DEVICE FOR CUTTING LARGE-DIAMETER TUBES WITH INTERNAL CENTERING Russian patent published in 2013 - IPC B23D21/14 

Abstract RU 2481926 C2

FIELD: process engineering.

SUBSTANCE: invention relates to production and repair of tubes. Proposed device comprises bed, cutting tool and rotary head. Said rotary head is coupled with cutting device and, via compensators, with said bed. Besides, this device comprises stiff threaded shaft, moving carriage to curcumnavigate in shaft thread, and spacer jaws with moving and stop rollers. Said pacer jaws are secured to bed and coupled with carriage. Stop rollers are arranged at 120 degrees relative to each other and perpendicular to tube wall.

EFFECT: higher accuracy and rate of centering.

2 dwg

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RU 2 481 926 C2

Authors

Zhernjak Sergej Vladimirovich

Zotov Sergej Nikolaevich

Dates

2013-05-20Published

2011-08-05Filed