李宏坤   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

MORE> Recommended Ph.D.Supervisor Recommended MA Supervisor Institutional Repository Personal Page
Language:English

Paper Publications

Title of Paper:基于增强型完全离散法的球头铣刀五轴加工稳定域建模方法研究

Hits:

Date of Publication:2019-12-05

Journal:机械工程学报

Included Journals:EI、PKU

Volume:55

Issue:23

Page Number:189-199

ISSN No.:0577-6686

Key Words:颤振;球头铣刀五轴加工;接触区域;增强型完全离散法

Abstract:基于坐标变换思想,精准高效地提取出球头铣刀五轴数控加工过程中与工件接触区域,利用增强型完全离散法获得铣削动力学方程的时序表达式,实现了效率和精度的共同兼顾,在单齿周期内球头铣刀视为圆弧切削的基础上,由刀刃与接触区域不同时刻的关系,确定出时域方程中所需要的瞬时切出角,借助于Floquet定理构建出了球头铣刀存在前倾角和侧倾角时的加工稳定域叶瓣图,并对其进行了有效性试验验证,试验结果与预测结果相符合,表明了该方法的正确性.

Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024
Click:    MOBILE Version DALIAN UNIVERSITY OF TECHNOLOGY Login

Open time:..

The Last Update Time: ..