Real-time tool wear compensation in milling EDM

被引：114
|
作者：
Bleys, P [1 ]
Kruth, JP
Lauwers, B
Zryd, A
Delpretti, R
Tricarico, C
机构：
[1] Katholieke Univ Leuven, Div PMA, Dept Mech Engn, Louvain, Belgium
[2] Charmilles Technol SA, Geneva, Switzerland
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2002年 / 51卷 / 01期
关键词：
electrical discharge machining; milling EDM; tool wear compensation;
D O I：
10.1016/S0007-8506(07)61489-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Accurate machining by milling EDM (i.e. CNC contouring EDM with a rotating cylindrical or tubular electrode) necessitates compensation of the tool electrode wear. Existing anticipated wear compensation is based on off-line tool wear simulation prior to machining. This can be combined with corrections based on periodical measurements of tool length during machining. Anticipated wear compensation involves an important restriction: an exact model of the blank geometry must be available in order to perform the tool wear simulation. This paper presents a new method of wear compensation. On-line estimation of tool wear is used for combining anticipated compensation with real-time compensation. This extends the scope of milling EDM to the machining of blanks of which the exact shape is not known in advance.
引用
收藏
页码：157 / 160
页数：4
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