300M超高强度钢高速切削过程仿真研究

张慧萍; 刘壬航; 李珍灿; 张庆宇

doi:10.13433/j.cnki.1003-8728.2017.1011

300M超高强度钢高速切削过程仿真研究

doi: 10.13433/j.cnki.1003-8728.2017.1011

1.
哈尔滨理工大学机械动力工程学院, 哈尔滨 150080

基金项目:

国家自然科学基金项目（51575145）资助

详细信息

作者简介:
张慧萍(1973-),副教授,博士,研究方向为高速切削及难加工材料切削加工技术,zhping302@163.com

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出版历程
- 收稿日期: 2016-11-27
- 刊出日期: 2017-10-05

Finite Element Simulation of High Speed Cutting Processing of 300M Ultra-high Strength Steel

1.
School of Mechanical Power Engineering, Harbin University of Science and Technology, Harbin 150080, China

摘要

摘要: 针对300M超高强度钢切削加工性较差的问题，通过有限元仿真技术对300M钢的高速切削过程进行研究。在相关试验数据的基础上，创建高速切削仿真模型，研究切削过程中切屑形态、切削区的应力分布，以及切削速度、刀具几何角度的变化对切削力、切削温度的影响规律。仿真结果分析表明：仿真数据与试验数据的变化趋势基本相同，切削速度增大，切削温度随之升高，切削力先升高后下降；前角角度增大，切削力和切削温度都较大程度下降，应力向刀尖与工件接触区集中；后角增大，切削力和切削温度略有下降，但变化幅度较小。
- 300M超高强度钢 /
- 切削加工性 /
- 有限元仿真 /
- 高速切削
Abstract: Aiming at the poor machinability of 300M ultra-high strength steel, the high speed cutting process of 300M ultra-high strength steel was studied by using finite element method. The cutting simulation model was established on the basis of the relevant experimental data. The chip deformation and the stress distribution of cutting area in cutting process were studied. The effects of the cutting speed and tool geometry on the cutting force and cutting temperature were also studied. The simulation results showed that the change trend of the simulation data were basically the same as the experimental data. The cutting temperature increased and the cutting force decreased following increased with the increasing of cutting speed. When the tool rake angle increased, both the cutting force and the cutting temperature decreased to a great extent and the maximum stress focused on the tip and the rake face. Both the cutting force and the cutting temperature slightly decreased when the tool back angle increased, but the extent of change was very small.
- 300M ultra-high strength steel /
- cutting machinability /
- finite element method /
- high speed cutting

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参考文献(16)

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