REGION MACHINING METHOD

PCT No. PCT/JP86/00369 Sec. 371 Date Mar. 16, 1987 Sec. 102(e) Date Mar. 16, 1987 PCT Filed Jul. 17, 1986 PCT Pub. No. WO87/00650 PCT Pub. Date Jan. 29, 1987.The present invention relates to an area cutting method for cutting the interior of an area (AR) by moving a tool along a plurality of offset...

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Bibliographische Detailangaben
Hauptverfasser:	DANAGA KUNIO, OONISHI YASUSHI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	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 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 TRANSPORTING
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Beschreibung
Zusammenfassung:	PCT No. PCT/JP86/00369 Sec. 371 Date Mar. 16, 1987 Sec. 102(e) Date Mar. 16, 1987 PCT Filed Jul. 17, 1986 PCT Pub. No. WO87/00650 PCT Pub. Date Jan. 29, 1987.The present invention relates to an area cutting method for cutting the interior of an area (AR) by moving a tool along a plurality of offset paths successively offset in an inward direction from a closed curve (AR) specifying the area. The area cutting method includes determining whether the area (AR) bounded by the closed curve (OLC) is to be divided, obtaining, if division is necessary, division suitability a division value for all sets of apices, in which any two apices form a set, by using an evaluation function indicative of a preset division suitability or value, dividing the area by a straight line connecting the two apices (P5, P7) of the set having the maximum suitability, executing similar processing for each divided area (PG1, PG2), deciding tool paths on the basis of the final divided areas, and performing area cutting by moving a tool along the tool paths.