65Mn钢圆锯片基体的热处理

Heat Treatment of 65Mn Circular Saw Blades Matrix

６５Ｍｎ 钢１６００ｍｍ 圆锯片基体的淬火变形是影响产品质量和成品率的关键。研究发现，原材料的带状组织和淬火工艺的不合理是造成锯片基体淬火变形的两个主要原因。通过增加正火，控制淬火参数，改变淬火方法，达到了减小热处理变形的目的。

The quenching distortion of 1600mm 65Mn circular saw blades matrix is the key to influence the quality and rate of finished products.Our study was found that two main reasons making the circular saw blades matrix distortion in quenching were banded structure and the unreasonable quenching process.The heat treatment distortion of saw blades matrix could be greatly reduced by adding the procedure of normalizing,controlling the parameters of quenching and changing the way of quenching.