• CN:11-2187/TH
  • ISSN:0577-6686

›› 2000, Vol. 36 ›› Issue (3): 13-16.

• 论文 • 上一篇    下一篇

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硬态干式切削GCr15时的临界硬度

刘献礼;孟安;陈立国;侯世香;李振加;袁哲俊   

  1. 哈尔滨理工大学机械系 哈尔滨工业大学
  • 发布日期:2000-03-15

CRITICAL HARDNESS WHEN HARD-DRY CUTTING GCr15

Liu Xianli;Meng An;Chen Liguo;Hou Shixiang;Li Zhenjia;Yuan Zhejun   

  1. Harbin University of Science and Technology Harbin Institute of Technology
  • Published:2000-03-15

摘要: 通过对不同硬度淬硬轴承钢GCr15的切削力、切削温度、已加工表面质量的切削试验研究,得到了被加工材料硬度对上述各量以及切屑形态、硬度、变形系数的影响规律,提出了临界硬度的概念,并得到了50HRC为区分硬态切削与普通切削GCr15的临界硬度。

关键词: PCBN刀具, 干式切削 临界硬度, 硬态切削, 轴承钢

Abstract: Through the study on cutting force, cutting temperature and machined surface quality of quench bearing steel GCr15 with vartious hardness, an influencing rule of the workpiece hardness on above parameters and chip state, hardness, deforming ratio is gained, the concept of critical hardness is put forward, and 50 HRC was confirmed as the critical hardness of hard cutting and common cutting.

Key words: Bearing steel, Critical hardness, Dry cutting, Hard cutting, PCBN cutter

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