介绍了曳引轮铁模覆砂的生产工艺，在试生产过程中通过采取针对性措施，消除了铸件夹砂、夹渣、变形等缺陷，产品合格率大幅度提高。%The casting process of permanent mold with sand lining for traction sheave was presented. The casting defects, such as scab, slag inclusion and warping were eliminated by special measures in pilot production, and the products percent of pass were increased substantially.
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