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我厂自1984年从美国P&H公司引进挖掘机生产技术以来,在消化吸收热处理技术的过程中,对有热处理要求的200余种零件进行了消化与分析,发现该公司对调质、表面淬火和渗碳处理件的硬度及深度的要求上有一定的规律性,所采用的标准有其科学性,有利于制订热处理工艺、检验热处理质量及提高生产管理和零件使用寿命水平.下面就我们对挖掘机零件的热处理技术要求的体会分述如下:一、对调质处理的要求众所周知,在产品零件的热处理中,由于调质处理后的组织较细、综合机械性能较好,因此,采用调质处理占有很大的比重.美国挖掘机
Since 1984, since the introduction of excavator production technology from P & H Company in the United States, we digested and analyzed more than 200 kinds of spare parts required for heat treatment during the process of digestion and absorption heat treatment. We found that the company has a great influence on quenching and tempering, surface hardening and seepage Carbon treatment of the hardness and depth of the request there is a certain regularity, the standards used by its scientific, conducive to the development of heat treatment process, test the quality of heat treatment and improve production management and service life of parts. Here we excavators Part of the heat treatment technology requirements are described below: First, the requirements of quenching and tempering As we all know, in the heat treatment of parts in the product, as quenched and tempered after treatment of the smaller, better overall mechanical properties, therefore, the use of quenched and tempered A large proportion of the United States excavators