M2高速钢钻头热处理工艺及切削性能  

Heat treatment process and cutting performance of M2 high speed steel drill

作　　者：周永坤[1] 赵先锐[2] 王晓军 

机构地区：[1]浙江工业职业技术学院电气电子工程学院,浙江绍兴312000 [2]台州学院物理与电子工程学院,浙江台州318000 [3]台州德力通工量具制造有限公司,浙江温岭317527

出　　处：《金属热处理》2015年第5期155-158,共4页Heat Treatment of Metals

摘　　要：优化了M2高速钢钻头的热处理工艺参数。结果表明,最佳热处理工艺为1184℃淬火+370℃回火1次+560℃回火2次,此时的显微组织评级为晶粒度10级,回火程度1级,过热程度1级。应用该工艺制造的钻头平均钻削深度为3.04 m,标准差为1.77,变异系数为0.58,评为一等品。Heat treatment process parameters of M2 high speed steel drill were optimized.The results show that the best heat treatment process is 1184 ℃ quenching + 370 ℃ once tempering + 560 ℃ twice tempering.The microstructure evaluation results show that the grain size is 10 grade,the tempering level is 1 grade and the superheat level is 1 grade.The average cutting length,standard deviation and variation coefficient of the drills heat treated with optimized process are 3.04 m,1.77 and 0.58,respectively,and the finished product of drill is 1 grade.

关 键 词：高速钢 热处理 工艺 切削性能 

分 类 号：TG162.2[金属学及工艺—热处理]