【摘要】 本文首先简要介绍了等离子弧表面强化处理技术的原理、优点和用途。重点阐述了一台先进的数控等离子弧热处理机的构造，各主要组成部分的功能、结构、特点和主要技术性能指标。文中还介绍了该机的试用效果，并指出其应用前景更多还原

【Abstract】 This paper briefly introduces the principle, the advantages,and the use of plasma arc surface hardening technology.A detailed description of the construction,the function of each main part,the characterestics and the main technique parameters of this machine have been given.The preliminary using effects have been shown, and the using prospect has been pointed out.更多还原