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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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JP2006341276A |
To provide a method and facilities for continuous rolling, by which method and facilities, excellent quality of products and an excellent yielding ratio can be achieved by preventing defects in a continuous rolling operation for manufact...
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JP3853214B2 |
A process for the production of industrial tubes or section bars from metal, such as copper, copper alloys, special brasses, cupronickel or aluminum bronzes, includes the following steps: melting the metal material with possible compatib...
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JP3849807B2 |
PURPOSE: To improve the passing property of subsequent rolling mills, to avoid the stop of a line, and to improve productivity by installing a shaping device shaping a projecting part in the width direction on the downstream side of the ...
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JP3846649B2 |
To prevent return in the inverse direction to the transporting direction of a slab during edging the slab and deviation in the vertical direction simultaneously and, furthermore, to prevent the buckling of the slab by providing recessed ...
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JP3843372B2 |
To provide a welding burr removing device for a band steel capable of efficiently removing burrs formed on a welded part which is formed by welding an end of a remaining band steel to a starting end of a new band steel when a coiled band...
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JP3844160B2 |
To prevent flattering at the rear end of a preceding rolled stock and to absorb speed difference between the transporting speed of the rolled stock and the speed of a truck. This equipment is a flying joining device 10 which is provided ...
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JP2006297480A |
To accurately predict the amount of scale-off in hot rolling of steel strips.The amount of the scale-off is calculated by subtracting the weight of a crop-cut portion of a sheet bar before finish rolling and the weight of a coil after ro...
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JP2006281286A |
To provide a method for determining a shape of a rolled material on a sizing press outlet side in a hot rolling line capable of rapidly detecting the twist of the rolled material on the sizing press outlet side with excellent accuracy wh...
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JP2006272427A |
To provide an edging method of a hot slab having high productivity by making the increase of the feed rate and the amount of edging between edging passes possible while preventing slip in the edging with a sizing press.This edging method...
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JP2006273611A |
To provide a ceramic masher roll in which the surface being in contact with a metallic band is formed of silicon nitride ceramicsis to excellently suppress the occurrence of seizure.The ceramic masher roll is used for flattening the flas...
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JP3826188B2 |
To provide a running joining truck device which can precisely guide the following rolled material guided to diagonally upward to a prescribed position toward the horizontal direction, finely adjust the overlapping size (press-welding wid...
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JP2006247678A |
To provide a method for driving a width reducing press apparatus for repeatedly performing the width reduction by driving a press die by means of a crank mechanism while intermittently feeding blank materials, which method can improve a ...
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JP3824515B2 |
To provide an electrode for welding which is used for a mobile jointing device for continuous rolling of a metal material, and capable of easily clamping the metal material and enabling stable welding connection. The electrode comprises ...
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JP2006239777A |
To provide an efficient manufacturing method of a hot-rolled steel sheet which is suitable to make the temperature on the outlet side of finishing fall in the target range over the entire length of a material especially in the case endle...
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JP3124237U |
To improve the quality of a metal product by realizing automation work of butting and transporting steel plates. A steel plate is accurately supplied by the action of a servomotor equipped in an autoloader mechanism and an auto unloader ...
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JP3806187B2 |
To reduce a pressure welding pretreatment time. This device is provided with a cutting mechanism 4 cutting and forming a pressure welding surface at the end part of materials P, P' to be joined and a grinding mechanism 5 grinding and fin...
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JP3807463B2 |
To provide a rolled stock threading device for flying joining devices with which a joining machine is moved at a high speed without using a large hydraulic device and pump and without bringing damage of guide rollers and the joining mach...
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JP2006198680A |
To provide a method for efficiently producing a cast-rolled material, related to the cast-rolled material cut to the prescribed length and a production method therefor.The production method for the cast-rolled material is characterized i...
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JP2006181602A |
To provide an apparatus for detecting the abnormality of a shape in hot rolling of a slab, which apparatus can detect the abnormality of the shape of the slab hot-rolled by the width pressing without the help of human-power.The apparatus...
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JP3796900B2 |
To surely detect the rotation of a slab pressing roller under severe working emvironment and, as a result, to automatically detect movement and stoppage of a slab. This device is provided with grooves 12 which are provided at fixed inter...
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JP3793512B2 |
To provide the arrangement of hot-rolling equipment and a hot-rolling method by which only the defective part in shape is removable as a crop piece by sufficiently raising temperature in dropped temperature part in the front and rear end...
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JP3794341B2 |
To provide a tube with a grooved inner face which is manufactured at high yield without causing break by a roll rolling method and a manufacturing method for it. A tube 1 which consists of copper or copper alloys, is an unannealed H-mate...
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JP3791075B2 |
To provide a rolled stock joining device with which a prescribed cutting is executed with a cutter driving motor having small output, thus, the driving motor is miniaturized, the cutter and the motor are easily connected and equipment is...
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JP3791051B2 |
To efficiently eliminate a clearance generated on each bearing and to prevent fault and noise by providing a connecting rod supporting means, a crank shaft supporting means and a pre-pressing means of applying the pre- pressure on a conn...
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JP3781128B2 |
PURPOSE: To reduce a lapping area required when the pressure welding of rolled stocks is performed. CONSTITUTION: The equipment consists of a cutting device 6 cutting the rear end of a preceding rolled stock 1a and the tip of a succeedin...
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JP3777814B2 |
To enable stable continued rolling by removing a recessed part which is generated by pressure welding. At the time of continuously executing finish rolling at high temp. by pressure-welding a preceding steel S1 and succeeding steel S2 wh...
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JP3777012B2 |
To enable a joined alloy material to be worked by continuos cold rolling by joining iron-cobalt alloy materials by means of high energy beam welding and forming a joined part composed of αBCC disordered phase without α'CsC1 type ordere...
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JP3774536B2 |
To correctly transmit a welding laser beam to a position of welding regardless of an optical strain caused by the heat of laser beam transmission optical system and transmission space. Before bringing in the hot rolled slabs 1, 3 to a po...
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JP3774957B2 |
To reduce the probability of occurrence of braking to two pieces on a steel strip just before the inlet side of pinch rolls by setting the drawing- down force of the pinch rolls just before the inlet side of a shear to be equal to the va...
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JP3774686B2 |
To provide a descaling method in hot rolling by which a scale type defect of the so-called red scale is prevented by removing the scale containing Si or the like which bites into an base iron in a wedge shape together with the scale of F...
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JP3772494B2 |
To suppress making the cross section in the width direction of a slab into a dog-bone shape and making the planar shape of the slab into a fish-tail shape. After cutting the slab 2 sent out of a continuous casting machine 1 into a prescr...
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JP3771869B2 |
To provide a continuous hot rolling equipment which prevents deterioration in quality and short longevity due to deterioration in precision of a draft sensor and deterioration of an O-ring, etc., for an oil supply coupler. This equipment...
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JP2006513037A |
Steel strip issues continuously from a downstream end of a rolling line and can be wound up there on a coiler. An inspection table downstream of the rolling line has a surface aligned with the downstream end and the strip emerging theref...
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JP3766576B2 |
To suppress the bends of a material after edging by properly centering a slab with side guides even in the case the variation of width and bends of the slab are large. In this device, an opening degree adjusting mechanism for presetting ...
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JP3765139B2 |
To rapidly exchange a cutter. In a rolled stock joining device with which the underside in the rear end part of a preceding rolled stock 1 and upside in the tip part of the succeeding rolled stock 2 are cut while traveling in the width d...
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JP3766538B2 |
To provide a running wheel for the truck of a joining device for continuous-rolling equipment, by which the wheel can be safely replaced in a short time without using wheel preventing tool and jack for wheel. In the truck for the joining...
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JP3763326B2 |
To provide a flying joining device with which the entire length of a traveling truck is shortened, joining by reducing flame pressure welding is stably realized and the bending inclination defect of a sheet is suppressed to the minimum. ...
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JP3758110B2 |
To prevent a piled up bead evolved on connecting parts by carrying out vertical surface machining to the connecting parts at their central parts of both the ends of a preceding rolling material and a following rolling material and chamfe...
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JP3759324B2 |
To provide a descaling device of a thickness press which is capable of surely removing from a slab surface a primary scale on a slab or a lower die and a secondary scale grown after removing the primary scale, and preventing degradation ...
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JP3757993B2 |
To easily perform the maintenance of the flying joining device without lowering the productivity of a rolling line. The rolling equipment is equipped with a cross-moving device 12 moving horizontally and laterally the flying joining devi...
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JP3758777B2 |
To provide a rotary cutting device for a hot plate material such that a hunting phenomenon is prevented from being induced in a resonance and under oil pressure control system of a machine system. A rotary cutter 1 is constituted so that...
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JP3753474B2 |
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JP3751290B2 |
A method of production of bar and rod products in continuous rolling mills by hot rolling discrete billets through roughing, intermediate and finishing mill sections, in which separate product lengths are welded end-to-end at a selected ...
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JP2006026808A |
To shorten the pass interval of a rough bar by shortening the cutting-off time of a crop shear in order to suppress the reduction of productivity due to a drop in the passing speed of the rough bar, when a rough bar induction heating app...
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JP3741499B2 |
To provide a cutter cooling device for a rooled material joining device, which is capable of efficiently cooling a cutter (especially cutter tips) of the rolled material joining device. With the cutter cooling device for a rolled materia...
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JP3732950B2 |
To make it possible to reduce an equipment cost and to ensure joining in spite of the presence of a difference in level, warpage and bending in the butt surfaces of a preceding steel strip and a succeeding steel strip by easily and rapid...
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JP3731962B2 |
To produce a rail reduced in camber and controllable in residual stress by applying at least one or more treatments of descaling, cleaning, defatting, lubricant coating to the surface of a head part or the bottom of the rail between a be...
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JP2005538850A |
An apparatus for and method of manufacturing lithium or lithium alloy anodes for electrochemical cells by a lamination process wherein a lithium or lithium alloy sheet is reduced into a thin lithium or lithium alloy film. The method and ...
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JP2005349420A |
To provide a device for processing an edge of a plate stock, which processes corner parts of the side ends of plate stocks different in material kind or plate thickness into a curved face shape substantially free from ridgeline, and whic...
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