WORKING HOUSING OF THREE-ROLLER ROLLING MILL OF CROSS-HELICAL ROLLING Russian patent published in 1995 - IPC

Abstract RU 2038176 C1

FIELD: tube-rolling industry. SUBSTANCE: working housing of three-roller rolling mill of cross-helical rolling has bed-frame 1 with drop lid 3, that has shaft 4; working rollers 5, fixed on swinging levers, one of which is located in lid 3; hinges 9, connecting levers 6 with connection rods 8 of synchronization system; stationary stop, engaged with rod 11 of hydraulic cylinder of reverse action of rollers 5 pressing mechanisms; and synchronizing system stopper. Stopper is made in the form of hydraulic cylinder, rod 14 of which is shaft of lid 3 swinging lever, and butt of shaft of lid 3 dropping has boring to place hydraulic cylinder rod 14 during rollers change. EFFECT: working housing of three-roller rolling mill of cross-helical rolling is used in tube-rolling industry. 3 dwg

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RU 2 038 176 C1

Authors

Esakov A.V.

Ermolaev P.I.

Dates

1995-06-27—Published

1993-08-13—Filed