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2 129 673

(13)

(51)

IPC

(21) (22)

Application

92009828/06, 1992-12-02

(22)

Actual filing date

1992-12-02

(45)

Published

1999-04-27

(72)

Inventor

Tonkonogov V.Ja.Fedulov V.F.Tolstoukhov A.I.Monastyrshin M.Ju.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Metallurgicheskogo Mashinostroenija

CONTROL SYSTEM OF SCREW-DOWN MECHANISM OF ROLLING MILL Russian patent published in 1999 - IPC

Abstract RU 2129673 C1

FIELD: metallurgy engineering. SUBSTANCE: control system includes stepping motor connected with screw of helical gear train whose nut is built in slider connected with spring of helical gear train whose nut is built in slider connected with spring-loaded spool valve of throttling hydraulic distributor by means of pivoted back coupling lever. Lever is provided with knife-edge supports for engagement with spool valve of hydraulic distributor and with slider; is provided with two parallel longitudinal guides fitted in body of screw-down mechanism. EFFECT: enhanced reliability of screw-down mechanism and accuracy of its positioning. 1 dwg

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RU 2 129 673 C1

Authors

Tonkonogov V.Ja.

Fedulov V.F.

Tolstoukhov A.I.

Monastyrshin M.Ju.

Dates

1999-04-27—Published

1992-12-02—Filed