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WO/2015/045720A1 |
A centrifugally cast composite roll obtained by integrally welding an outer layer (1) formed by centrifugal casting and an inner layer (2) comprising ductile cast iron. The outer layer comprises an Fe-based alloy containing, by mass, 1.3...
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WO/2015/045984A1 |
Provided is a centrifugally cast composite roll for hot rolling in which: an outer layer (1) that is formed by centrifugal casting and an inner layer (2) comprising a ductile cast iron are integrated by welding; the outer layer has a che...
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WO/2015/045985A1 |
Provided is a centrifugally cast composite roll for hot rolling in which: an outer layer (1) that is formed by centrifugal casting and an inner layer (2) comprising a ductile cast iron are integrated by welding; the outer layer has a che...
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WO/2015/028370A1 |
The invention relates to a method and to an apparatus for controlling the temperature of rolls (3, 5, 7), in particular of the rolls (3, 5, 7) of a rolling stand (1). The rolling stand (1) has in principle working rolls (3), supporting r...
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WO/2015/018799A1 |
A compacting roller 10 for a head for laying fibres preimpregnated with resin is in the form of a cylinder of circular cross section having an external diameter D1, a length E and comprises, along one axis of the cylinder, an axial reces...
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WO/2015/019409A1 |
The purpose of the present invention is to produce a cold-rolled steel strip having no indentation flaws by adopting wet temper rolling, the cold-rolled steel strip being comparable in surface smoothness to the cold-rolled steel strip pr...
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WO/2015/018798A1 |
A compacting roller 10 for a head for laying fibres preimpregnated with thermoplastic resin consists of a cylinder having an external diameter D1, a length E and comprising, along one axis of the cylinder, an axial recess of diameter D2....
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WO/2014/191975A1 |
A wire-rod and the like, hot-rolling machine (1) wherein the two rollers (6) are fitted on respective frustoconical end portions (4a) of as many counter-rotating supporting shafts (4), via interposition of corresponding centring and coup...
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WO/2014/178437A1 |
A composite roll which has been produced by centrifugal casting and which is for use in hot rolling, comprising (a) an outer layer made of a cast iron which has both a chemical composition that contains, by mass, 2.5 to 3.5% of C, 1.3 to...
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WO/2014/168142A1 |
This method for producing a rolling roll (10) provided with a roll body member (13) at which a tinkered build-up layer (12) is formed at the outer periphery of a core (11) comprising Cr-Mo steel or carbon steel, and a Cr-Mo steel shaft (...
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WO/2014/162865A1 |
Provided is a method for manufacturing martensitic stainless steel for blades that can improve productivity by reducing the number of passes for the final cold rolling. In this method for manufacturing martensitic stainless steel for bla...
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WO/2014/151731A1 |
Rolling mill apparatus and methods of hot rolling with targeted lubrication are provided herein. A rolling mill apparatus having multiple roll stacks (A, B, C) may include a cooling fluid pump (10) and a lubricant pump (20) fluidly coupl...
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WO/2014/149989A1 |
A rolling mill apparatus and methods of hot rolling with targeted cooling. In one aspect, a mill having multiple roller stacks includes a cooling system that directs the bulk coolant flow to a heat exchanger having first and second heat ...
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WO/2014/150417A1 |
This application discloses cold rolled surfaces having a dulled gloss finish. The finish has a fairly uniform glossiness with a slightly matted appearance and with minimal directionality. The surfaces are prepared from work rolls having ...
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WO/2014/135316A1 |
A method of controlling a profile of a surface of one or more work rolls (8) of a rolling mill comprises supplying a cryogenic coolant (20) to a nozzle (23) at a substantially constant flow rate; and controlling (58) a gas supply (57) to...
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WO/2014/132628A1 |
Provided is an outer layer material for a roll for hot rolling in which the roll surface layer has excellent fatigue resistance and fatigue scratches and chipping do not readily occur. Also provided is a composite roll for hot rolling. A...
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WO/2014/104902A1 |
The invention refers to the method for regenerating and increasing durability of a mill roll, which is characterized in that lateral working surfaces (2) of a mill roll (1), having the width of 20 mm to 400 mm, are covered preferably by ...
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WO/2014/087304A1 |
Rolling roll comprising: a support (10) and an insert (11) made of sintered material wherby said support (10) is made entirely of a composite material containing carbon fibres or glass fibres.
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WO/2014/074160A1 |
A method for surface treating work rolls to produce isotropic textured aluminum sheet features indenting the surface of the working rolls that produce the sheet with spherical media such as steel ball bearings having the requisite proper...
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WO/2014/046211A1 |
This continuous rolling equipment (1) has rolling mills disposed in multiple stages and continuously rolls sheet material (2). First roll shift-type rolling mills (10) for controlling the body crown section of the sheet material (2) are ...
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WO/2014/044460A1 |
The invention relates to a method for operating a brush roll (1) on a roll stand (2), wherein the brush roll (1) comprises at least one rotating brush (3) which can be brought into engagement with a working roll (4) on the roll stand (2)...
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WO/2014/040413A1 |
Disclosed is a dynamically assisted textile dye pressing roller preventing uneven pressure from the centre to the edges. The roller comprises a hollow outer roller (4), wherein two ends of the outer roller (4) are mounted on a machine fr...
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WO/2014/041778A1 |
The present invention provides a hot-rolling composite roll and an outer-layer material for a hot-rolling roll having exceptional resistance to wear, resistance to thermal shock, and resistance to surface roughening. The outer-layer mate...
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WO/2014/037545A1 |
The invention relates to a flat product made of metal material, in particular a steel material, an advantageous use and a roll particularly suitable for producing such a flat product, and a method for producing such flat products. In ord...
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WO/2014/021248A1 |
A rolling mill (1) provided with upper and lower work rolls (2a, 2b), and support rolls (3a-3d) for supporting the upper and lower work rolls (2a, 2b). This invention is provided with: a cooling spray, arranged with nozzles (14b) for spr...
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WO/2014/013050A2 |
The invention relates to a guide roller comprising a bearing journal (13) at each of two ends. Each bearing journal is provided with a plain bearing (14), which is designed as a hollow journal, and can be connected to the coolant supply ...
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WO/2014/012770A1 |
The invention relates to a press roller for a roller press, in particular for briquetting, compacting or grinding granular material, having a roller core (1) and a coolable casing (2) fastened to the roller core (1), wherein a plurality ...
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WO/2014/010547A1 |
This composite roll comprises a steel roll shaft material, and an outer layer provided to the circumference of the roll shaft material. The outer layer includes a sintered compact containing: a matrix, which is an iron-based alloy; a fib...
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WO/2014/001024A1 |
The invention relates to a method for producing a composite roll (1), wherein a working layer (3) is created on a main body (2) by hot-isostatic pressing of a powder. To allow even large working rolls for hot or cold strip trains to be p...
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WO/2013/189657A1 |
The present invention relates to a spray device (11, 11', 12, 12') for lubricating and cooling the strip (2) and/or the air gap of a roll stand having multiple rolls, as well as to a method for removing/inserting said device from/into th...
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WO/2013/167674A1 |
The application is directed to a device (1, 1') for cooling a roll (2), in particular a working roll (2) for rolling rolling stock (3), wherein the device comprises a cooling shell (50, 60) which lies opposite at least one part region of...
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WO/2013/167642A1 |
The invention relates to a device (1) for cooling a roll (2), in particular a working roll (2) for rolling materials (3) to be rolled, comprising a cooling shell (50), which lies opposite at least one sub-region of the circumference of t...
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WO/2013/164469A1 |
The invention relates to a process for producing a centrifugally cast composite roll intended for last finishing stands in hot strip mills and its shell composition composed of (weight %); C: 2.5-4.0%, Nb: 1.1-6.0%, V: 0.7-3.0, Ni: 4.2-4...
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WO/2013/150950A1 |
A centrifugally cast composite roller in which an outer layer formed by centrifugal casting and an inner layer made from ductile cast iron are integrally welded, wherein: the outer layer has a chemical composition containing at least 0.8...
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WO/2013/129128A1 |
[Problem] When hot rolling a raw material having a circular cross section to obtain a steel product having a circular cross section, it has been, hitherto, difficult to modify the internal properties thereof by applying heavy reduction. ...
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WO/2013/120750A1 |
The invention relates to a device for lubricating the cylinders of a roll stand, in particular for roll nip lubrication in a roll stand for strip-shaped rolling stock. A mixture made out of water and oil is produced by means of a mixing ...
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WO/2013/120749A1 |
The invention relates to a method for lubricating the cylinders of a roll stand, in particular for roll nip lubrication in a roll stand for a roll band. A mixture made out of water and oil is produced by means of a mixing and spraying de...
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WO/2013/113853A1 |
The invention relates to a method for cladding a rotation symmetric steel rolling mill roll substrate with a wear and corrosion resistant metal coating, said coating comprising at least a first nickel alloy coating layer as an intermedia...
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WO/2013/108418A1 |
[Problem] To provide a method for manufacturing T-shaped steel and provide rolling equipment that can manufacture T-shaped steel with different flange widths without changing rolls. [Solution] The present invention has: a rough rolling s...
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WO/2013/092152A1 |
The invention relates to a method for cooling a roll (1), in particular a working roll (1) of a hot-rolling system, comprising the steps of feeding coolant (3) by means of a nozzle (5) into a gap (7) between at least a part of the roll s...
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WO/2013/077377A1 |
A centrifugally cast composite rolling mill roll obtained by metal junction of: an outer layer obtained from a cast iron having a chemical composition containing, on a mass basis, 2.7-3.5% C, 1.5-2.5% Si, 0.4-1.0% Mn, 3.7-5.1% Ni, 0.8-2....
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WO/2013/071867A1 |
Disclosed in the present invention is a rolling device used in 3D surface forming for plate or thin board rolling, which comprises a working roll (1), a supporting mechanism, an adjusting mechanism and a driving mechanism. The working ro...
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WO/2013/056889A1 |
The present invention relates to a stripper (11) for an operating roll of a rolling stand, in particular a hot-rolling stand, wherein the stripper (11) has a stripper tip (5) for making contact with an operating roll (1) of the rolling s...
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WO/2013/057914A1 |
Provided is a roll surface-layer material for hot rolling produced by centrifugal casting, the roll surface-layer material including a roll skin layer that has excellent fatigue resistance. The roll surface-layer material produced by cen...
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WO/2013/053507A1 |
Rolling apparatus, the apparatus comprising a pair of work rolls (5, 6) adapted to receive in a nip (4) between the work rolls, an article (3) to be rolled; an internal cooling source provided within one or more of the work rolls; and an...
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WO/2013/045604A1 |
A rolling stand for tubes or rounds comprising two or more rolls (10, 20, 30) defining a rolling section of the rolling stand that is coaxial to a rolling axis Y of the same stand, each roll having a respective rolling surface (S1 ) defi...
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WO/2013/041559A1 |
The present invention relates to a roll (101) for hot-rolling comprising a body, characterized in that at least a part of an envelope surface (104) of said body is made of a high speed steel that with reference to its chemical compositio...
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WO/2013/042528A1 |
Provided is a centrifugal casted composite roller that is for hot rolling and that results from depositing/integrating an inner layer comprising an iron-based alloy to an outer layer having a composition that contains, by mass%, 0.8-3.5%...
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WO/2013/042204A1 |
In order to reduce the diameter of the work rolls of a six-stage rolling mill and thus to enable rolling of a steel plate having unprecedented hardness and to enable rolling of a steel plate having conventional hardness but with a higher...
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WO/2013/030945A1 |
The purpose of the present invention is to provide a control device for a rolling plant, the control device capable of reducing the water injection amount by injecting cooling water at a timing at which the cooling efficiency is high whe...
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