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JP2007192603A |
To provide a method and a device for detecting level difference of a pass line automatically in real time. The level difference of the pass line is detected, based on the load current of electric motor of each roller at the time of trans...
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JP3943746B2 |
To provide a guide device for shape rolling mill capable of achieving size-free rolling and effectively performing roll change of a rolling mill, periodic maintenance, countermeasure at the time of causing misroll or the like. Upper and ...
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JP2007172013A |
To provide a counter for rods for easily and accurately counting the number of rods.The counter for rods is provided with an abutting face 28 abutted on top parts of a plurality of rods 18 arranged in parallel with each other, an operati...
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JP2007167958A |
To provide a mechanism of changing a guide of a shape rolling mill by which the guide for guiding and inducing a material to be rolled is quickly attached to and detached from the rolling mill by avoiding complicated structure.This mecha...
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JP3941699B2 |
To prevent a stock to be rolled from being touched or slid by fixed aprons and center guide rolls installed at the central area in the crosswise direction of the metal stock to be rolled of a width reducing device which reduces the width...
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JP2007160393A |
To provide a rolling method of stainless steel in a hot rolling line, which can bring the maximum effectiveness of cost or manpower, by applying the lubricant intensively to the sections apt to cause scratch marks in the hot rolling line...
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JP3935568B2 |
To provide a nose piece in a manner that it is closely approachable to a roll and usable even if the install space in the left and right widthside is limited. A pair of roller holders 2 supporting a main guide rollers 4 via a roller pin ...
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JP2007144475A |
To provide an induction heating device with which dissipation power can be reduced when eliminating skid marks by applying induction heating to steel heated with an atmosphere furnace.This device is an induction heating device 200 for he...
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JP3929147B2 |
To provide a winding apparatus by which a strip rolled to a prescribed thickness on the outlet side of a finishing mill and joined can be cut and wound by down-coilers, to manufacture product coils in the endless rolling of hot rolling j...
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JP3927536B2 |
To enhance productivity in a continuous hot rolling line of a steel strip or the like, and to suppress degradation of productivity as the speed is reduced when performing the treatment such as heating and descaling by reducing the transp...
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JP3928314B2 |
To precisely predict an extracting time (heating time) in a heating furnace to continuously heat a steel and to precisely heat a slab to a temperature suitable for rolling by saving energy. By comparing a pitch tp(a) of the predictable e...
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JP3925789B2 |
To provide a cooling method for a thick steel plate which prevents the buckling of the steel plate and destruction of equipment and produces a flat steel plate continuously and stably without C or L shaped curling. A gap between an upper...
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JP3926790B2 |
To provide a method and a device for guiding a steel material when rolling a bar in which a hot steel material while rolling a bar can reasonably and stably be guided to different lines separate in the height direction and the transverse...
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JP3924649B2 |
To execute the highly accurate tension control by estimating the tension just near a bridle roll at the existing side of the other equipment and deciding the loading tension in each roll constituting the bridle rolls based on this estima...
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JP2007125580A |
To provide an apparatus for suppressing a zigzag motion of a steel strip, which apparatus can surely suppress the zigzag motion of the steel strip without damaging the edge portion of the steel strip even when the control of an EPC appar...
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JP2007118031A |
To provide a pressing force-adjusting method for a pinch roll of a coil box in a hot rolling line which is capable of reliably preventing the meandering of a sheet bar to be recoiled from the coil box, a sheet bar meandering-preventing m...
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JP3914296B2 |
To surely detect whether a material exists on skid rails or not, by electrically insulating the selected skid rail from a stand in a material supplying equipment and arranging a measuring instrument for detecting the variation of electri...
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JP3915556B2 |
To provide a method for traversal movement of a rolled stock capable of preventing billets from generating bruises in caliber rolling, and especially to provide a method for arranging the rolled stock opposite to the caliber without easi...
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JP3914674B2 |
To take a measure by judging conveying anomaly of a rolled stock automatically in an early stage in a roughing-down mill which is used on a hot-rolling line for steel sheets or the like. Sensors are provided on the inlet side and outlet ...
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JP3909012B2 |
To make a roller holder have higher rigidity, while making the roller holder have the same thickness as conventional ones. A roller guide is provided with: a pair of roller holders 2b, which is arranged in an openable and closable manner...
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JP2007098431A |
To provide a winding/centering device of hot-rolling equipment with which occurrence of troubles such as miss roll is reduced by preventing a steel sheet from running on to a side guide.The steel sheet is prevented from lifting by pressi...
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JP2007100217A |
To provide a roller effective for conveying a hot material, which is excellent in build-up resistance even when used in an elevated-temperature atmosphere, e.g. in a heat-treatment furnace.The roller has a metal-carbide composite film co...
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JP3905666B2 |
To guide a rolled material into a groove of a rolling roll without causing twisting or scratch. This equipment can guide a rolled material smoothly into a groove by organically installing an entry guide 4 and an upper guide 5 sequentiall...
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JP2007092180A |
To provide a method for restraining the buildup on a roller for carrying a high temperature material, excellent in an effective buildup resistance, even in the case of use under high temperature atmosphere, such as in the heat treatment ...
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JP3903620B2 |
To provide a roll drive control method, a device therefor and continuous treatment equipment for a bandlike body capable of preventing a slip of the bandlike body due to roll diameter change etc. beforehand by providing a means concretel...
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JP3903630B2 |
To prevent a steel product from twisting and to reduce a quality defect by setting a transfer speed of a table roller to transfer the steel product slower than ejection speed of the steel product, moving the tip of the steel product in t...
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JP3903376B2 |
To obtain a bridle roll controller in which the generation of slip is suppressed, the generation of the slip is detected automatically, the roll after the slip is generated is automatically switched from torque control to speed control a...
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JP3900844B2 |
To provide an apparatus and a method for cooling a hot-rolled steel strip, by which even the steel strip without being applied with tension is stably strongly cooled on a runout table between the outlet side of the final finishing mill, ...
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JP3902080B2 |
To provide an overlaid guide member of excellent wear resistance to a slip velocity in an extensive range, and a method for manufacturing the guide member at a low cost. In the overlaid guide member of excellent wear resistance having an...
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JP3897669B2 |
To remarkably reduce the possessive number of guides, to impart guiding function of surely guiding a rolled stock into a rolling mill without having especially large-scale equipment and also to perform roll changing work of the rolling m...
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JP3899244B2 |
To make the high-efficiency reversible rolling of a steel bar possible. A pair of side guide pieces 21 for guiding the side parts of the steel bar are provided freely turnably on a horizontal plane and made into the state where one end o...
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JP3895803B2 |
To make it possible to easily control a tensile force applied by a strip by controlling rocking links by separate hydraulic cylinders and forming a base connecting the same as a torsional spring. First roll is almost stationally born and...
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JP3896110B2 |
To provide an in-line soaking method of a heated steel plate in which any temperature fluctuation such as skid marks is reduced to meet severe requests for fluctuation of the thickness and the material of a product by effectively perform...
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JP3895879B2 |
To simplify the management and handling of guide devices and to raise durability. A driving part 102 having hydraulic motors or the like is placed at a distance to the main body part 101 of a guide device arranged on the inlet side of a ...
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JP3894200B2 |
To provide a guide plate, which is used as an apron on a hot-run table or a rolling-mill delivery guide, secures a stable passing performance of a hot-rolled steel strip on a hot-run table, and further is made of a resin-based material e...
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JP3886754B2 |
To provide a rolled material transfer apparatus 1, which enables improvement of production efficiency for bar steel or the like. The rolled material transfer apparatus 1 is equipped with a first roller table 9, a second roller table 11 a...
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JP3887121B2 |
To prevent hang-down at the rear end part of a steel sheet by arranging plural points which are at the front tip position of the steel sheet to be oscillated on a conveying table, selecting these points according to the length of the ste...
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JP2007044706A |
To provide a method of manufacturing a steel material having excellent surface property capable of effectively reducing the generation ratio of scab which cannot be reduced by a conventional countermeasures.In the method of manufacturing...
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JP3884861B2 |
To improve a meandering correction ability and to reduce the wear of rolls by inclining meandering correction rolls with each other in the upright state of their axes to make a pair and arranging plural sets of these pairs in the feed pa...
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JP3881117B2 |
To improve the dimensional accuracy and yield of products by increasing the effect of preventing torsion of a rolled stock at the time of guiding. In this method, two-face-width part where the nodal parts of the rolled stock reduced with...
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JP3876715B2 |
To produce a high-quality product by preventing the generation of scratches and flushes on the surface by always smoothly guiding a rolled wire rod. A plurality of roller sets 31 composed of a pair of rotary rollers 30, 30 which are rota...
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JP3872723B2 |
To provide a threading guide for rolling plate with which deformation and breakage caused by over-heating can be prevented by improving the cooling efficiency with cooling water and restraining the calorific value of the threading guide ...
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JP2007000932A |
To improve driving performance of a guide roller in a roller guide for a rolling mill.A guide 10 for directing a hot rolled product along a path in the rolling mill includes at least one annular roller which is arranged so as to contact ...
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JP3862384B2 |
To provide an inlet guide having extremely high versatility by controlling a relative position between a strip steel stock and a forming roll in pipe roll forming. In the guide system, the position of a product to be formed and the posit...
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JP3863859B2 |
To provide a clamping device of a guide for rolling a steel bar which can enhance the space efficiency of a rolling facility, and at the same time, can realize the improvement of the efficiency of rolling work. The clamping device is com...
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JP3858788B2 |
To provide a layout of a heating furnace in a hot-rolling facility and an operating method with which an energy loss for raising the temperature of a slab according to the generation of chance loss in a DHCR (Direct Hot Charging Rolling)...
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JP3858807B2 |
To provide a cold tandem rolling mill which prevents surface defects of a metal strip such as heat scratches or pressing-in defects while rolling speed is maintained. The cold tandem rolling mill is provided with a plurality of auxiliary...
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JP3859842B2 |
To prevent the generation of flaws on a product by sliding a contacting part of a moving body on a locating/fixing member while the a low pressure fixed condition is maintained, holding always the load being applied even turning-over fro...
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JP2006334626A |
To provide a inserting method of a billet into reciprocating mills by which rolling work can be stabilized and in its turn productivity can be improved by automating the inserting operation of the billet into the reciprocating mills.This...
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JP3855424B2 |
To provide the pinch roll device by which hold down roll and top guide can be changed over in a very short time. The pinch roll device is equipped with lower roll 2 and upper roll 3 extending in the width direction of a strip 1 to be sen...
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