METHOD FOR FRACTURE SPLITTING WORKPIECES, WORKPIECE AND LASER UNIT

The invention relates to a method for fracture splitting workpieces (1) and to a workpiece produced in accordance with such a method. According to the invention, for example the laser type, the pulse rate, the pulse duration, the workpiece material and/or the laser power are selected such that the d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GRUHLER, SIEGFRIED, KLEIN, JOACHIM, BREITHAUPT, WILLI, SCHOELLHAMMER, HORST
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING BROACHING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FILING FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING ROTARY BODIES OTHER THAN GEARING ELEMENTS SAWING SCRAPING SHAFTS SHEARING SLOTTING SOLDERING OR UNSOLDERING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to a method for fracture splitting workpieces (1) and to a workpiece produced in accordance with such a method. According to the invention, for example the laser type, the pulse rate, the pulse duration, the workpiece material and/or the laser power are selected such that the distance of the notch sections (6) is considerably larger than the notch distance (K) that would be computationally obtained from the feed rate (V) of the laser beam (12) and/or of the workpiece (1) and the pulse rate of the laser. The described feed modulation also enables the formation of oblique laser notches for rolling surfaces, as they occur, for example, in ball or roller guides. According to the invention, the feed rate is also modulated during laser machining depending on the workpiece geometry and/or periodically.