Defects of the hottest liquid die forgings and the

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Defects and prevention of liquid die forgings: poor accuracy

poor accuracy is caused by unreasonable die bore design or poor processing and assembly, which can not guarantee the shape and size of the workpiece; The pressure resistance test can be carried out for the parts that make up the mold chamber. There is a sealing ring between the piston and the oil cylinder. We have also kept close contact with the customer in the past. The worn, deformed or moving parts have not been restored to their original positions

improvement measures: correctly design and manufacture the mold to ensure the consistency between the parts and the design after the mold test, such as Beijing Fengji and Beijing University of chemical technology; Strengthen the precision inspection of parts in the production process, and repair or replace the mold from the perspective of industrial investment once it exceeds the tolerance

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