with traditional sand casting technology, the lost foam casting process has advantages such as precise casting size, good repeatability, flexible production, and good internal quality. Since the patent expired in 1980, lost foam casting technology has experienced rapid development worldwide. Nowadays, the lost foam casting technology is becoming...

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Iron inclusion defect of flywheel shell in lost foam casting

Sandwich is a kind of iron-coated sand defect caused by excessive temperature of molten iron, insufficient fire resistance of coating, thin coating, insufficient fire resistance of molding sand, loose vibration of pattern and molding sand, etc. 1. Sample stage 140 When the flywheel housing is molded, a 110mm wide...

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Lost foam casting of flywheel housing

Compared with traditional sand casting, lost foam casting has the characteristics of high dimensional accuracy, good repeatability and good internal quality. The defects caused by mold taking and box closing in sand casting are eliminated, but with the gasification of foam and the flow and solidification of liquid metal,...

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Process Plan of Flywheel Sand Casting

The gating system is the general name of the channels through which the liquid metal in the sand mold flows into the mold cavity. It is composed of gating cup (outer runner), sprue, sprue nest, transverse runner and inner runner. Whether the gating system is designed correctly or not...

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Production of sand casting flywheel

According to the actual production situation of sand casting, on the basis of summarizing and analyzing the theory of sand casting simulation, the numerical simulation software procast2008 is used to firstly simulate the filling and solidification process of the flywheel casting process currently produced by the enterprise. According to...

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