超密齿面铣刀的铣削力波动特性及其影响

doi:10.12068/j.issn.1005-3026.2018.04.018

东北大学学报:自然科学版 ›› 2018, Vol. 39 ›› Issue (4): 543-548.DOI: 10.12068/j.issn.1005-3026.2018.04.018

超密齿面铣刀的铣削力波动特性及其影响

张俊，王拓，张星，赵万华

(西安交通大学机械制造系统工程国家重点实验室，陕西西安710049)

收稿日期:2016-11-10 修回日期:2016-11-10 出版日期:2018-04-15 发布日期:2018-04-10
通讯作者: 张俊
作者简介:张俊(1978-)，男，江西上饶人，西安交通大学教授，博士生导师．
基金资助:
国家自然科学基金资助项目(51171041).国家自然科学基金资助项目(51675417).

Cutting Force Fluctuation Characteristics of Ultra-Fine-Pitched Milling Cutters and Its Influence

ZHANG Jun， WANG Tuo， ZHANG Xing， ZHAO Wan-hua

State Key Laboratory for Manufacturing Systems Engineering， Xi′an Jiaotong University， Xi′an 710049， China.

Received:2016-11-10 Revised:2016-11-10 Online:2018-04-15 Published:2018-04-10
Contact: ZHANG Jun
About author:-
Supported by:
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摘要/Abstract

摘要： 提出了一种超密齿面铣刀概念，并推导了x和y方向的铣削力计算模型，分析了超密齿刀具铣削力及其波动规律.结果显示:随刀具的转动铣削力呈锯齿状变化，x向铣削力波动呈现两个山峰状，在三齿同时参与切削时波动最小.y向铣削力波动随初始切入角的增大先增大后减小，对比发现超密齿刀具铣削力波动远小于疏齿刀具.提出用单位体积材料所需切向铣削力大小来评价超密齿刀具和疏齿刀具性能.通过超密齿面铣刀的铣削实验验证了铣削力计算模型，并发现铣削力波动是影响工件表面粗糙度的因素之一，同时也反映出超密齿刀具的加工优越性.

关键词: 超密齿面铣刀, 铣削力, 波动特性, 切入角, 表面粗糙度

Abstract: Considering the low machining efficiency of traditional milling cutters， an ultra-fine-pitched milling cutter was developed， the cutting force models in the x and y directions were established， and cutting force and its fluctuation were discussed by using the model. The results showed that during the cutter rotation， the cutting force fluctuation along the feed direction increases at first and then decrease with the increase of entrance angle， and then repeats when it decreases to the minimum. For the cutting force fluctuation vertical to the feed direction， it increases at first then decreases with the increase of entrance angle. The results showed that ultra-fine-pitched milling cutter is far superior to coarse-pitched one. Furthermore， cutting force per material removal rate was put forward to evaluate the performance of two kinds of cutters. Experiments by using the ultra-fine-pitched milling cutter validate the cutting force model and indicate that force fluctuation has a great effect on the surface roughness of workpiece， which confirms the advantage of ultra-fine-pitched milling cutter.

Key words: ultra-fine-pitched milling cutter, cutting force, fluctuation characteristics, entrance angle, surface roughness

中图分类号:

TH161

张俊，王拓，张星，赵万华. 超密齿面铣刀的铣削力波动特性及其影响[J]. 东北大学学报:自然科学版, 2018, 39(4): 543-548.

ZHANG Jun， WANG Tuo， ZHANG Xing， ZHAO Wan-hua. Cutting Force Fluctuation Characteristics of Ultra-Fine-Pitched Milling Cutters and Its Influence[J]. Journal of Northeastern University Natural Science, 2018, 39(4): 543-548.

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超密齿面铣刀的铣削力波动特性及其影响

Cutting Force Fluctuation Characteristics of Ultra-Fine-Pitched Milling Cutters and Its Influence

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