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JP2021087985A |
To provide a Joule heat metal rolling device that is rolled by low speed deformation while locally heating a pressure application part of a metal material, which is suitable for rolling manufacture of a transition metal carbide-containin...
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JP6881670B2 |
Provided is a method for rolling a steel sheet and a method for manufacturing a steel sheet capable of preventing occurrence of defects in appearance of a steel sheet caused by oil spots of a coolant and preventing occurrence of defects ...
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JP2021074780A |
To provide production equipment in a rolling mill area with a rotary clamp and a hot rolling production line.Production equipment in a rolling mill area with a rotary clamp comprises a rotary clamp device capable of lifting and rotation,...
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JP2021074779A |
To provide production equipment in a rolling mill area with a laser scribing positioner and a hot rolling production line.Production equipment in a rolling mill area with a laser scribing positioner comprises a laser scribing positioner ...
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JP2021074781A |
To provide production equipment in a rolling mill area with a push blade angle adjustable manipulator and a hot rolling production line.Production equipment in a rolling mill area with a push blade angle adjustable manipulator comprises ...
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JP6866958B2 |
To provide a composite hot-rolling roll and an outer layer material for a hot-rolling roll that have a wear resistance and fatigue resistance comparable to or higher than those of the related art and in which porosities and shrinkage cav...
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JP2021062375A |
To provide a wire rods manufactured by rolling, having a cross section of a polygon such as a triangle and a quadrangle, and formed with a concave pattern on the surface.The rolling method according to the present invention uses rolls fo...
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JP2021062403A |
To provide a mixed solution supply device which supplies rolling rolls with mixed solution in a rolling facility including a plurality of stands equipped with a pair of rolling rolls respectively.A mixed solution supply device includes: ...
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JP6857312B2 |
To provide a blooming roll and a method of manufacturing blooms, which enable obtainment of the blooms excellent in shape accuracy by solving the problem of a thrust force generated to the blooming roll in blooming for obtaining the bloo...
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JP2021053706A |
To provide a rolling mill that is capable of rolling at kilometer long and may be used in an ESP production line.There is provided a rolling mill capable of rolling at kilometer long used for an ESP production line. The mill roll compris...
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JP6852722B2 |
To provide a work roll for a hot-rolling rough stand having excellent properties of wear resistance, rough skin resistance, thermal crack resistance, and slip resistance.A work roll for a hot-rolling rough stand has an outer shell layer ...
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JP6842664B2 |
In a method of cooling a main roll, strength of a shaft and a peripheral portion thereof of the main roll is sufficiently secured, maintenance of the main roll is facilitated, and the shaft and the peripheral portion thereof of the main ...
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JP6840696B2 |
To provide a compound roll for rolling having an outer layer in which segregation of MC type carbide is suppressed and a crystallizing black lead amount is adjusted, and therefore being superior in wear resistance, surface roughness resi...
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JP6838441B2 |
To provide a backup roll for a rolling machine excellent in not only wear resistance but crack resistance.There is provided a backup roll for a rolling machine in which an outer layer comprising sintering a composite material of iron-bas...
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JP6837599B2 |
Provided herein are systems and methods for containing a viscous material, such as coolant, applied to cool a roll or a roll processed engineering material such as a metal strip. In particular, a viscous material containment system can i...
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JP2021028086A |
An apparatus and method uses a texture roll to roll a sheet that is hot and the yield strength of which is reduced. The texture rolling may be used to remediate defects in the sheet at a variety of stages in rolling, and may facilitate s...
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JP6828152B2 |
A cooling device (7) for cooling a roll (5) of a roll stand (1). The cooling device (7) includes a chilled beam (13) for receiving and discharging a coolant. The chilled beam (13) has multiple full jet nozzles (21) disposed on a discharg...
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JP6825463B2 |
To suppress centering failure and passing failure that cause a problem for a shaping technique such as making a deep wedge with a projection part in an acute angle tip shape on an edge surface of a material and sequentially bending flang...
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JP6820349B2 |
A method for rolling a product to be rolled (3), wherein the product (3) is fed through a rolling gap (11) between two working rollers (9, 10) of a roll stand (1) and a cooling lubricant is introduced into a contact zone (15, 16), in whi...
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JP6816482B2 |
To enable high responsive change of a lubrication state during a cold rolling.A rolling oil supply facility comprises: a nozzle by which rolling oil is supplied to a rolled material in an inlet side of a rolling mill and a work roll of t...
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JP6814291B2 |
The invention relates to a method for grinding the contour of the body (110) of a roll (100), in particular a roll having a roll contour having a steep curve course in a roll stand for rolling metal strip, having the following steps: spe...
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JP6813101B2 |
When an opposite direction shift for obtaining a required equivalent roll crown and a same direction shift for wear dispersion are used in combination, a difference occurs in the roll gap at both edge portions in the width direction of a...
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JP6813038B2 |
To provide a temper-rolling method of a metal plate capable of effectively preventing a defect and warping called corrugation easily caused when temper-rolling a cold rolled steel plate used for a can and an automobile.A temper-rolling m...
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JP6801546B2 |
To provide a restriction rolling device capable of enhancing productivity of a metal pipe usable as underground water removal work use.A restriction rolling device by the present invention comprises one or a plurality of finishing stands...
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JP2020535970A |
The present invention relates to a rolling apparatus (1) for rolling a rolled material (3) and a method for operating the rolling apparatus (1). The rolling apparatus (1) has two rolling stands each having a work roll (11) separated from...
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JP6794585B1 |
Strain is applied to the surface layer of the titanium material by cold rolling or warm rolling with a total rolling reduction of 1.0% or more using a rolling roll 5 having a roll diameter of 20 mm or more and 90 mm or less with respect ...
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JP6794416B2 |
To provide a compound roll capable of reducing powder cost and/or reducing the overall mass of the compound roll itself.A compound roll (20) includes a sintered inner core (22) formed of a first cemented carbide, and at least one sintere...
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JP6790303B2 |
Provided herein are systems and methods for containing a viscous material, such as a coolant, on a roll and/or a roll processed engineering material (e.g., a metal strip). In particular, a viscous material containment system can include ...
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JP6790973B2 |
To efficiently and stably manufacture an H-shaped steel product with a wider flange compared with a conventional one; and to suppress dimensional variation of a rolled material in a longitudinal direction thereof during rough rolling.Fiv...
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JP6787096B2 |
To provide a hot rolling method performing a hot rolling of a material to be rolled while supplying the inlet side of a roll bite with coolant water formed into a liquid droplet by using a hot rolling facility including a cooling device ...
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JP6787362B2 |
To provide a molding rolling method of a hat-shaped steel sheet pile capable of stably molding a joint part without additionally providing new rolling equipment.In a molding rolling method of a hat-shaped steel sheet pile for molding-rol...
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JP6781162B2 |
A compensation method of an asymmetric strip shape of a strip rolling mill, for compensating the asymmetric strip shape of a strip caused in a machining process of the strip rolling mill in the prior art. The compensation method is reali...
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JP2020163418A |
To prevent the deterioration of web center position accuracy that is likely to occur in universal rolling and improve the productivity and product quality of rolling shaping in an H-section steel production line using universal rolling.A...
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JP2020163417A |
To manufacture a hat-shaped steel sheet pile of a highly economical thin flange.In a rough rolling process, molding is conducted to form a cross-sectional shape of a rolling target material from a rectangular cross-section into a hat-sha...
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JP2020138218A |
To propose a cold rolling method that controls a friction coefficient between a metal strip and a work roll into a proper range in response to variations in material and dimensions of a metal strip or surface roughness of a work roll, an...
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JP6750487B2 |
To enable efficient change of a lubrication state during a cold rolling.A rolling oil supply facility comprises: an emulsion feeding device which feeds a rolled material in an inlet side of a rolling mill and a work roll of the rolling m...
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JP6747256B2 |
To reduce both horizontal and vertical roll loads of a mill for universal rolling in production of H-section steel, particularly to reduce a rolling load when a rolled material is tailed off in reverse rolling.There is provided a method ...
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JP6743606B2 |
To provide a temper rolling facility capable of preventing defect generation of a steel sheet; and to provide a cleaning method of the temper rolling facility.In a temper rolling facility, a valve for sending gas is provided in a pipe of...
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JP6734375B2 |
An apparatus and method for applying an EDT texture to an aluminum sheet has a rolling stand with at least one EDT surfaced roll capable of rolling the sheet at reductions <1%. The rolling is conducted with residual or no lubrication and...
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JP6716784B2 |
A stripping device (7) for a roll stand (1) includes a stripper carrier (15) and a stripper (17) arranged on the stripper carrier (15). The stripper (17) has a main body (19) produced from a fiber-plastic composite. The main body has a m...
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JP2020082163A |
To provide a temper rolling method and a manufacturing method for steel strips, in which a sufficient rate of elongation is imparted also to steel strips of high strength, and which allow manufacturing of steel strips that are superior i...
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JP6702266B2 |
To provide a compound roll for hot rolling particularly excellent in wear resistance and thermal fatigue characteristic and furthermore having no segregation of carbides even when producing by an economically-excellent centrifugal castin...
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JP6695428B2 |
A textured work roll can impart a desired texture on a metal substrate, such as an aluminum or aluminum alloy sheet. The textured work roll can be used for applying a gloss finish on the metal substrate. The textured work roll can be tex...
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JP6693388B2 |
To make it possible to supply rolling oil more properly in cold rolling so that the occurrence of a defect such as a seizure, a slip or the like may be more suppressed.A rolling oil supplying method in cold rolling to be performed while ...
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JP6680426B1 |
To provide a work roll for rolling capable of efficiently rolling while stabilizing the quality even if the rolling distance is advanced when performing temper rolling of a high-strength steel strip, and a temper rolling method using the...
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JP6673525B2 |
Provided are: a steel sheet which has excellent scratch resistance; a method for producing this steel sheet; and a secondary cold rolling mill. A steel sheet according to the present invention has an HR30T hardness of 68 or more and a sp...
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JP6672486B2 |
A lubrication device (1) for applying a lubricant when rolling a rolling material. The lubrication device (1) includes an extruded profile (3), through which run lubricant ducts (41) and at least one carrier medium duct (42), at least on...
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JP6669109B2 |
To provide a roll outer layer material for hot rolling which has an excellent rough surface resistance in such a manner that an abrasion resistance is assured and a crack depth of a roll surface and pit-like defects are reduced, and a co...
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JP6669044B2 |
To reduce both horizontal and vertical roll loads of a mill for universal rolling in production of H-section steel, particularly to reduce a rolling load when a rolled material is tailed off in reverse rolling.There is provided a method ...
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JP6658129B2 |
To provide a differential thickness material capable of suppressing changing to a wave shape.When rolling a differential thickness material by using a roll part 5 for a recess for forming a portion abutting on the recess, and a roll part...
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