Automatically tuned boring bar system

被引：9

作者：

Altintas, Yusuf ^{[1
]}

Lappin, Derry ^{[1
]}

van Zyl, David ^{[1
]}

Ostling, Dan ^{[2
]}

机构：

[1] Univ British Columbia, Mfg Automat Lab, Vancouver, BC V6T 1Z5, Canada

[2] Sandvik Coromant, Trondheim, Norway

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2021年 / 70卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Damping; Chatter; Boring; CHATTER SUPPRESSION;

D O I：

10.1016/j.cirp.2021.04.058

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper introduces a boring bar system which includes an automatically tuned internal vibration absorber, called a tuned mass damper (TMD). The TMD head can be attached to boring bars with a wide range of lengths. An electromagnetic impulse force actuator is developed to measure the frequency response function (FRF) of the boring bar with an integrated power screw. A portable servo motor is attached to the power screw for adaptive tuning of the vibration damper's stiffness. The measurement and tuning cycle is automated until the negative real part of the FRF is optimized to maximize the chatter-free depth of cut. The system is experimentally validated on boring bars with a wide range of length to diameter ratios. (C) 2021 CIRP. Published by Elsevier Ltd. All rights reserved.

引用

页码：313 / 316

页数：4

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