本文对生产中用45钢制造的双头呆扳手的裂纹问题进行了研究。
This paper deals with the craze problem of double-ended inflexible wrenches made of 1045 steel.
介绍了楔横轧成形工艺及其在双头呆扳手制坯上的应用，阐明了楔横轧模具的主要设计参数。
Cross wedge rolling technique is introduced in this article and this kind of technique is applied to spanner blank forming. This article shows main design parameters about cross wedge rolling die.
主导产品双头呆扳手，梅花扳手，两用扳手，活络扳手，以规格全，质量好，价格低，信誉高，闻名工具界。
Double-headed wrench stay dominant products, Plum wrenches, dual-use wrenches, active wrenches to all specifications, good quality and low price, high reputation, well-known tools sector.
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