DOUBLING ROLL GROOVED PASSES, FOR EXAMPLE OF FINISHING DUO-STAND OF MILL FOR ROLLING RAIL AND STRUCTURAL STEEL Russian patent published in 2003 - IPC

Abstract RU 2197338 C2

FIELD: metallurgy, possibly rolling shapes with use of bearing cones. SUBSTANCE: shifting value of roll grooved passes in depending upon order of their operations is determined due to boring rolls according to given relation taking into account running-in degree of bearing cones at operation of first roll grooved pass. Invention provides enhanced surface for rolling rail head, increased strength of rolls due to lowered total asymmetry range at operation of one roll grooved pass and due to creating the same working conditions for all grooved passes. EFFECT: improved strength of rolls, enhanced quality of rails. 3 dwg, 1 ex

Similar patents RU2197338C2

Title	Year	Author	Number
PROCEDURE FOR CALIBRATION OF DUPLICATING SKEWED GAUGES	2009	Jur'Ev Aleksej Borisovich Mukhatdinov Nasibulla Khadiatovich Dorofeev Vladimir Viktorovich Karetnikov Aleksej Jur'Evich Dorofeev Sergej Vladimirovich Lapchenko Andrej Viktorovich Sapelkin Oleg Igorevich	RU2410171C1
FOUR-ROLL SET OF THREE-HIGH ROLLING STAND	1996	Sharapov I.A. Kravchenko E.L. Dorofeev V.V.	RU2100107C1
METHOD OF CALIBRATION OF INCLINED CALIBERS WITH ALTERNATIVE DIRECTION OF INCLINATION IN DUO STAND ROLLS FOR ROLLING OF RAILWAYS	2018	Yurev Aleksej Borisovich Golovatenko Aleksej Valerevich Dorofeev Vladimir Viktorovich Dobryanskij Andrej Vladimirovich Seregin Vladimir Aleksandrovich	RU2684126C1
ROUGHING PASS SYSTEM FOR ROLLING RAILWAY RAILS	2021	Dorofeev Vladimir Viktorovich Golovatenko Aleksej Valerevich Dobryanskij Andrej Vladimirovich Seregin Vladimir Aleksandrovich Pervushin Dmitrij Eduardovich	RU2784961C1
METHOD FOR CALIBRATING ROLLS FOR ROLLING RAILS	1999	Kuznetsov S.A. Sharapov I.A. Trynkin A.R. Kravchenko E.L. Katunin A.I.	RU2197339C2
METHOD FOR ROLLING OF ASYMMETRIC SECTIONS	2005	Dorofeev Vladimir Viktorovich Pjatajkin Evgenij Mikhajlovich Kravchenko Evgenij Loginovich Maramzin Valentin Semenovich Karetnikov Aleksej Jur'Evich Sharapov Igor' Aleksandrovich	RU2284872C1
TWO-ROLL FINISHING PASS FOR ROLLING OF RAILS	0	Kuznetsov Aleksej Fedorovich Sharapov Igor Aleksandrovich Kravchenko Evgenij Loginovich Dorofeev Vladimir Viktorovich Trynkin Aleksandr Rodionovich	SU1731305A1
METHOD OF ROLLING RAILS	2008	Dorofeev Vladimir Viktorovich Jur'Ev Aleksej Borisovich Karetnikov Aleksej Jur'Evich Stepanov Sergej Vladimirovich Mezentsev Andrej Vladimirovich Dorofeev Sergej Vladimirovich	RU2394660C2
METHOD FOR RAIL ROLLING	2016	Yunin Gennadij Nikolaevich Golovatenko Aleksej Valerevich Dorofeev Vladimir Viktorovich Dobryanskij Andrej Vladimirovich Stepanov Sergej Vladimirovich	RU2627140C1
ASYMMETRICAL TROUGH SHAPES ROLLING METHOD	2005	Dorofeev Vladimir Viktorovich Pjatajkin Evgenij Mikhajlovich Kravchenko Evgenij Loginovich Maramzin Valentin Semenovich Sharapov Igor' Aleksandrovich	RU2288046C9

RU 2 197 338 C2

Authors

Kuznetsov S.A.

Sharapov I.A.

Trynkin A.R.

Kravchenko E.L.

Dates

2003-01-27—Published

1999-02-22—Filed