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Treatment of casting defects of blowholes

Porosity casting defects are holes that appear in the interior or surface of the casting, and the cross section is circular, elliptical, waist circular, pear shaped or needle shaped, which exist in isolation or in groups. Large pores usually exist in isolation, and small pores usually exist in groups....

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Blow hole defect of wet molding clay sand steel casting

The blow hole defects produced by wet molding clay sand cast steel process are mainly intrusion blow hole and precipitation blow hole. Intrusive blow hole defect is that gas intrudes into liquid metal from the outside, mainly from molding sand, core sand, cold iron, etc., or may be involved...

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Discussion on the casting blow hole defect of motor shell

Motor housing is one of the most important components of electric vehicle motor. ZHY casting produces a motor shell blank, in which the defective blow hole defect account for more than 40% of the total production, which seriously affects the reliability and appearance quality of the product. With the...

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