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20CrMnTi alloy steel was precisely cut by turning instead of grinding using a polycrystalline cubic boron nitride (PCBN) tool. Based on analysis of the form and mechanism of PCBN tool wear during the cutting process, the influences of different cutting parameters on tool life and surface roughness of workpiece were studied. The results show that the tool is subjected to diffusion, chipping and severe oxidative wear. Among those three elements of hard material cutting, both feed rate and cutting speed bring great influence to tool wear, and feed rate has great influence on the surface roughness of machined workpiece.

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采用聚晶立方氮化硼(PCBN)刀具,以车代磨对20CrMnTi合金钢进行精密切削加工。分析了切削过程中PCBN刀具的磨损形式和磨损机理,研究了不同切削参数对刀具寿命与工件表面粗糙度的影响。结果表明,切削过程中刀具发生了扩散、崩刃以及氧化磨损;在硬态切削三要素中,切削进给量和切削速度对刀具磨损量影响较大,切削进给量对工件表面粗糙度影响较大。

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苏君(1977—),女,河南南阳人,硕士,副教授,主要从事机械工程材料研究。

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苏君(1977—),女,河南南阳人,硕士,副教授,主要从事机械工程材料研究。

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苏君(1977—),女,河南南阳人,硕士,副教授,主要从事机械工程材料研究。

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PCBN刀具以车代磨加工20CrMnTi合金钢试验研究
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苏君 , 冯佩佩
矿冶工程杂志 | 材料 2023,43(4): 154-157
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矿冶工程杂志 | 材料 2023, 43(4): 154-157
PCBN刀具以车代磨加工20CrMnTi合金钢试验研究
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苏君, 冯佩佩
作者信息
  • 河南工业职业技术学院,河南 南阳 473000
  • 苏君(1977—),女,河南南阳人,硕士,副教授,主要从事机械工程材料研究。

Experimental Study on Cutting 20CrMnTi Alloy Steel with PCBN Tool by Turning Instead of Grinding
Jun SU, Peipei FENG
Affiliations
  • Henan Polytechnic Institute, Nanyang 473000, Henan, China
出版时间: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.033
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采用聚晶立方氮化硼(PCBN)刀具,以车代磨对20CrMnTi合金钢进行精密切削加工。分析了切削过程中PCBN刀具的磨损形式和磨损机理,研究了不同切削参数对刀具寿命与工件表面粗糙度的影响。结果表明,切削过程中刀具发生了扩散、崩刃以及氧化磨损;在硬态切削三要素中,切削进给量和切削速度对刀具磨损量影响较大,切削进给量对工件表面粗糙度影响较大。

超硬刀具  /  PCBN刀具  /  切削  /  20CrMnTi  /  以车代磨

20CrMnTi alloy steel was precisely cut by turning instead of grinding using a polycrystalline cubic boron nitride (PCBN) tool. Based on analysis of the form and mechanism of PCBN tool wear during the cutting process, the influences of different cutting parameters on tool life and surface roughness of workpiece were studied. The results show that the tool is subjected to diffusion, chipping and severe oxidative wear. Among those three elements of hard material cutting, both feed rate and cutting speed bring great influence to tool wear, and feed rate has great influence on the surface roughness of machined workpiece.

super-hard tool  /  PCBN tool  /  cutting  /  20CrMnTi  /  turning instead of grinding
苏君, 冯佩佩. PCBN刀具以车代磨加工20CrMnTi合金钢试验研究. 矿冶工程杂志, 2023 , 43 (4) : 154 -157 . DOI: 10.3969/j.issn.0253-6099.2023.04.033
Jun SU, Peipei FENG. Experimental Study on Cutting 20CrMnTi Alloy Steel with PCBN Tool by Turning Instead of Grinding[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 154 -157 . DOI: 10.3969/j.issn.0253-6099.2023.04.033
  • 2018年河南省科技发展计划(182102210266)
  • 2021年河南省科技攻关计划项目(212102210372)
2023年第43卷第4期
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doi: 10.3969/j.issn.0253-6099.2023.04.033
  • 接收时间:2023-02-15
  • 首发时间:2026-03-05
  • 出版时间:2023-08-01
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  • 收稿日期:2023-02-15
基金
2018年河南省科技发展计划(182102210266)
2021年河南省科技攻关计划项目(212102210372)
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    河南工业职业技术学院,河南 南阳 473000
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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