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早在1980年,美国军事技术研究实验处的应用技术实验室就曾对齿轮的激光硬化调查结果做过一个广播节目报道,并由贝尔飞机制造公司的一个下属单位—芝加哥伊利诺理工学院研究所承担了当初定为两部份研究项目之中的第一个项目,该研究所的W·Altegott同贝尔飞机制造公司的P·Patel合作写了一篇题为《直齿园柱齿轮激光表面硬化MM＆T》的论文,公布了实验结果。论文对经激光表面硬化处理后和经渗碳处理后的AMS(美国航空材料规范)6265正齿轮齿的抗胶合寿命与齿的弯曲强度进行了比较,其目的是为了说明用激光硬化代替
As early as 1980, a report on the laser hardening test of gears was conducted in the Applied Technology Laboratory of the US Military Technology Research Laboratory. A radio program was reported by a Bell Aircraft manufacturing company, a research institute of the Illinois Institute of Technology in Chicago Assumed the first of two projects originally planned for the project, W · Altegott of the Institute in cooperation with P · Patel of Bell Aircraft Manufacturing Co. wrote an article entitled “Spur gear laser surface hardening MM & T ”paper, published the experimental results. The paper compares the anti-gluing life and tooth flexural strength of AMS (American Society of Aerospace Materials) 6265 spur gear after laser surface hardening and carburizing, the purpose of which is to illustrate the use of laser hardening instead of