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JP2005065490 |
To provide a core for an electric machine comprising a first laminate having a first staple, a second laminate having a second staple and a second hole, and a third laminate having a third hole and a third opening.First and second lamina...
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JP3650960 |
To provide a driving device for rolling mills with which an advance and delay in the angular velocity of upper and lower work rolls are synchronized and, moreover, a cross pin type universal joints for connecting each work roll to each i...
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JP3649025 |
To easily execute the tension control at high accuracy with a simple reconstruction of equipment by regulating the ratio of the rated capacity (Wf) of a mill motor in a finishing mill and the rated capacity (Ws) of a mill motor at the up...
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JP3648815 |
To make the best use of advantages of low cost and space saving in a common driving system and a block mill system and individually and independently execute speed control. At the time of adding a vertical roll 4 and a horizontal roll 5 ...
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JP3633483 |
To provide a method for replacing electric motor for driving a continuous rolling mill which shortens the period of rolling mill stoppage due to motor replacing work into within three days per stand. When replacing the electric motor for...
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JP3635131 |
To keep function even when pressure medium escapes by providing a pressing body which is housed in a rotary cylinder and presses an outer peripheral surface of a rotary shaft through pressing force of a pressing member and a force functi...
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JP2005000932 |
To provide a roll driver of a vertical rolling mill which has short equipment length and low equipment cost, the roll clearance of which can easily be adjusted and which realizes an extensive adjustment range.The roll driver of the verti...
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JP3628261 |
To increase efficiency in removing mixed cooling water and dust from lubricant, and to reduce the size of a facility. The inside of a housing surrounded by a seal plate 54 and a cartridge body 28 is divided into a first chamber A includi...
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JP2004351497 |
To make it possible to be primarily intended to manufacture a ferrous material having high quality, high strength and high toughness, and also to attain the reduction of installation area and the facilitation of changing work.This back-u...
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JP2004330281 |
To provide a roll exchange device for a two-way drive rolling mill capable of exchanging an upper and lower work roll into a new upper and lower roll in a short period of time by extracting the upper and lower work roll easily and smooth...
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JP2004314173 |
To provide a rolling mill with which the simple and sure holding, mounting and dismounting for the rolls of a rolling mill are made possible.This device has two holding devices 12, 13, 14, 15 which are arranged on the opposed end faces o...
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JP2004314100 |
To provide cold-rolling equipment with which a rolling stock of 2-3 mm thickness is rolled into a sheet of ≤1 mm thickness with a small number of equipment and resource economization, space saving, or the reduction of operating cost an...
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JP2004314144 |
To provide rolling equipment which communicates high rolling torque to work rolls to perform a high draft rolling and has a superb operability in a roll changing.The rolling equipment S comprises a pair of work rolls comprising a top wor...
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JP3613382 |
To provide a roll stand for forming a metallic tube which is advantageous in the aspect of economy and storaging property by making both size and weight of a machine to be possessed as a spare smaller than those of a conventional one. Th...
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JP2004306111 |
To provide a hot rolling equipment which can roll thick or thin slabs with a drastically smaller number of equipment than heretofore and can manufacture a high-strength sheet having a fine crystal structure without increasing alloy eleme...
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JP2004306112 |
To provide a Steckel mill which is mainly intended to manufacture a steel material having a high strength and high toughness and additionally intended to reduce the installation area, equipment cost, rolling time and operating cost.This ...
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JP2004268145 |
To provide a rotary plastic working method raising the working accuracy.A rolling mill 1 which is formed as a horizontal wedge roll or a horizontal wedge rolling mill includes a first work roll 2 which is rotatable or rotated around an a...
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JP2004209524 |
To provide a rolling method and a rolling system for surely preventing the generation of seizure even without mounting driving means for vertical rolls in a universal rolling mill.In the universal rolling mill 10, first the vertical roll...
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JP2004209532 |
To provide a driving mechanism which can withstand the total value of increasing rolling torque and additional torque required with different circumferential speed rolling when rolling a new material such as super metal which requires he...
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JP2004202580 |
To constitute a rolling device for a rolling mill in such a manner that torque and the bending load during rolling operation are optimally transmitted roll replacement can be easily executed, and a component required for a rolling device...
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JP3546803 |
To provide a method for monitoring the state of the slipper metal of a slipper metal type joint for transmitting rotary driving from a motor to a rolling mill by connecting a variable length spindle connected to the motor to the roll sha...
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JP3543913 |
To provide a rolling device capable of rapidly and efficiently exchanging a work to be rolled and regulating the clearance between upper and lower rollers without stopping the operation. In a wire rolling device 1 in which a manual handl...
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JP3543894 |
To remarkably reduce a thrust force working on between work rolls and backup rolls without supplying lubricant between the work rolls and the backup rolls, consequently, to miniaturize a thrust receiving device, and to remarkably reduce ...
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JP3542900 |
To raise wear resistance, to reduce the number of repair by build-up and to reduce the cost of build-up material by executing the repair by build-up welding of the mounting hole of a work roll with a ferro alloy containing a specified co...
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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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JP3535946 |
To easily execute the change of plural calibers, consequently, to improve productivity and operability and also furthermore to make the whole constitution simpler. A roll housing 7 which is shiftable in the axial direction of work rolls ...
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JP3532819 |
To provide a rolling mill of which the rolling mill and devices around a driving reduction gear connected to the mill can be made compact and angularity on the inside surface of a pipe after rolling is prevented. This device consists of ...
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JP2004034157 |
To accurately position a rolling roll at the center position of a shaft.The roll assembly 10 includes a supporting shaft 12 having a taper part 14 extending from an abutment 16 to an end part 20. A taper sleeve 36 is inserted between the...
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JP3507645 |
To provide a roll device incorporated with a motor for rolling whose space efficiency is high, maintenance is easy and which is excellent in responsiveness. This roll device is provided with a stator which is fixed in the shaft parts at ...
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JP3503554 |
To provide a simple spindle replacement method for the rolling machine, which cuts down time and labor and can eliminate work hazard so that everybody can replace spindles. The table 3 is placed on top of the elevator 4 on the bogie 2, t...
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JP2003334602 |
To prevent progressing of abrasion caused while a bearing is in a standstill condition with a gear in engagement mode fixed to a support shaft thereof.This device has gears 24, 26 to be rotatably mounted on the shaft 18 and is mounted th...
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JP3483772 |
To optimize a dimension by eliminating a waste of fatigue strength and yield strength of a cross pin and a fastening bolt while securing a prescribed life of a bearing roller in a spindle for a rolling mill to which a torque transmitting...
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JP3480407 |
To provide an arithmetic unit for retained force for calculating the retained force value of rolling, each time the materials are passed through each roll stand, of a motor for feeding the rolling materials to a mandrel mill. This arithm...
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JP2003260504 |
To provide a roll rearrangement apparatus for a rolling mill by which upper and lower rolls and a support roll can individually be rearranged, in the rolling mill in which upper and lower roll drive motors are arranged on lest and right ...
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JP2003220402 |
To form a square wire having a thin diameter, which is used for coils or the like at a low cost, and to compose square slits easily and preciously for forming the square wire.The apparatus has four rollers 1-4, which are arranged in a fy...
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JP2003211203 |
To shorten time required to change a rolling stand as compared to the necessary time in a case of a well-known device.The invention relates to a rolling mill train for continuously rolling a bar shaped rolled stock in which a rolling sta...
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JP3445748 |
To provide a sheet mill with which the cost of equipment is reduced, roll changing work is simplified and the influence of the dead weight of a spindle for a work roll on the load distribution of divided back-up rolls is eliminated. In a...
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JP2003172373 |
To solve problems such as early exfoliation, galling and abrasion of a bearing in a universal joint.This universal joint for driving a rolling mill is equipped with a bearing 2, which is disposed at equally-divided positions around an ax...
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JP3443407 |
To prevent the generation of slip and surface flaws of rolls when rolling a metallic strip by driving only one work roll. A rolling schedule, rolling speed, screw-down location, screw- down/releasing speed of a roll and formula (1) by wh...
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JP3438764 |
To improve the precision of a roll reduction position zero adjustment and a leveling zero adjustment by stopping the rotation of a work roll to reduce a thrusting force and reducing the dispersion of the difference load of the leveling z...
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JP2003164902 |
To provide a method for rolling a very thin metal wire with improved precision and its device.Rolling rollers 1-4 are composed of double rollers consisting of large diameter roller parts 1a-4a for rolling of which the one side ends on th...
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JP2003136104 |
To provide a rolling device capable of omitting die changes and shortening change times of the pass schedule and capable of decreasing rolling roll pairs by incorporating a rolling unit having three-gang rolling pairs into the tail end, ...
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JP2003136107 |
To provide rolling equipment provided with a rough rolling mill under a drafting volume beyond a biting angle of friction.When a slab is bitten into the rolling mill under a drafting volume beyond a biting angle of friction, a first roug...
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JP3425095 |
To provide a transmission gear of driving torque with which the transmission of torque is released at an arbitary value of set torque against overload torque and to provide driving device for rolling mills. Tangential load is imparted be...
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JP3415792 |
To provide a rolling mill with rolls with which large load carrying capacity is enabled, whose mill stand is thinned and made compact and the periphery of a driving reduction gear of which is also made compact. This mill consists of a dr...
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JP3413181 |
To provide continuous hot-rolling equipment which is suited to the production of a hot-rolled steel sheet of fine grained steel and preferable in terms of sheet passing capacity and the shape of a sheet. Mills F4, F5, F6 of a plurality o...
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JP2003048001 |
To provide continuous hot-rolling equipment which is suited to the production of a hot-rolled steel sheet of fine grained steel and preferable in terms of sheet passing capacity and the shape of a sheet. Mills F4, F5, F6 of a plurality o...
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JP3394729 |
To make a housing compact and to reduce the cost of equipment of a spare housing for a tandem mill composed of many rolling stands. This mill consists of a roll unit B in which plural rolls are arranged and drive unit A for rotationally ...
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JP2003025004 |
To increase the number of cycles while evading drawback in manufacturing technology and tool exchange by improving a cross rolling machine having a form described at the begining.A pair of rolls are mechanically connected to each other w...
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JP2003010904 |
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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