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PL441428A1 - Rolling mill roll passes for rolling railway and tramway rails - Google Patents

Rolling mill roll passes for rolling railway and tramway rails

Info

Publication number
PL441428A1
PL441428A1 PL441428A PL44142822A PL441428A1 PL 441428 A1 PL441428 A1 PL 441428A1 PL 441428 A PL441428 A PL 441428A PL 44142822 A PL44142822 A PL 44142822A PL 441428 A1 PL441428 A1 PL 441428A1
Authority
PL
Poland
Prior art keywords
rolling
finished
railway
blanks
mill roll
Prior art date
Application number
PL441428A
Other languages
Polish (pl)
Inventor
Sylwester Żak
Dariusz Woźniak
Original Assignee
Arcelormittal Poland Spółka Akcyjna
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelormittal Poland Spółka Akcyjna filed Critical Arcelormittal Poland Spółka Akcyjna
Priority to PL441428A priority Critical patent/PL441428A1/en
Priority to EP23460020.3A priority patent/EP4289522A1/en
Publication of PL441428A1 publication Critical patent/PL441428A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • B21B1/0855—Rerolling or processing worn or discarded rail sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B13/04—Three-high arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Metal Extraction Processes (AREA)
  • Metal Rolling (AREA)

Abstract

Przedmiotem zgłoszenia przedstawionym na rysunku są wykroje walców stosowanych do walcowania szyn kolejowych i/lub tramwajowych zwłaszcza walców wykańczających przedgotowych i walców wykańczających gotowych charakteryzujące się tym, że wykroje powierzchni roboczej walców kształtujących dolną powierzchnię stopki szyny są wypukłe przy czym linie tworzące wypukłość wykroju walca są w miejscu ich styku zaokrąglone promieniem a wielkość wypukłości wykrojów walców liczona od linii prostej łączącej końce wykroju walca przeznaczonego do kształtowania stopki szyny jest w zakresie 0,5 mm do 2,0 mm dla wykroju walca przedgotowego i w zakresie 0,2 mm do 0,75 mm dla wykroju walca gotowego.The subject of the application presented in the drawing are roll blanks used for rolling railway and/or tram rails, especially pre-finished finishing rolls and finished finishing rolls, characterized by the fact that the blanks of the working surface of the rolls shaping the lower surface of the rail foot are convex, and the lines forming the convexity of the roll blank are in the place of their contact is rounded with a radius and the size of the convexity of the cylinder blanks, calculated from the straight line connecting the ends of the cylinder blank intended for shaping the rail foot, is in the range of 0.5 mm to 2.0 mm for a pre-finished cylinder blank and in the range of 0.2 mm to 0.75 mm for a finished cylinder blank.

PL441428A 2022-06-09 2022-06-09 Rolling mill roll passes for rolling railway and tramway rails PL441428A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL441428A PL441428A1 (en) 2022-06-09 2022-06-09 Rolling mill roll passes for rolling railway and tramway rails
EP23460020.3A EP4289522A1 (en) 2022-06-09 2023-05-22 Rolling mill roll for rolling railway and tram rails

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL441428A PL441428A1 (en) 2022-06-09 2022-06-09 Rolling mill roll passes for rolling railway and tramway rails

Publications (1)

Publication Number Publication Date
PL441428A1 true PL441428A1 (en) 2023-12-11

Family

ID=86904141

Family Applications (1)

Application Number Title Priority Date Filing Date
PL441428A PL441428A1 (en) 2022-06-09 2022-06-09 Rolling mill roll passes for rolling railway and tramway rails

Country Status (2)

Country Link
EP (1) EP4289522A1 (en)
PL (1) PL441428A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370877A (en) * 1980-02-04 1983-02-01 Sacilor-Acieries Et Laminoirs De Lorraine Rolling mill rolls
CN102049416A (en) * 2009-11-06 2011-05-11 攀钢集团攀枝花钢铁研究院有限公司 Roller as well as device and method for rolling steel rails
WO2011063935A2 (en) * 2009-11-26 2011-06-03 Tata Steel Uk Limited A method of rolling rails, apparatus for rolling rails and rail produced according to said method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490115A1 (en) * 1980-09-15 1982-03-19 Sacilor METHOD FOR PLACING CANNELS, CYLINDERS, CAGES AND ROLLING MILLS FOR A FINISHED UNIVERSAL OR SEMI-UNIVERSAL CAGE OF REFUSED PASSES FOR RAILS
CN201632479U (en) * 2009-09-14 2010-11-17 攀钢集团攀枝花钢钒有限公司 Pass of steel rail breaking-down mill roller
CN110180889B (en) 2019-05-08 2020-11-24 中冶东方工程技术有限公司 Orbital rolling production line and orbital rolling process using the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370877A (en) * 1980-02-04 1983-02-01 Sacilor-Acieries Et Laminoirs De Lorraine Rolling mill rolls
CN102049416A (en) * 2009-11-06 2011-05-11 攀钢集团攀枝花钢铁研究院有限公司 Roller as well as device and method for rolling steel rails
WO2011063935A2 (en) * 2009-11-26 2011-06-03 Tata Steel Uk Limited A method of rolling rails, apparatus for rolling rails and rail produced according to said method

Also Published As

Publication number Publication date
EP4289522A1 (en) 2023-12-13

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