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JP2007210018A |
To enable a cost reduction through a long life and weight reduction/downsizing of a machine, by a decrease of reduction load. The thickness press machine 11 comprises metal dies 13 installed to pinch a slab 12 to be transferred from the ...
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JP3951410B2 |
To manufacture a steel plate at high yield without greatly changing existing equipment by using a slab of a larger unit weight and reducing scale loss and crop loss with a reversing type hot rolling mill. A coiler 7 for preventing interf...
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JP2007169672A |
To provide a method by which titanium scraps produced at both ends of a bloom or billet when forming the bloom or billet from a titanium or titanium-alloy ingot by means of hot blooming or further hot billet rolling can be recycled with ...
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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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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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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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JP2007513775A |
The invention relates to a method of rolling a strip-shaped in-process stock, in particular a metal strip, with which, a metal strip ( 3 ) is unwound from a coil ( 2, 7 ) held on an unwinding reel ( 1, 6 ), is fed into a reversing rollin...
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JP3911264B2 |
To provide a pickling device and a pickling method which have both high quality and high productivity of the strip ( slender piece ) of a hot-rolled sheet. The pickling device train of the hot-rolled sheet is composed of an uncoiler, inl...
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JP2007508941A |
Rolling mill (1) for warm rolling of metals, especially Al, including a hot strip roll chain, (3) with a blooming roll chain (4) and a finishing roll chain (5), where roll chain (5) is a tandem roll chain in which the material for rollin...
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JP3901436B2 |
To provide a method for reducing the time for connecting crude bars preventing a drop of a temperature of the bar. A roughing mill 1, a solenoid-type induction heater 3, a connector 4 and a finishing mill 5 are disposed in such an order ...
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JP3899607B2 |
To enable normal/defective quality of a weld zone to be decided automatically and also in a short time by detecting a voltage energized at each point of time while a pair of welding electrode wheels is rotatably moved and deciding whethe...
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JP3899442B2 |
To sufficiently enable hot scarfing all four faces even to billets of an oval shape. This hot scarfer is provided with two scarfing units 12 for planes, which are respectively arranged in positions in close proximity to two opposite plan...
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JP3886018B2 |
PURPOSE: To shorten a joining time, and to shorten the whole length of a rolling equipment by making the equipment the joining device of a rolling stock, which joins the rear end of a preceding rolling stock and the tip part of a succeed...
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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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