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JP2004122165 |
To provide a flat square wire manufacturing apparatus which can prevent meandering of an incoming wire material and manufacture the flat square wire with a highly precise dimensional accuracy.The flat square wire production apparatus man...
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JP2004114080 |
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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JP3537614 |
To provide a transporting device and method for continuing the operation of rolling by transporting a rolling material between rolling roll stands at the time of changing the driving system of the roll stands of a tandem mill. This devic...
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JP2004090006 |
To improve the stability on the control of a looper motor by adopting a variation in looper angle θ.The looper angle θ outputted with an integrator 15 is inputted and its cosine value COSθ is outputted to a multiplier 23 with a cosine...
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JP2004090019 |
To always accurately guide a rolling mill by preventing the wear of pressing surfaces between a roller holder and a center distance adjusting member.A wear-resisting plate 32 restraining the rotation is inserted between a pressure screw ...
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JP2004084030 |
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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JP2004088864 |
To provide a motor drive for rolling line capable of continuous operation even if one inverter device is failed and stopped.This motor drive comprises a converter for converting an AC input into DC, an inverter for converting the output ...
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JP2004066318 |
To provide a method and a device for setting a finishing side guide installed on a hot rolling line.The width of the finishing side guide is adjusted on the basis of width information when: the shape of the nose crop in the nose part of ...
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JP2004058143 |
To secure the stability in the threading of a hot-rolled steel strip while increasing threading speed.A facility for manufacturing rolled steel strips is provided with: a final finishing rolling mill 1 for manufacturing a steel strip 2 h...
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JP2004058146 |
To provide a hot-rolling method and a hot-rolling line by which crystal grains are further microfabricated.In a hot-rolling method, when repeatedly performing bending work in the longitudinal direction of a metallic plate after completin...
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JP3524784 |
To provide a bar mill with which bar products whose width/thickness ratio is ≥25 can be rolled and the work for changing guide plates is unnecessitated at the time of changing the size. In an internal guide device 40, a bracket 43 is a...
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JP2004050181 |
To improve the productivity in a hot-rolling equipment train having a roughing mill and a Steckel mill, without changing the scale of conventional equipment even in the case that the unit weight of a slab is increased, and to improve the...
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JP2004050245 |
To provide a conveying apparatus for edging press devices in which the structure of the slab conveying line is simple and which copes with the change of the amount of edging of the edging press easily.In an edging press line by which the...
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JP3520646 |
To improve the dimensional accuracy of rolled shapes by respectively providing sizers on the inlet side of an intermediate universal mill, the outlet side of an intermediate edger mill and the outlet side of a restraining guide device an...
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JP3518236 |
To produce a high dimensional precision shape with a low equipment cost by arranging two pass rolling mills having plural passes so that the passes face each other and conducting at least one time of a reciprocating rolling process consi...
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JP3517799 |
PURPOSE: To exactly guide the projecting part of a material to be rolled into the groove of a rolling roll by providing a pair of a guide roll and grooved guide roll whose positions are vertically varied and a pair of a grooved rolling r...
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JP2004035174 |
To make a pulley causing cost up, failure, short service life and lack of uniformity of coils unnecessary, with the advantage of a belt type put into practical use.Tension is made to be generated in a slit strip (a) by arranging groups o...
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JP2004034077 |
To make a tensioning unit switchable between one with a movable belt type strip-pressing face (movable type unit) and one with immobile type strip-pressing face (immobile type unit), safely by a simple merely rotating operation.On one si...
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JP2004025268 |
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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JP2004025236 |
To provide a method and a device for changing the direction of a metal plate in which winding deviation is not caused for a coil wound with a winding device.A direction changing roll 12 for changing the passing direction of the metal pla...
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JP3514701 |
To provide a billet stopper device capable of reducing a cost and saving a space. A first adjustment valve 4 and a second adjustment valve 5 are arranged in series between a rear chamber 2c of a pneumatic cylinder 2 and a switching valve...
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JP2004018249 |
To provide a speed control method for a lapping conveyor capable of preventing the occurrence of defective piling and a scratch when charging into a piler even if operation speed of a main line is reduced.Speed of the lapping conveyor 1 ...
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JP2004018210 |
To suppress the vibration in an end part of a steel plate and reduce warping of the end part of the steel plate to improve quality of surface treatment of the steel plate.A thin steel plate damping device 1 suppresses the vibration of th...
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JP2004017051 |
To provide an automatic operation method for an rolling mill and a carrying table to minimize rolling time while normal rolling is being carried out when response property of a motor of the carrying table is inferior to that of a motor o...
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JP3511796 |
To carry out an adequate fluid spouting amount control when a strip form member connecting plate members with different rigidities is fed, in a strip form member advancing direction converting device to convert its advancing direction wh...
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JP3511992 |
To provide a roller guide for guiding a material to be rolled between rolling rolls by restraining the material which enters a rolling mill. This roller guide has rollers restraining the material to be rolled, arms for holding the roller...
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JP2004001037 |
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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JP2004001027 |
To provide a method and device for correcting deviation of a steel plate that can surely prevent a steel plate from deviating in a catching conveyor without stopping the line in the transfer part of a passing conveyor in a shearing line....
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JP2004001019 |
To provide a method that prevents periodic hardness variation generated at the end of a hot-rolled coil and that reduces thickness deviation caused in a cold-rolled steel plate.A coil car 2 that transports a hot-rolled coil 1 wound at 40...
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JP2004001095 |
To apply welding technique to rolling treatment by avoiding problems and defects related with a current execution method or at least by making them substantially minimum.A first rolling stand 10 is operated at the sending speed exceeding...
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JP2004001070 |
To provide a WC cermet-sprayed roll obtaining longer service life in a process roll.In the WC cermet-sprayed roll having film by spraying the WC cermet on the surface of an iron core, the spraying is applied so that the pore size in the ...
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JP2004001032 |
To provide a method for passing the rear end of a hot-rolled hoop steel through rolls which can improve the passing-through state thereof without giving the damage to the hot-rolled hoop steel.When the rear end part of the hot-rolled hoo...
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JP3503581 |
To provide a means to lower a fuel standard physical unit of a heating furnace for hot rolling in 'a straight forward rolling for a hot cast slab' hot rolled after charging the hot slab continuously cast without being cooled into the hea...
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JP3503587 |
To provide a roller guide that can constrain and guide, at entry side of a rolling machine, material to be rolled to a set of rolling rolls. A roller guide has such components as a frame fixed to a rolling machine, a pair of rollers that...
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JP3502726 |
To provide such a clamping device for a flying work equipment that is capable of adjusting with high precision a clamping position without causing increase in the equipment cost and the oil consumption unit, even in the case where the th...
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JP2003340512 |
To provide an undriven roll which has low inertia and an excellent function capable of easily following a change of conveying speed of a product. The undriven roll is composed of a hollow body, whose side body part has a layered structur...
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JP2003340511 |
To provide a conveyor roller for high temperature material, which has excellent and effective build-up resistance, even when used in such a high temperature atmosphere as that in a heat treatment furnace. A mother material surface of the...
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JP2003334605 |
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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JP3495424 |
PURPOSE: To reduce manufacturing and maintenance cost of a side guide by integrally connecting the divided part of a side guide with a connecting member and providing a guide width adjusting device on the integrated side guide. CONSTITUT...
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JP3495111 |
PURPOSE: To facilitate the maintenace of a joining device by arranging clamps and pressing means on frame so as to be movable in the width direction of a slab separately from an alternating field generating coil. CONSTITUTION: The rear e...
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JP3491121 |
To change the advancing direction of a steel strip without causing meandering while sufficiently absorbing tension variation on the inlet side and the outlet side of an annealing furnace by guiding the steel strip wound in spiral-state f...
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JP2003320408 |
To turn a square steel bar without changing a position to an installation part before and after revolution.The right turn arm 28 is positioned at the right side across a pass for transporting a square steel bar 12 by a roller conveyer 14...
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JP2003311312 |
To provide a guide device for rolling mills with which such inconvenience that a steel sheet is scratched by deposit and solidification of scale which is generated in rolling on a guide is prevented.The upside of the main body 1 of the g...
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JP2003311311 |
To provide a method and a system for controlling speed by which the speed change at the finishing stand of a wire rod rolling line is reduced and material passing property on the outlet side of the finishing stand is improved.In the plur...
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JP2003311313 |
To provide an apparatus for deciding a position of the tip of a rolled stock when a plurality of bar-shaped rolled stocks are conveyed in parallel.This apparatus 1 for deciding the position of the rolled stock is provided with rollers 5,...
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JP3488009 |
To prevent buckling which occurs in an inlet side of a deflector roll when the deflector roll having a relatively small diameter such as receiving plastic bending is used. In the deflector roll 1 equipment having a function giving a bend...
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JP3488048 |
To provide a rolling method for making the longitudinal distribution of the strip temp. on the outlet side of a finishing mill uniform in order to manufacture a strip having uniform material in the longitudinal direction which is differe...
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JP2003305513 |
To provide a method and a device for correcting a shape steel capable of effectively avoiding any problem of disturbance due to bending moment, needless to say material degradation in the vicinity of joint part (K zone) on the shape stee...
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JP2003290811 |
To provide a method and an instrument for stabilizing the pass line of a metallic strip for excellently stabilizing the pass line of the metallic strip without bringing the instrument into hard contact with the metallic strip in a metall...
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JP3480366 |
To obtain a coiling temp. control method of a hot-rolled steel sheet, with which the coiling temp. is controlled so as to match to a target temp. at high accuracy, even in the case the coiling temp. is in the low temp. range, such as 400...
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