APPARATUS FOR REGULATING INTERSTAND TENSION OF STRIP IN CONTINUOUS COLD ROLLING MILL Russian patent published in 2003 - IPC

Abstract RU 2203752 C2

FIELD: plastic metal working, namely automatization of processes for cold reduction of strip in several stands with strip tension between stands. SUBSTANCE: apparatus for regulating tension includes meter for detecting fluctuation of strip tension relative to predetermined value; inlet of circuit for controlling screwdown mechanism of next stand and inlet of circuit for common control of speed of all next stands. Apparatus includes units for connecting inlet of circuit for controlling screwdown mechanism through first adder with outlet of meter and with inlet of circuit for common control of speed of all next stands. Unit for connecting with meter includes connected in series second adder and lag unit. Other inlet of first adder is connected with outlet of lag unit through second lag unit. Unit for connecting with circuit for controlling speed of all next stands includes in addition connected in series lag unit and real time differentiation unit. EFFECT: possibility for amplified stabilization of interstand tension. 5 dwg

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RU 2 203 752 C2

Authors

Braun A.E.

Pitkin A.N.

Sinajskij G.V.

Dates

2003-05-10—Published

2001-05-23—Filed