专利名称：Method for drilling a hole
发明人：KULLEN, JOHANNES,FURCH, GERHARD申请号：EP91105721.4申请日：19910411公开号：EP0452798A3公开日：19920624
专利附图：
摘要：A method of deburring and removing the chips from holes is described. Themethod can be used in particular in series production, preferably when deep intersectingholes or deep holes leading into one another have to be produced, e.g. in drive units anddoor closers with a hydraulic or pneumatic circuit. The invention consists in the hole first
of all being rough-drilled by a cutting action and then being re-worked by erosion for thepurpose of removing the chips and deburring. The erosive re-working of the hole (2) iseffected by means of an erosion electrode (10). In the process, the burr (3a) and the chips(7) are removed by erosive action.
申请人：GEZE GMBH & CO.
地址：SIEMENSSTRASSE 21-29 POSTFACH 13 63; W-7250 LEONBERG,Postfach 13 63 D-71226 Leonberg DE
国籍：DE
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