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JP7347722B1 |
Provided is a friction stir welding method for electromagnetic steel strips, which can suppress the occurrence of breakage of a coil joint on a production line due to deterioration of mechanical properties or shape of the coil joint whil...
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JP7347723B1 |
Provided is a friction stir welding method for electromagnetic steel strips, which can suppress the occurrence of breakage of a coil joint on a production line due to deterioration of mechanical properties or shape of the coil joint whil...
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JP2023127690A |
[Problem] To provide a metal strip that can reliably temper the welded part after mash seam welding of the metal strip, reduce the hardness difference between the base metal part and the welded part, and prevent plate breakage in a conti...
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JP7343819B2 |
A facility cost and a remodeling cost can be reduced, and further, a steel sheet pile product with high dimensional accuracy is produced by suppressing occurrence of warpage of a material to be rolled during bending. There is provided a ...
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JP7340677B1 |
[Problem] Even in the case of products whose properties are not uniform over the entire length (tip, middle, and rear end), by applying uniform deformation from the side, it is possible to produce threaded reinforcing bars that are free ...
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JP7327675B2 |
A data collection device according to one aspect of the present invention comprises: a first data acquisition unit that acquires rolling performance data at each of a plurality of different positions in a rolling direction of a material ...
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JP2023113155A |
To provide a method for manufacturing a hat-shaped steel sheet pile which suppresses deformation of a crop part and can suppress defective biting while suppressing occurrence of flange waves.A method for manufacturing a hat-shaped steel ...
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JP2023534914A |
A metal joiner system includes a power supply and a metal joiner. The metal joiner includes a cleaning header, a cutting header, a joint header, and a joint finisher, each of which is communicatively coupled to a power source. The cuttin...
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JP2023108212A |
To propose a steel strip joining method which prevents a weld zone from breaking in the middle of plate passing, and shortens processing time as much as possible.Temperature of a weld zone is measured after welding a rear end of a preced...
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JP2023532596A |
The metal strip (1) processing facility comprises a welding machine, a strip storage located downstream of the welding machine, and a processing device located downstream of the strip storage. Using a welding machine, the metal strip (1)...
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JP7308358B2 |
An efficient straight through medium-heavy plate production line of double rack and double shearing line and a production method are provided. The medium-heavy plate production line comprises: a main rolling line, at least two parallel s...
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JP7294233B2 |
To highly accurately estimate a width reduction load in a width reduction press device in a hot rolling line.A width reduction load estimation method for use in a width reduction press device, in a hot rolling line including a heating fu...
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JP2023076277A |
To provide a steel strip continuous treatment facility, a steel strip continuous treating method, a steel strip, and a steel strip manufacturing method, capable of improving the production efficiency of a steel strip.A steel strip contin...
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JP7284612B2 |
To provide a metal rolled sheet suitable for cutting out a metal product excellent in balance between resistance to rupture caused by an oil pit and durability to bending.The metal rolled sheet in a rectangular shape has a side extending...
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JP7277753B2 |
To provide a new and improved device for removing steel plate surface flaw introducible without involving a change in an existing line, and capable of highly accurately removing steel plate surface flaw.A device 100 for removing steel pl...
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JP7277747B2 |
To provide a method for producing a cold rolled steel sheet in which edge cracking occurrence is efficiently restrained, and to provide a pressing device for restraining the edge cracking occurrence on the steel sheet.A production method...
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JP7266752B2 |
A dual pre-stacking system of steel plates for a single cutting line and a stacking method therefor. The dual pre-stacking system comprises: a cooling bed inspection stand, a crop shear with a cut-to-length function, a bilateral shear, 1...
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JP2023059823A |
To provide a method and an apparatus for edging a hot slab which can suppress occurrences of buckling and conveyance failure of a hot slab even when a trouble incapable of being operationally predicted occurs.A method for edging a hot sl...
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JP2023046575A |
To provide a width reduction control device and a method therefor which prevent a press load in the vertical direction due to slab torsion from a stationary part to a tail end part of a slab from becoming a state of an excessive load exc...
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JP7245366B2 |
A method for fixing a strip end segment of a metal strip wound into a coil to a strip winding of the coil arranged adjacent to the strip end segment. In order to enable the production of metal strip with improved quality, the strip end s...
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JP7224534B2 |
The present invention relates to an intermediate blank connection system for hot-rolled strip headless rolling and a connection method, and belongs to the technical field of intermediate blank connection for strip steel headless rolling....
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JP2023018813A |
To provide a determination method of a hot slab width reduction which can determine whether it becomes a width reduction defective slab by torsion before performing width reduction.A torsion determination method of a hot slab width reduc...
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JP2023019683A |
To provide a detection device and a detection method in which shearing abnormality and trim chip progress failures in a trimming process of a metal strip are detected accurately at an early stage.Provided is a device for detecting a trim...
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JP2023016724A |
To provide a method for manufacturing a metal band material that rolls a band material from a slab 3 using a plurality of rolling stands 2 in a rolling line, and connects individual partial slabs to be rolled from the individual partial ...
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JP2023016725A |
To provide a method for manufacturing a metal band material that rolls a band material from a slab 3 using a plurality of rolling stands 2 in a rolling line 1, and connects individual partial slabs to be rolled from the individual partia...
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JP2023016726A |
To provide a method for manufacturing a metal band material that rolls a band material from a slab 3 using a plurality of rolling stands in a rolling line, and connects individual partial slabs to be rolled from the individual partial sl...
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JP2023016723A |
To provide a method for manufacturing a coil 1 of a metal band material that rolls a band material from a slab using a plurality of rolling stands in a rolling line, and then winding the coil 1 by a coiler, which can provide a coil of a ...
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JP2023502089A |
The invention relates to a method for the operation of installations of the steel industry for the production of metal products with the involvement of separating or forming devices. According to the invention, it is intended for the met...
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JP7188362B2 |
To provide a pinch roll device, a sizing press device and a method for conveying steel material each of which enables both an upper pinch roll and a lower pinch roll to surely convey steel material by surely avoiding a situation in which...
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JP7126076B2 |
A cold-rolled steel strip manufacturing facility 1 includes a joining device 12 that joins the trailing end of a preceding steel strip and the leading end of the following steel strip to form a joined steel strip S, a looper 13 that stor...
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JP2022124213A |
To provide a laser cutting method for a steel strip and laser cutting equipment for a steel strip, enabling suppression of fracture of a steel strip at a weld zone even when fragile material or high-alloy material is cut using laser ligh...
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JP7111898B2 |
The invention relates to a method for welding two hot metal products together, preferably for subsequent quasi-continuous hot rolling. According to the method, the metal products to be welded together are first cropped at the end faces t...
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JP7106991B2 |
To provide a roll capable of suppressing positional deviation of the material to be treated from an overlay part.The roll(1) comprises lateral faces(12,13) and an outer peripheral surface(11) connected to the lateral faces(12,13). The ou...
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JP7095071B2 |
A process for the endless or batch production of strips and plates of hot-rolled steel, with thickness from 0,6 mm to 50 mm, comprises the continuous casting (1) with liquid core reduction of a thin slab (S) having a minimum thickness of...
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JP2022081819A |
To provide a method for automatically measuring crop length capable of automating measurement of crop length.A method for automatically measuring crop length according to an embodiment includes the steps of: generating time-series operat...
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JP7059996B2 |
To provide a method for forming a hole for detecting a position of a metal strip, capable of detecting the position of the metal strip in a transport direction while suppressing breakage of the metal strip during transportation.The metho...
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JP7010388B2 |
A burr removal device with which it is not necessary to assemble components including a deburring blade on-site at a location between conveying rollers, and with which the deburring blade can be replaced in a short time is provided.A bur...
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JP6997859B2 |
Device and method for the friction welding of warm metallic products such as strips and/or slabs, in particular thin slabs, comprising a conveying device for at least two strips and/or slabs (i, i+1) arranged one behind the other and a p...
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JP6996575B2 |
To provide a cold rolling method enabling steel strips to be continuously cold-rolled without causing rupture in a weld zone between the steel strips.A cold rolling method is provided, including a cold rolling step of performing cold rol...
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JP6992898B2 |
Provided are a method for grinding a steel billet, a method for manufacturing steel bar, and a method for manufacturing wire rod, with which surface defects can be reduced further while suppressing a deterioration in productivity. This m...
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JP6991232B2 |
A combined continuous casting and endless rolling plant for a metal strip, comprising—a continuous casting line (1) for casting a slab; —a first rolling mill (6) for roughing the slab and for obtaining a transfer bar; —a second rol...
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JP6988437B2 |
To provide a cast piece molding method capable of reducing a width size of a cast piece which depends upon a mold size of a continuous casting machine while suppressing a seam flaw from being generated in a cast piece surface layer.A cas...
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JP6988849B2 |
To provide a device and method for slab joint capable of preventing deposition of molten steel on the lower part of a joint clamp, to provide a continuous hot rolling facility and method, and to provide a device and method for production...
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JP6981441B2 |
To provide a slab joint device in continuous hot rolling, preventing a molten steel deposition on a clamp for joint, a slab joint method using the joint device, and a production method for a hot rolled steel sheet using the joint method....
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JP6970290B2 |
A method for cutting a cast strand or intermediate strip using shears. In order to facilitate improved rolling of the section having significantly reduced thickness, the method according has the following steps: a) bringing part of the c...
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JP6970818B2 |
A method for continuously hot rolling a nonjoining-material high grade steel is disclosed. A method for continuously hot rolling a nonjoining-material, according to one embodiment of the present invention, comprises the steps of: melting...
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JP2021169117A |
To provide a slab cutting device having a constitution capable of suppressing the generation the bending of a slab and surface flaws without tilting a rear face roller table.A slab cutting device 100 comprises: a slab cutting machine 1 c...
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JP6939822B2 |
To provide a steel strip side trimmer which can shear width direction both edges of a steel strip without occurrence of a protrusion on a back face of the steel strip so as not to occur trim indentation flaw on a product surface, a steel...
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JP6930678B1 |
After forming a notch at the end of the joint in the plate width direction, when removing at least a part of the notch by grinding, the steel strip has an excellent effect of suppressing chatter vibration and can suppress a decrease in t...
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JP6915595B2 |
To provide a width reduction method for a slab, which is able to improve efficiency in reducing the width of the slab over the entire length thereof by means of a sizing press.A width reduction method for a slab 2, using a pair of dies 3...
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