TOOL DIMENSION DETERMINING DEVICE FOR MACHINING CURVED SURFACE

PURPOSE:To enhance machining efficiency and accuracy by operating a tool dimensions corresponding to the curvature of a tool nearest that of a machining point in the tolerance of tool dimensions in the relationship between the tool dimensions and tool curvature based on the normal line information o...

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Bibliographische Detailangaben
Hauptverfasser:	HAYAKAWA YOSHIZO, GOTO AKIHIRO, KIMURA ROKURO, OKURA KAZUTAKA, KUWANO YOSHIMASA, TERAMOTO KAZUNARI, ITO ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR MILLING PERFORMING OPERATIONS 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:	PURPOSE:To enhance machining efficiency and accuracy by operating a tool dimensions corresponding to the curvature of a tool nearest that of a machining point in the tolerance of tool dimensions in the relationship between the tool dimensions and tool curvature based on the normal line information of the machining point. CONSTITUTION:Firstly the curvature normal line of a machining point or tangent information additionally is operated based on the shape information of the curved surface of a workpiece by an operating means. In the next step, (l) kinds of the tool dimension (b) are selected in order, and on the other hand, the tolerance of the tool dimension (a) in which the curvature of the portion 6 used for machining tools becomes over the curvature of the machining point is limited, and the tool dimension (a) corresponding to the curvature of the tool which is nearest the curvature of the machining point in this tolerance is determined from the relationship between the tool dimensions and the curvature of the tool, that is, the registered data of (a) in relation to (b) based on at least the normal line information for determining the optimum dimensions (a) and (b). Machining efficiency and machining accuracy can thus be enhanced.