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JP2000254708A |
To effectively prevent the development of flare at the front and the rear tip parts, the adverse width distribution in the stationary part and laps at the front tip corner part of a material (double fold) by preforming at least one side ...
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JP3089175B2 |
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JP3090496B2 |
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JP2000246302A |
To eliminate the failure to bring the leading end of a steel plate into the work rolls in hot rolling at high draft and achieve stable rolling, by starting the hot rolling after reducing the thickness of the leading end of the steel plat...
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JP2000246541A |
To appropriately make actual cutting regardless of a camber amount of a rod steel material. In this device, a shape steel 1 rolled by a rolling mill is cut off in the width direction by means of a rotary disk saw edge 3. When it is cut o...
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JP2000246309A |
To roll a steel sheet by reinforcing the back-up force of work rolls in a rough rolling process and a finish rolling process, performing crop cutting with laser cutting equipment, making final adjustment of coiling temperature in a tempe...
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JP3087468B2 |
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JP3084860B2 |
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JP2000233264A |
To provide the continuous casting and rolling equipment, in which a slab having different volume is efficiently rolled. This continuous casting and rolling equipment is provided with a first continuous casting apparatus 1a, a first slab ...
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JP2000233220A |
To punch punched holes to be used for detecting a weld zone in a continuous processing line for a steel strip such as a steel sheet by using a punching device for punching a single hole as it is and to highly reliably detect the weld zon...
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JP2000233207A |
To improve productivity without stopping a hot rolling line and to improve the labor environment of a worker by cutting a long size material while running it with a running/cutting machine arranged at the upstream side of a roller straig...
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JP3082413B2 |
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JP3075385B2 |
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JP2000219996A |
To obtain an Ni plated copper or copper alloy sheet for electronic parts excellent in Ni plating properties. A copper or copper alloy sheet is annealed and is thereafter subjected to mechanical grinding to control the surface roughness R...
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JP3072891B2 |
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JP2000210810A |
To provide a deburring method and device that reduces load on a cutting tool at deburring, prevents damages of the cutting tool and is possible to exchange deburring tools quickly on a deburring method and device for a joint of rolling m...
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JP2000210813A |
To remove a fault that the load on a sawtooth is great in cutting a steel piece of hot steel by a hot saw. In particular, to reduce the load on a sawtooth, improve the life simultaneously and reduce power consumption at steel piece cutti...
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JP2000202902A |
To realize the sure stretching of a material web with a simple constitution easily actionably without any strain. A stretching device equipped with tentering rolls for smoothing a material web 7 has two rotatable roll bodies 1 and 2. Eac...
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JP2000202514A |
To ensure the thickness accuracy by setting the roll gap when the feed of a stock to be rolled is stopped to be larger than the roll gap when the stock to be rolled is fed to prevent generation of roll marks. The command signal S7 of a r...
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JP2000202524A |
To more effectively prevent the generation of roll marks and flaws on the steel sheet and hindrance of rotation of rolls by purging scales scattered between respective rolls with a fluid which flows between straightening rolls to the out...
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JP3068791B2 |
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JP3067943B2 |
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JP3068373B2 |
PURPOSE: To prevent the accident caused by the collision of a joining machine with a movable table roller, and to reduce the hydraulic power loss by simplifying a hydraulic device in a joining equipment for a preceding plate and a succee...
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JP2000197966A |
To provide a shaping device capable of shaping a non-shaped part caused in the cut surface of a slab at the time of cutting in a short time, excellent in maintainability and small in running cost. This device, which is movable in the thi...
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JP3066706B2 |
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JP3064072B2 |
PURPOSE: To secure detecting accuracy and to improve welding quality by measuring cross sectional shape of the welded line along the welded line from the front and back surfaces of the welded part after a butt welding is executed and a w...
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JP3062843B2 |
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JP3063608B2 |
To make continuous rolling of energy saving and a high efficiency possible. The production line is provided with a continuous caster 1, hot saw machine 2, line connecting machine 3, flash butt welding machine 4, grinder 5, induction heat...
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JP3062847B2 |
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JP3062840B2 |
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JP3060691B2 |
A work roll crossing type rolling mill has back-up rolls (8) arranged in such a manner that their axes are not inclined in a horizontal plane. Work rolls (7) are constructed in such a manner that their axes can be inclined in a horizonta...
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JP3060687B2 |
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JP3061725B2 |
PURPOSE: To weld preceding and succeeding strips regardless of whether a looper is provided or not by advancing the succeeding strip to the butting position with a movable clamping means on the succeeding side at the time of butting the ...
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JP2000176524A |
To obtain a tension control method for continuous rolling mill outlet side and a device therefor capable of conducting pinching by a pinch roll in cutting a rolling material continuously rolled.When imparting tension to a rolling materia...
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JP2000176510A |
To reduce the restriction of an installation place, to shorten carrying-in and carrying-out times, to prevent the drop of material temperature, to contract the rolling line and to reduce the cost of equipment by using inlet-side and outl...
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JP3056371B2 |
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JP3056873B2 |
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JP3056323B2 |
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JP3056466B2 |
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JP3055214B2 |
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JP2000169911A |
To improve the precision of sheet thickness at the continuously first material and the precision of sheet thickness at the joined part on and after the second sheets, since the temp. on the tip part of a sheet material at the inlet side ...
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JP3053919B2 |
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JP3053317B2 |
PURPOSE: To surely slit a connected bar base stock and execute stable dividing by arranging slitting rollers which are rotatably driven with a driving means and with which intermediate multi-bar base stocks are slitted in connecting part...
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JP3054293B2 |
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JP2000158037A |
To obtain surface finish equal to or more excellent pickled surface finish without using acid for a pickling agent by removing an oxidic scale by mechanically cleaning the surface of a strip by grinding, brushing, polishing and these com...
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JP2000158006A |
To provide equipment for refining ferrite grains with which the refinement of the ferrite grain structure is industially attained.This equipment is provided with an uncoiler 2 with which a material 1 to be rolled which is hot-rolled is u...
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JP2000158162A |
To obtain an excellent welding quality without deteriorating a welding velocity.In this device, a cutting light condensed beam, wherein the cutting laser beams outputted from a cutting laser oscillator 13 are condensed, is radiated to en...
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JP2000158198A |
To easily adjust plate thickness after high pressurization by using the same die.This press device is equipped with a pair of dies opposed to each other at upper/lower parts in a manner to sandwich a slab, and an oscillating device for m...
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JP2000158004A |
To provide a method and device for joining rolled stocks by which joining is able at a usual strand interval and joining the rolled stocks is permitted with one joining device with respect to a multistrand continuous rolling of metal for...
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JP2000160236A |
To surely detect what a sheet bar is in a heating coil in the case that a detected resistance value is larger than a setting value by detecting a retreating resistance value in an induction heating device.A current detector 32 for detect...
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