| 硬态干式切削GCr15时的临界硬度 |
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| 引用本文： | 刘献礼,孟安,陈立国,侯世香,李振加,袁哲俊.硬态干式切削GCr15时的临界硬度[J].机械工程学报,2000,36(3):13-16. |
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| 作者姓名： | 刘献礼 孟安 陈立国 侯世香 李振加 袁哲俊 |
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| 作者单位： | 1. 哈尔滨理工大学机械系哈尔滨 150080
2. 哈尔滨工业大学 |
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| 基金项目： | 国家自然科学基金资助项目(59975026). |
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| 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.
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| 关 键 词： | 硬态切削 干式切削 临界硬度 PCBN刀具 轴承钢 |
| 修稿时间： | 1999年5月7日 |
CRITICAL HARDNESS WHEN HARD-DRY CUTTING GCR-15 |
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| Liu Xianli Meng An Chen Liguo Hou Shixiang,Li Zhenjia.CRITICAL HARDNESS WHEN HARD-DRY CUTTING GCR-15[J].Chinese Journal of Mechanical Engineering,2000,36(3):13-16. |
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| Authors: | Liu Xianli Meng An Chen Liguo Hou Shixiang Li Zhenjia |
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| Affiliation: | Liu Xianli Meng An Chen Liguo Hou Shixiang Li Zhenjia (Harbin University of Science and Technology) Yuan Zhejun (Harbin Institute of Technology) |
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| Abstract: | Through the study on cutting force, cutting temperature 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. |
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| Keywords: | Hard cutting Dry cutting Critical hardness PCBN cutter Bearing steel |
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