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Insufficient pouring defects of investment casting steel

In recent years, with the application of advanced technologies such as high-performance (steel, non-ferrous alloy, etc.) materials, CAE analysis and technology, the lightweight of auto parts has been realized. With the deepening of automobile lightweight, the average wall thickness of investment cast steel for automobile is becoming smaller and...

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Preliminary application of investment casting in excavator

For many years, castings and forgings have been used as the product parts of ZHY Casting excavator. The new technology of investment casting was started. In recent years, the product varieties have been gradually expanded, and the product output has been continuously improved. The weight of precision castings has...

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Design of gating system in investment casting

Through the testing of the original investment casting prototype, it is found that there are shallow cracks at the intersection of the hook head and the hook tongue through fluorescent magnetic particle testing, as shown in Fig. 1. Generally, the main reason for the formation of hot cracks in...

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