METHOD OF CUTTING WORKPIECE WITH WIRE SAW, AND WIRE SAW

The present invention provides a method of cutting a workpiece efficiently with high accuracy by utilizing tension adjusters to approximate tension in a wire in a wire saw to a predetermined target tension while effectively reducing only tension in a winder-side wire. The method comprises a forward-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMURA, HIROYUKI, OHYA, JUN, FUKUMAN, MASARU, HAMASAKI, TATSUMI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BROACHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FILING GRINDING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING POLISHING SAWING SCRAPING SHEARING SLOTTING TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	The present invention provides a method of cutting a workpiece efficiently with high accuracy by utilizing tension adjusters to approximate tension in a wire in a wire saw to a predetermined target tension while effectively reducing only tension in a winder-side wire. The method comprises a forward-driven cutting step of cutting a workpiece 28 while moving a wire W forward, a first switching step of reversing a driving method of the wire W, a backward-driven cutting step of cutting the workpiece 28 while moving the wire W backward, and a second switching step of reversing a driving direction of the wire W and returning to the forward-driven cutting step, the steps being repeated in this order. In both switching steps, only tension in a winder-side wire is reduced by tension manipulators 18A and 18B. A reduction in target wire tension therefor is performed after completion of deceleration of the wire W in each switching step.