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JP3386001B2 |
To separately manufacture products having plural sizes to one size of inlet- side dimensions and to reduce the changing time of rolling rolls and number of reserved rolls by adjusting the actual reduction of area at a 1st pass within a s...
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JP2003010904A |
To inexpensively produce a rod stock or a wire rod each having a smaller cross section than 5.5 mm at a lower rolling speed but with no change in manufacturing quantity using a hot rolling method.A continuous casting and hot rolling mill...
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JP3362072B2 |
It is an objective of the present invention to provide a connecting apparatus for a driving unit in a cold-roll forming machine by which an intermediate stand slides over a common base to connect with a roll shaft by one operational proc...
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JP3358757B2 |
PURPOSE: To provide a method and device for manufacturing a homogeneous irregular shaped strips having small difference of hardness by individually controlling the rolling speeds for a thick plate part and thin plate parts. CONSTITUTION:...
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JP3357111B2 |
The invention relates to a high-duty/small section/wire rod mill with a roughing train having in each case a plurality of roll stands or rolling units, with at least one intermediate train and with an adjoining finishing train, in partic...
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JP3351949B2 |
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JP3345593B2 |
An assembly for producing a finished shape for a rod after the last rolling stage of a multi stand steel mill. This apparatus provides an operation for correcting minor surface irregularities and shape distortion of the rod as it exits f...
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JP3339571B2 |
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JP2002301508A |
To provide a rolling mill with which increasing torque is transmittable while keeping a roll diameter thin.This rolling mill 25 is individually provided with an upper roll driving motor 38 and a lower roll driving motor 47 to a pair of a...
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JP2002301552A |
To produce a metallic bar or a metallic wire rod having smaller cross sectional surface than 5.5 mm diameter and quantitatively obtaining the same production with lower rolling speed in comparison with the conventional method by using a ...
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JP2002301503A |
To raise the output of a rolling block, to suppress the outside dimension of a rolling line, especially of a wire-rod rolling line, to the minimum, and also to simplify the structure of the rolling block.In a compact rolling block provid...
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JP2002292401A |
To manufacture a metallic bar material or a metallic wire material having a cross sectional area of 5.5 mm or smaller diameter likewise by means of the hot rolling means in the quantatively same condition but in a lower rolling speed.Spe...
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JP3330371B1 |
In a rolling mill (101) with upper and lower drive motors (174 and 184) arranged oppositely to each other with respect to paired upper and lower work rolls (131 and 141), changing of the upper work roll (131) is carried out such that a c...
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JP3324696B2 |
To provide a roll driving device for four-roll mills with which driving force is transmittable to each roll of the four-roll mill especially each roll of an X-array four-roll mill by a simple mechanism. A housing for driving devices arra...
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JP2002263714A |
To provide an improved high-speed finishing block for roll mill.The multistage stand block 10 for roll mill is provided with a plurality of roll stands 16 which are alternately arranged on both sides of the pass line. Manufactured produc...
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JP3321353B2 |
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JP2002239605A |
To provide a different thickness rolling mill capable of holding a work and performing difference thickness rolling of the work by utilizing the pressing force of a ram of a press.This different thickness rolling mill having a pressing l...
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JP3318113B2 |
PURPOSE: To provide a vertical roll driving device by which a difference in speed between a rolling stock to be rolled and the peripheral speed of the vertical roll can be eliminated at the time of the bite of the rolling stock by surely...
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JP3308924B2 |
To provide a wire-rod rolling mill having one common motor to drive two 4-roll rolling mills arranged on two stands of the final finishing pass, thus making it possible to reduce equipment cost, expand free-size rolling possible range, a...
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JP3307551B2 |
To provide a driving device for rolling mills, rolling mill and rolling method by which the quality of a plate surface, the breaking accident of a spindle and fatal damage of a roll are prevented and the increase of rolling speed and red...
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JP3304178B2 |
PURPOSE: To obtain a compact structure easy to assemble for a screw down device of a brush roll. CONSTITUTION: In the case of a device to screw down a brush roll 1 against a work roll 2 of a roll stand to hot roll above all aluminum, the...
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JP3298846B2 |
To reduce the cost needed for the housing of a roll stand and also to facilitate the handling of the housing with respect to a rolling mill for wires and steel bars. This housing H of the roll stand is divided into a roll side part 4 and...
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JP3293933B2 |
PURPOSE: To enable obtaining a high output level of a rolling line and reduced error of a wire rod by rolling a rolling stock with a specified small roll pass reduction in a after-rolling block. CONSTITUTION: A wire rod 5, preliminarily ...
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JP3285805B2 |
To provide a driving device for rolling mills with which torque transmission is released at an arbitary set torque value with respect to overload torque. The input torque from a motor is transmitted to spindles 20A, 20B after deceleratin...
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JP3270369B2 |
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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JP3250087B2 |
PURPOSE: To attain structural simplification by making a holding guide needless. CONSTITUTION: On a driving shaft 20 rotated by a driving motor 18, a first bevel gear 28 and a second bevel gear 30 are arranged. The first driven gears 40 ...
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JP2002001407A |
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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JP3239317B2 |
To provide a device for previously driving idler rolls with which the number of revolution of the idler rolls is exactly controlled, problems such as the material is cooled are eliminated and also the cost of equipment is inexpensive. Th...
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JP2001330047A |
To provide a constant velocity universal joint for super-heavy load, and to provide an extension universal shaft to be combined with the constant velocity universal joint so as to be used for a driving unit of a roller of a rolling mill....
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JP2001300612A |
To provide a device and method for adjusting the level of a spindle for adjusting the level of the spindle by simple operation in a short time with high accuracy. This level adjusting device is provided with respective spindle coupllings...
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JP2001286910A |
To provide a rolling line for rolling metallic bars for tubular, bar stocks or wire rods which is not only free from faults of the conventional rolling line but can accept a high load and is compatible with requirements of changing opera...
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JP3216587B2 |
To improve control response by utilizing ability of a high response type electric motor when a low response type electric motor coexists with a high response type electric motor to drive a rolling mill roll. The main engine electric moto...
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JP2001259719A |
To solve such a problem that while the driving system of a rolling mill is protected, the production efficiency of the rolling mill is lowered as the result that, because the prediction of peak torque which is impactively generated in th...
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JP2001259717A |
To facilitate the exchange, disassembly and inspection of a rolling bearing for supporting a driving shaft and to realize the integral structure of the driving shaft and coupling in a driving device of a rolling roll.In the driving devic...
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JP2001239309A |
To provide a rolling machine which can roll under high pressure without getting poor in being in gear with a pair of work rolls even when rolling a rolled material having a large plate thickness.The rolling machine 1 is equipped with a p...
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JP2001239311A |
To provide a method for controlling roll rotating number to realize a high accurate finishing measurements in rolling a pipe.When rolling a seamless steel pipe by using a pipe rolling machine having plural stands, thickness in an outlet ...
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JP3195447B2 |
PURPOSE: To suitably reproduce different operating conditions required in tubes, pipes, and industrial products by which simultaneous operation of at least three rollers and adjustment of each of the distances from longitudinal center li...
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JP3193892B2 |
To provide a mill drive coupling which is easily attached and detached in changing a stand and with which the generation of vibration is prevented. This coupling is a coupling 6 for connecting the drive shaft 4A on the housing side of a ...
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JP2001150001A |
To achieve remarkable improvement in the availability factor and decrease defectives.A rolling plant 1 is positioned at an outlet part of a block mill 2 and finishes rolling wire rods 3 passing through the block mill 2. Two rolling machi...
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JP2001137917A |
To surely prevent a generation of chatter marks and coil break by separating the shaft end part of an upper work roll from a roll coupling in the temper rolling of a metallic strip. In the temper rolling mill which is provided with the u...
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JP3165446B2 |
PCT No. PCT/GB95/02565 Sec. 371 Date Nov. 10, 1997 Sec. 102(e) Date Nov. 10, 1997 PCT Filed Nov. 2, 1995 PCT Pub. No. WO96/14174 PCT Pub. Date May 17, 1996A multi-strand finishing block finishes two or more daughter strands slit from a p...
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JP2001124291A |
To provide a lubricating device for a rolling mill which can be set in a small space, can lubricate a bearing and a gear, and can lubricate even at a high rotation. The lubricating device comprises a bearing nozzle ring 20 which is attac...
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JP2001071003A |
To reduce cost of equipment and also to improve productivity by shortening time needed to change a rolling mill. Three rolling mills 14, 18, 22 are arranged in series on a base 12. A pair of 1st transmission gears 44, 44 are rotated mutu...
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JP2001065587A |
To provide a spline coupling to reliably prevent the occurrence of gall and seizure to a contact portion between female and male splines at the two end parts of a female spline due to its owing weight even when the owing weights of the f...
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JP2001058208A |
To reduce the number of electric parts by synchronously running three main motors of a main motor, a feed motor and a turning motor, to simplify the electric control system by using electric parts for general use, and to improve the main...
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JP2000312908A |
To obtain a small-quantity, module type carrying frame consisting of exchangeable component members which can be manufactured at small manufacturing costs, by composing it of box element having inlet-side passage and outlet-side passage,...
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JP2000312906A |
To provide driving equipment for a roll stand which can reciprocate in a rolling direction, which is suitable for a small and simple rolling mill with small output and high degree of utilization. This driving equipment for a roll stand w...
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JP2000301206A |
To suppress the drop of operating efficiency (productivity) by rapidly executing caliber changing in each rolling mill with respect to rolling equipment for steel bar or the like. Adjacent horizontal rolling mill 1A and vertical rolling ...
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JP3100747B2 |
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JP2000288611A |
To provide a small-sized device for driving the pressure side of a side roll with which large torque is transmitted. This device has a screw-down rod 50 in the tip part of which a thread part 49 which is screwed down in the outside part ...
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