Drive system for a rolling mill

Details Drive system for a rolling mill Drive system for a rolling mill

2006-08-01

2006-08-01

Banks, Derris H. (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

C072S249000, C074S590000, C074S591000

Reexamination Certificate

active

07082799

ABSTRACT:
The invention concerns a drive system (1) for a rolling mill, especially for a cold pilger rolling mill with at least one roll frame (1) movable back and forth, at least one crank drive (3) which has a crank arm (4) with a counterweight (5) for at least partial compensation of the inertial forces produced by the mill frame (2), a drive (6) and a connecting rod (7) which articulates the mill frame (2) and the crank arm (4) with one another and at least one counterweight (8, 9) which is eccentrically rotatable and serves to compensate the inertial forces and/or the moments of inertia. To achieve an efficient balancing of the inertial forces with a simple construction of the drive system, the invention provides that at least one counterweight (8, 9) is rotatably driven by a separate rod (10, 11) independently from the drive (6) of the crank drive.

REFERENCES:
patent: 3335593 (1967-08-01), Zeunert
patent: 3337209 (1967-08-01), Kozhevnikov et al.
patent: 5224369 (1993-07-01), Rehag et al.
patent: 5540076 (1996-07-01), Baensch et al.
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patent: 63260608 (1988-10-01), None
Valchovny Trub Chomutov a.s. (cz technology, Sep. 2003).

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