BORING METHOD OF SEAMLESS STEEL TUBE BY INCLINED ROLL

BORING METHOD OF SEAMLESS STEEL TUBE BY INCLINED ROLL

PROBLEM TO BE SOLVED: To enlarge the possible manufactural length of a seamless steel tube. SOLUTION: In the boring method of the seamless steel tube by an inclined roll, a boring plug 2 is arranged so that the maximum diameter part 2a is positioned in a gorge part 1b of the inclined roll 1 having a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YAMAZAKI MOTOHARU, TAKAOKA TATSUO
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To enlarge the possible manufactural length of a seamless steel tube. SOLUTION: In the boring method of the seamless steel tube by an inclined roll, a boring plug 2 is arranged so that the maximum diameter part 2a is positioned in a gorge part 1b of the inclined roll 1 having a barrel type body to bore a stock billet 5. The boring plug 2, whose length of the forward part from the maximum diameter part 2a is shortened, is preferably used to bore the billet so that a distance from a boring starting point to the gorge part 1b in the boring plug 2 falls within a fixed value.