Control Strategy for Electrical Discharge Machining (EDM) Pulse Power Generator

被引：0

作者：

Ade Erawan, Minhat ^{[1
]}

Nor Hisham, Khamis ^{[1
]}

Azli, Yahya ^{[1
]}

Trias, Andromeda ^{[1
,2
]}

Kartiko, Nugroho ^{[2
]}

Nor Liyana Safura, Hashim ^{[2
]}

Nazriah, Mahmud ^{[2
]}

Razak, M. ^{[3
]}

机构：

[1] Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia

[2] Univ Teknol Malaysia, Fac Biosceinces & Med Engn, Skudai 81310, Johor, Malaysia

[3] Univ Teknol Malaysia, Fac Mech Engn, Skudai 81310, Johor, Malaysia

来源：

MECHANICAL AND MATERIALS ENGINEERING | 2014年 / 554卷

关键词：

Electrical Discharge Machining; Pulse Power Generator; Gap Current; Gap Voltage;

D O I：

10.4028/www.scientific.net/AMM.554.643

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Electrical Discharge Machining (EDM) is a advanced machine that can control electrical spark to erode metal on the workpiece. In manufacturing, EDM is used on hard material parts that are extremely difficult to machine by conventional machining processes. EDM system consists of a shaped tool and the work piece, which are connected to a power supply and placed in a dielectric fluid. EDM pulse power generator applies voltage and current pulses between the electrode and workpiece to generate sparks through the gap. To obtain the optimum metarial removal rate (MRR), a good alternative is to improve the gap voltage and gap current. A proposed solution to these issue is combining ultracapacitor bank to the main power supply circuit for EDM machines. The control feedback of this research is designed to make sure that the current on DC bus is maintained at current setting during the machining processes.

引用

页码：643 / +

页数：2

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