STUDY ON DRAG REDUCTION PERFORMANCE OF RAKE FACE TURNING TOOL WITH VARIABLE CURVATURE SURFACE CONFIGURATION

CHEN XiaoFeng; XIE Feng; LEI XiaoBao; GENG Lin

doi:10.16579/j.issn.1001.9669.2024.01.005

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STUDY ON DRAG REDUCTION PERFORMANCE OF RAKE FACE TURNING TOOL WITH VARIABLE CURVATURE SURFACE CONFIGURATION

更新时间：2024-04-18

- STUDY ON DRAG REDUCTION PERFORMANCE OF RAKE FACE TURNING TOOL WITH VARIABLE CURVATURE SURFACE CONFIGURATION
- Journal of Mechanical Strength Vol. 46, Issue 1, Pages: 32-39(2024)
- 作者机构：
  
  1. 安徽大学电气工程与自动化学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.01.005
  CLC： TG71
- Published：15 February 2024，
- 稿件说明：
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CHEN XiaoFeng, XIE Feng, LEI XiaoBao, et al. STUDY ON DRAG REDUCTION PERFORMANCE OF RAKE FACE TURNING TOOL WITH VARIABLE CURVATURE SURFACE CONFIGURATION. [J]. Journal of Mechanical Strength 46(1):32-39(2024)
DOI：

CHEN XiaoFeng, XIE Feng, LEI XiaoBao, et al. STUDY ON DRAG REDUCTION PERFORMANCE OF RAKE FACE TURNING TOOL WITH VARIABLE CURVATURE SURFACE CONFIGURATION. [J]. Journal of Mechanical Strength 46(1):32-39(2024) DOI： 10.16579/j.issn.1001.9669.2024.01.005.

摘要

为了降低切削过程中的阻力，通过对河狸牙齿前刀面的构型分析，设计出了具有变曲率准线曲面构型前刀面的车刀。在0.15~0.5 mm背吃刀量下，选取4种前刀面构型进行仿真切削对比分析。仿真结果表明，余弦函数准线构型前刀面刀具的切削力相对于其他构型前刀面刀具的降低了3.5%~11.96%，并通过直角切削实验对仿真结果进行了验证。随后通过仿真实验对余弦准线函数进行参数优化，得出了切削力随周期和幅值改变的变化规律。优化结果表明：当背吃刀量与前刀面余弦函数准线一个周期的比值为40%左右时，减阻效果最为显著。所设计的变曲率构型前刀面车刀不仅有效降低了切削力，还为金属切削刀具的构型设计提供了新思路，具有较强的应用价值。

Abstract

In order to reduce the resistance in the cutting process

through the configuration analysis of the tooth rake face of beaver

a turning tool with variable curvature quasi-linear surface configuration was designed. In 0. 15-0.5 mm back cutting

four kinds of rake face configurations were selected for simulation cutting comparative analysis. The simulation results show that the cutting force of the rake face tool with chord function quasi-linear configuration is reduced by 3.5%-11.96% compared with the other rake face tools. The simulation results are verified by the right angle cutting experiment. Subsequently

the parameter optimization of cosine quasi-line function was carried out through simulation experiment

and the variation law of cutting force with the change of period and amplitude was obtained. The optimization results show that the drag reduction effect is the most obvious when the ratio of the back cutter amount to the front cutter area chord function is about 40% in one cycle. The variable curvature rake face turning tool designed in this study not only effectively reduces the cutting force

but also provides a new idea for the configuration design of metal cutting tools

which has strong application value.

关键词

仿生刀具变曲率构型切削仿真切削力减阻方法

Keywords

Bionic toolVariable curvature configurationCutting simulationCutting forceDrag reduction method

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