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Electroforming of a Stereolithography Master Pattern for use as an Electro-Discharge Machine electrode

Research output: Contribution in Book/Report/ProceedingsConference contribution

Published

Publication date07/2000
Host publicationProceedings of the 33rd International MATADOR Conference: Formerly The International Machine Tool Design and Research Conference
PublisherSpringer-Verlag
Pages301-306
Number of pages6
ISBN (Print)1-85233-323-5
Original languageEnglish

Conference

Conference33rd International MATADOR Conference
CountryUnited Kingdom
CityManchester
Period13/07/0014/07/00

Conference

Conference33rd International MATADOR Conference
CountryUnited Kingdom
CityManchester
Period13/07/0014/07/00

Abstract

Electroformed EDM electrodes have been proposed and studied by a number of workers and have been found to be an acceptable method of construction. They have an excellent capability of copying minute surface details (<0.1 microns). However, much of teh work has been carried out using thick electroforms (in excess of 3 mm). Unfortunately, such electroforms take many days to produce. this paper examines the feasibility of using thin walled electroforms (<1.5 mm) for use as EDM electrodes that can be produced in copper in time-scales between 14 and 38 hours. Stereolithography models were used as mandrels on which to electroform the copper. Dimensional changes were monitored at each stage.