离心铸造工艺参数对M2-1.2Si数控刀具材料性能的影响  

Effect of Centrifugal Casting Process Parameters on Properties of M2-1.2Si NC Tool Material

作　　者：夏鹏[1] 罗春阳[2] 户风宇 XIA Peng;LUO Chunyang;HU Fengyu(Department of Mechanical and Electrical Engineering,Liaoyuan Vocational and Technical College,Liaoyuan 136200,China;School of Mechanical Engineering,Beihua University,Jilin 132021,China;College of Aeronautical Engineering,Jilin Institute of Chemical Technology,Jilin 132021,China)

机构地区：[1]辽源职业技术学院机电工程系,吉林辽源136200 [2]北华大学机械工程学院,吉林吉林132021 [3]吉林化工学院航空工程学院,吉林吉林132021

出　　处：《热加工工艺》2020年第5期83-86,89,共5页Hot Working Technology

基　　金：吉林省职业教育研究中心(2017ZCY194).

摘　　要：采用不同的浇注温度和旋转速度进行了M2-1.2Si新型数控刀具材料的铸造试验,并进行了耐磨损性能和组织的测试与分析。结果表明:随浇注温度从1450℃提高至1650℃,旋转速度从200 r/min提高至600 r/min,材料的磨损体积和平均晶粒尺寸先减小后增大,耐磨损性能先提升后下降。M2-1.2Si刀具材料的浇注温度优选为1550℃,旋转速度优选为400 r/min。当浇注温度为1550℃时,M2-1.2Si刀具材料的磨损体积和平均晶粒尺寸分别较1450℃铸造时减小了31.3%和26.4%;当旋转速度为400 r/min时,M2-1.2Si刀具材料的磨损体积和平均晶粒尺寸较200 r/min铸造时分别减小了29%和24.3%。The casting test of M2-1.2Si new NC tool material was carried out by using different pouring temperatures and rotating speeds, and the wear resistance and microstructure were tested and analyzed. The results show that the wear volume and average grain size of the material decreases first and then increases, and the wear resistance increases first and then decreases with the increase of pouring temperature from 1450℃ to 1650℃ and rotation speed from 200 r/min to 600 r/min.The optimized pouring temperature and rotation speed of M2-1.2Si tool material are 1550℃ and 400 r/min, respectively.When the pouring temperature is 1550℃, the wear volume and average grain size of M2-1.2Si tool material are reduced by31.3% and 26.4% respectively compared with those of 1450℃ casting. When the rotating speed is 400 r/min, the wear volume and average grain size of the M2-1.2Si tool material are reduced by 29% and 24.3%, respectively, compared with those of 200 r/min casting.

关 键 词：数控刀具材料 离心铸造 浇注温度 旋转速度 耐磨损性能 M2-1.2Si钢 

分 类 号：TG71[金属学及工艺—刀具与模具] TG249.4