文摘：分析大型轴类的内部组织特点，以及其热状态下的吊装方式与小件的不同，制定适合大型滚筒轴的调质工艺。

Abstract: This paper analyses organize characteristic interior of large axle and hoisting way under hot status. It is different from small piece. Modified technique of large drum axle are work out.

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根据要求进行现场的质量管控工作，包括5s管理，文档管理，组织协调质量审核。

To perform the quality management work on requirement including 5s management, document management, quality audit cooperation and organization.

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研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。

The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.

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