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JP3289427 |
PURPOSE: To shorten a time required for an order change without the holding guide of a material to be rolled and suppress the occurrence of an unacceptable. CONSTITUTION: Four rolling devices 10 are arranged at specified intervals in the...
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JP3290975 |
To make it possible to enlarge rolling width to the extent that it is over 4 feet by decreasing a mechanical load of work rolls. This method of rolling a sheet metal x is featured by positioning a pair of work rolls 11, 12 each of which ...
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JP3291219 |
To uniformly control surface quality such as surface gloss and simultaneously to control sheet crown and shape in the longitudinal direction of a sheet at the time of rolling a rolled stock on which coating is formed by sticking part of ...
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JP3291138 |
PURPOSE: To enable the diagnosis of passing performance at the time of rolling and the control of mechanical deteriorating tendency of a rolling mill by measuring a force for shifting a roll in the axial direction by means of a pressure ...
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JP3289210 |
To manufacture a deformed cross sectional product composed of a flat plate-like part and plural rising wall integrally formed on one side surface of the plate-like part without causing unevenness in heights and thickness of the rising wa...
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JP3290071 |
To provide a device for fixing a rolling roll in which an annular rolling roll is fixed on the roll shaft which is rotatably pivotally supported to a cantilever type mill stand, whose structure is simple and, moreover, with which the gen...
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JP3289322 |
PURPOSE: To obtain a roll bearing device which can resist large thrust force applied to a roll and is easily maintained and managed. CONSTITUTION: A radial bearing 6 is installed on a roll shaft 1a. A piston 9 is projectingly formed adja...
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JP3288525 |
PURPOSE: To suppress generation of defect to a minimum by arranging a load detecting device independent for each split reinforcing roll split to three or more rolls in the axial direction, operating the resultant force of horizontal comp...
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JP3285114 |
PURPOSE: To provide a setting method of an optimum shaft shifting amount of a 4-roll rolling mill in which a diameter of a base stock is preliminarily taken into consideration and by which good sizing accuracy and biting property are obt...
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JP3285144 |
To provide an aligning equipment with higher aligning accuracy and less working trouble in comparison with the conventional type. The end portions on the pass line side and the opposite side of both end faces of rolls R are clamped with ...
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JP3285833 |
To provide a cross roll mill whose crossing operation is accurate and profitability is high by simplifying its driving system and improving the rigidity of its housing. Pressing materials 241, 441 are moved to positioning positions towar...
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JP2002066615 |
To reduce the time required for an order change and to enhance a cooling performance, eliminating a holding guide for a rolling material.A plurality of rolling apparatuses 10 respectively comprising two rolling mills 13, 15 is disposed a...
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JP2002066614 |
To provide a mill for rolling bar or sections capable of replacing only a ring roll without dismantling a housing.In the bar mill that disposes a plurality of roll assemblies around a pass center PC at regular intervals and is held by th...
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JP2002066608 |
To prevent the occurrence of scratches on the surface of a rolling material and a trouble of responsivity in cold rolling, to properly respond to a variation of a thermal crown that momentarily varies while rolling, and to prevent the de...
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JP2002066607 |
To provide a method and device for rolling a wire rod capable of highly yielding a nondefective portion, reducing a tip bend of a rolled material that easily occurs in wire rod rolling.In the device for rolling a wire rod having a substa...
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JP2002066616 |
To reduce a time for an order change, eliminating a holding guide for a rolling material.Two rolling mills 12, 13 are arranged in series along a pass line PL of the rolling material 11. A distance P between the axis of a first reduction ...
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JP3282718 |
To easily remove a cover portion of a mill roll housing equipped with a roll receiving portion and the cover portion connected to the receiving portion. This disassembling equipment is equipped with a support base 2 to support a receivin...
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JP3282939 |
PURPOSE: To set a wide range roll gap by arranging a gap between upper/lower mill housings and pre-stressing together so as to be integrated. CONSTITUTION: A cluster mill housing assembly is provided with a screw 13, nuts 16, 17, etc., t...
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JP3283811 |
To restrain the generation of recessive thrust force accompanying roll cross, to secure the distribution of uniform thickness by roll cross and to manufacture a metal plate having good quality in a 6-stage rolling mill of a type in which...
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JP3282797 |
To automatically remove iron pieces stuck after burning to the outer peripheral surface of a roll without dismounting inclined rolls from the main body of the mill in the inclined roll mill provided with the inclined rolls which are arra...
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JP3283823 |
To prevent the lowering of yield by always securing the distance between a hydrostatic bearing and a roll and satisfactorily surely preventing the damage caused by contact even in a transient state before and after starting rolling. Rela...
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JP2002059201 |
To provide a method and equipment array for manufacturing shape steel by which wrinkles on the inside surface of a curved claw are reduced and the dimension and shape of a joint are stabilized.In the manufacturing method of the shape ste...
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JP3279222 |
To obtain larger expansion amount of the inside width of web by shortening rolling time in a rough universal rolling stage and reducing the temp. drop of the web and flanges and temp. difference between both. A fixed-width rough universa...
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JP3279962 |
To provide a roll setting method for a four-roll rolling mill by which centering is accurately and easily set by attaching setting jigs highly accurately machinable to rolls and mutually abutting the jigs. In setting the relative positio...
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JP2002045902 |
To provide a method for manufacturing a large size wide flange shape having a nominal height of ≥1000 mm from a continuously cast slab for manufacturing a large size wide flange shape having a nominal height of ≤900 mm.After extendin...
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JP3275986 |
PURPOSE: To suppress the play of a journal box in the horizontal direction and to enable stable rolling operation by providing a cylinder for pressing the side face of the journal box of work roll and a cylinder for pressing a projecting...
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JP3275985 |
PURPOSE: To provide a rolling mill provided with a horizontally bending mechanism and control method for reducing deviations and, consequently, imparting desired horizontal bending to work rolls, even when positional deviation and pressu...
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JP2002035808 |
To prevent snaking of a cross rolling mill that rolls the material to be rolled by crossing the central axis of the upper work roll and the lower work roll in the horizontal surface.A torque detector for the upper work roll and a torque ...
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JP2002035807 |
To provide a method for processing a crosshead of a roll cross mill which can maintain accuracy of the crosshead without replacing the crosshead body and by correcting inclinations in the up and down direction of up and down work roll cr...
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JP3274128 |
To provide a rolling apparatus with which crown control is effectively carried out. The rolling apparatus 10 is provided with an upper roll 12 and a lower roll 13, upper chocks 15, 16 and lower chocks 17, 18 for freely rotatably supporti...
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JP3274678 |
To provide a rolling mill for appropriately performing the correction of crown or the like though its structure is simple and a rolling method for appropriately correcting both crown and thickness by using such a rolling mill. On one sid...
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JP2002028702 |
To provide a method for rolling a bar and wire for obtaining the bar and wire having a fine grain size by efficiently cooling the center temperature of the bar and wire at hot rolling.In the method for rolling the bar and wire for hot-ro...
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JP3272879 |
PURPOSE: To separately manufacture the web height of a wide flange shape efficiently without deffects in shape by forming the outside inclined angle of flange of a material to be rolled in the range of a specifying inequality. CONSTITUTI...
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JP3272619 |
To provide a 2-high tandem mill with which the length of line and threading time are shortened and the meandering of a rolled stock is prevented. This mill is a roughing mill R of hot rolling equipment between the upper work roll 1 and t...
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JP2002018503 |
To provide a method for manufacturing a steel sheet having micro crystal grains by which its structure is micronized without lowering rollability using cross rolling and to provide various kinds of means suitable for implementing the man...
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JP3270724 |
To provide a means capable of changing a roll easily and promptly and making it unnecessary to readjust a volume to be rolled. A housing comprises a first split housing 3 and a second housing 4. A semi-split bearing part is made at a joi...
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JP3270369 |
To provide a rolling mill for wire rods/steel bars in which changing work is remarkably simple and collectively easily connects plural mill stands the phases of roll driving shafts of which are shifted. In the rolling mill for wire rods/...
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JP3270384 |
To make it possible to control asymmetry in the shape in the plate width direction even in the rolling mill with backup rolls having split patterns not symmtrical to upside and downside by giving a roll crown over one wavelength or over ...
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JP3270725 |
To make it possible to adjust the roll alignment by an extremely simple operation, keep the alignment adjusting value without going wrong at the time of separating a split housing, and simply conduct the readjustment after the assembly i...
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JP2002011503 |
To provide equipment and a method for manufacturing a steel strip by which a flat-shaped steel strip is manufactured and the cost of equipment is reduced by correcting rugged edges of a sheet slab having a certain width easily and rapidl...
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JP3267198 |
To widen a size free zone, to make the finish cross section shape about complete round even though the rolling reduction is varied and to reduce the difference of deviated diameter by mutually arranging with an inclination respective rol...
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JP3267670 |
PURPOSE: To provide a laminator where the uniformity of a pressure distribution is drastically enabled and the concern for a dislocated film is substantially reduced. CONSTITUTION: The laminator 1 is provided with two rollers 2 and 3 whi...
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JP2002001412 |
To provide an inexpensive steel bar rolling apparatus which enables an on-line stand rearrangement and an aperture die switchover to be performed in a short time.In a stand rearranging type steel bar rolling apparatus having a billet gui...
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JP2002001407 |
To improve a driving portion of the roll stand arrangement for rolling a wire product or a shape steel so as to reduce maintenance costs as well as remarkably less manufacturing costs.In the arrangement of the roll stand (WG1, WG2) neigh...
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JP2002001406 |
To harmonize a rolling stand frame into power generated through the rolling process by simplifying fabrication, handling procedures and construction of a rolling stand frame.A module constructional rolling mill, in particular a rolling s...
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JP3265180 |
To easily and rapidly adjust the height of a rolling stand by selectively abutting a height adjusting stopper having a step type clamp surface to the clamp surface of the rolling stand. A rolling stand lifting mechanism 13 is operated, a...
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JP3265002 |
PURPOSE: To highly accurately produce a high-quality girder section at comparatively low cost. CONSTITUTION: This rolling train is composed of at least one two-high reversing roughing stand and a plurality of subsequent universal roll st...
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JP2001353506 |
To stably obtain a product having rectangular cross section with high dimensional accuracy and at low cost and to improve the quality of the product by preventing the product from being scratched by slip.This method is a method for rolli...
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JP3263461 |
PURPOSE: To simplify structure and operation of a universal type roll stand equipped with a horizontal roll and a vertical roll supported so as to be capable of being screwed down by two roll housings in parallel with each other. CONSTIT...
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JP2001347306 |
To provide a device for cooling a lower horizontal roll of a universal rolling mill the position of nozzles in the width direction of the roll of which is switchable and which follows the variation of a roll height at screwing up in univ...
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