MANUFACTURE OF GROOVED TUBE

PURPOSE:To produce grooved tubes efficiently with reduced fluctuation from a long tube by providing roll cutters having different outer diameter on single shaft. CONSTITUTION:A long tube 9 is secured through a chuck 11 at predetermined position. Roll cutters 7, 8 of large and small diameter are secu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OZASA TAKASHI, YAMATO TATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BROACHING FILING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING PUNCHING METAL SAWING SCRAPING SHEARING SLOTTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To produce grooved tubes efficiently with reduced fluctuation from a long tube by providing roll cutters having different outer diameter on single shaft. CONSTITUTION:A long tube 9 is secured through a chuck 11 at predetermined position. Roll cutters 7, 8 of large and small diameter are secured to the rotary shaft 6 where a plurality of small diameter roll cutters 8 may be fixed. When rotating the rotary shaft 6 having roll cutters around the long tube 9, tubes 1 provided with grooves 1a through small diameter roll cutter 8 are cut off by the large diameter roll 7. When setting the distance between the roll cutters 7 and 8 to desired level, fluctuation of products is eliminated.