CURVED SURFACE MACHINING METHOD BY NC MACHINE TOOL

PROBLEM TO BE SOLVED: To machine a curved surface by means of a personal computer by determining a parameter value for calculating the individual position and vector of a curved surface through the use of a curved surface expression expressed by a specified expression and calculating a tool coordina...

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Bibliographische Detailangaben
Hauptverfasser:	OOHASHI TOSHINORI, KASHIWAZAKI CHIKAHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To machine a curved surface by means of a personal computer by determining a parameter value for calculating the individual position and vector of a curved surface through the use of a curved surface expression expressed by a specified expression and calculating a tool coordinate position and inclined vector to calculate NC data. SOLUTION: In accordance with curved surface expressions expressed by expressions I to III, the coordinate position of a control point, the weight of the control point and a knot vector are read in the case of the curved surface NURBS of the expression I, the coordinate position of the control point and the knot vector are read in the case of the B-spline curved surface of the expression II, the coordinate position of the control point is read in the case of the Be'zier curved surface of the expression III so as to determine 1 patch necessary for determining the machining position, etc., of a curved surface. Then, in order to calculate the individual machining position and vector of the curved surface, the parameter value is set, and the tool coordinate position and the inclined vector in the parameter value are calculated in consideration of the radius of the tool and residual stock removal quantity to calculate NC data.