Wire electric discharge machine having compensation function for the deformation of the machine under load

Two contact detection jigs (20) are spaced apart and attached on a table (13) on which a workpiece (15) to be machined by a wire electric discharge machine is placed, and first, under a state serving as a reference, a reference distance (Xan) between these two contact detection jigs (20) is measured...

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Bibliographische Detailangaben
1. Verfasser:	KOUDA, HISANORI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TRANSPORTING WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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Beschreibung
Zusammenfassung:	Two contact detection jigs (20) are spaced apart and attached on a table (13) on which a workpiece (15) to be machined by a wire electric discharge machine is placed, and first, under a state serving as a reference, a reference distance (Xan) between these two contact detection jigs (20) is measured by bringing the wire electrode (14) into contact with these contact detection jigs (20). Subsequently, in a state of actual use, the wire electrode (14) is brought into contact with these contact detection jigs (20) in the same manner, so that an actual distance (Xbn) between these two contact detection jigs (20) is measured. Then, based on the difference between the reference distance and the actual distance, the amount of compensation is obtained to compensate an instruction for moving the wire electrode with respect to the table.