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WO/1996/033823 |
In a roll stand with two rolls (1, 2) forming a gap (34), the rolls can be driven via drive shafts (11, 12) by their own drive motors (13, 14), in which a toothed coupling (17) is used in combination with an articulated linkage (24) perm...
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WO/1996/014174 |
A multi-strand finishing block finishes two or more daughter strands slit from a parent bar. Each strand is rolled by at least two pairs of rolls arranged in tandem with the rolls of each pair being at right angles to the rolls of the ot...
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WO/1995/024281 |
A rolling mill, in particular a cold rolling mill, for the production of rolled strips, for example steel strips, has roll stands with at least back-up and working rollers and with which are associated, at least partially, devices for sh...
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WO/1995/011097 |
The apparatus comprises a pair of rotatable devices each holding a plurality of metal shaping and/or cutting rollers, the rollers of one device meshing with rollers of the other device to produce specific designs or widths of material. T...
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WO/1995/009060 |
The invention has its object to provide a drive shaft connecting device for a cold roll forming machine, which is constructed to enable sliding of an intermediate stand on a common base to complete connection of the same to a roll shaft ...
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WO/1994/021395 |
The present invention relates to a roll stand arrangement comprising a roll unit (1), two drive spindles (6, 7), a pinion stand (3), a pinion stand housing (5) and a drive unit (4). According to the invention, the components (1-4) of the...
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WO/1994/021399 |
The present invention relates to a drive arrangement for roll-pairs having synchronously driven shafts. The inventive drive arrangement includes an alternating current motor (12) and a planetary gear mechanism (13). The invention provide...
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WO/1994/000705 |
Transmission unit for driving two parallel shafts, at least one shaft being movable at right angles to its lengthwise direction, for example for a rolling mill (1). In this case each shaft (8, 11) is provided with a crown wheel (14, 15) ...
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WO/1993/020960 |
A rolling stand (5) comprises at least three driven rolls (27, 28, 29), having their axes (A1, A2, A3) of rotation which are concurrent one another and lie in a plane perpendicular to a rolling axis along which the rolling stand is locat...
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WO/1993/012898 |
A replaceable rolling mill of the equipment for rolling a steel strip, which is capable of shifting the rolls from a horizontal position to a vertical position and vice versa. This mill has a pair of first shafts detachably connected by ...
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WO/1991/004107 |
An edging mill has a pair of vertical rolls which are rotatably supported in cassettes which are supported by respective movable housings, the housings can be moved towards and away from each other and the cassettes can be moved horizont...
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WO/1991/001824 |
The device comprises a roller for longitudinally rolling a hollow blank (12). The roller comprises four rolling stands (1, 2, 3, 4), the first stand comprising two round-grooved cylinders (7, 8), the other three stands comprising four dr...
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WO/1991/001826 |
A rolling mill has a power source (10) driving a common drive shaft (11) which in turn drives gearboxes (12 to 15). Each gearbox drives a respective shaft (16 to 19) which in turn drives a roll (20 to 23). A free wheel (24) is provided b...
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WO/1990/010508 |
The roller of the invention is designed in particular for rolling mills and metallurgical plants. The roller body has an axial bore passing through it, and a spindle with several stepped sections. The roller body is held by force against...
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WO/1990/000448 |
A cross-rolling mill comprising a plurality of workpiece engaging rolls (10, 11) defining between them a roll aperture through which a workpiece (23) passes during rolling, and a workpiece engaging tool (20) associated with said rolls, t...
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WO/1989/007494 |
In a toothed clutch all the teeth (4, 5, 6, 7) are provided with flat lateral surfaces. The teeth (4) of the cage (1) and the internal teeth (7) of the intermediary ring (3) are U-shaped, whereas its external teeth (6) and the teeth (5) ...
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WO/1988/010160 |
In a drive mechanism for cold pilger rolling mills with mass and torque balancing, the crank being driven is connected by a connecting rod to the roll stand. In order to obtain a drive mechanism which is compact, economical, and subjecte...
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WO/1988/008761 |
A rolling mill stand has a pair of work rolls which are movable axially. At least one of the rolls has a pair of rams attached to the mill housing and having a part displaceable in the direction of the length of the roll. The displaceabl...
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WO/1988/002668 |
A driving apparatus in which the power of a single electric motor is distributed to two shafts via a neck roller, the power distributed to these shafts being then transmitted to rolls via a speed reducer. Internal planetary gears are use...
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WO/1988/001544 |
In order to improve the drive of continuous rolling trains and thereby ensure a uniform rotation speed of each roll in the various stands in return for a minimum investment in electromotive power and drive system, it is proposed that to ...
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WO/1985/001458 |
An inclined rolling mill includes pressure rolls with an inlet-side interfacial angle and an outlet-side interfacial angle which are disposed with an inclination such as to provide a predetermined angle of lead. The rolling mill is provi...
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JP2011115825 |
To provide a new method of suppressing and controlling the torsional vibration of the shaft of a rolling mill, by which the torsional vibration of the shaft, which is caused when imparting speed variation to a motor, is effectively suppr...
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JP2010201475 |
To provide a reduction gear for driving rolls, which is lighter in weight than a conventional one and which provides driving force suitable to drive a rolling mill without using a large-sized kammwalze gear.The reduction gear 10 has one ...
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JP2010179366 |
To provide a drive system for a cold pilger mill which is simplified and inexpensive.In the drive system 1 for a rolling mill, especially the cold pilger mill, which is equipped with at least one rolling stand 2 which is movable forward ...
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JP2009172670 |
To provide a compact following mechanism for moving a spindle following a roll stand so as to effectively absorb vibration or impact receiving from outside in a shifting rolling mill in which the spindle at a drive motor side and the cou...
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JP2008212989 |
To provide a rolling reduction apparatus for cast slabs, which apparatus can carry out the rolling reduction while adjusting the carrying speed of the cast slabs for every strand arranged at the same position in a plurality of the strand...
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JP2008194752 |
To provide an improved modular rolling mill capable of producing articles of various lengths in spite of a single rolling mill and also, easily performing rolling under heat treatment at a low temperature between rolling units.Rolling un...
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JP3971016 |
To avoid difficulty and a defect, accompanied by conventional arts, especially eminently reduce the occurrence of wear of a wear plate, prevent the generation of uneven rotation torque, and further develop and modify to optimize an opera...
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JP2007130649 |
To provide a spindle device of a work roll shifting mill with which the damage of a slipper metal type coupling is prevented by imparting a clearance in the axial direction to the slipper coupling part by taking the movement in the axial...
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JP2007132767 |
To provide a drive shaft damage diagnosis device, capable of discriminating both exfoliation and abrasion of a cross of the drive shaft from a raw waveform outputted from a displacement sensor, when diagnosing damage to the drive shaft o...
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JP3928912 |
To provide a rotating shaft connecting mechanism ensuring that the elliptical connection of a pressure roll can be pressed into contact by causing an elliptical inner hole in a roll coupling to uniformly contract. A cut surface 2c is for...
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JP3925891 |
To provide a rotating shaft connecting mechanism ensuring that the elliptical connection of a pressure roll can be pressed into contact by causing an elliptical inner hole in a roll coupling to uniformly contract. The roll coupling 2 hav...
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JP2007021549 |
To provide a rotary shaft coupling mechanism which is high in strength as compared with a conventional one, on which a female screw for fastening can be formed without lengthening the entire length of a coupling and with which the streng...
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JP2006341275 |
To provide a wire rolling apparatus which can shorten a waiting time from the passing of the tail end of a wire material in rolling to the supply of the leading end of the next wire material, and can achieve a high operation rate.When th...
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JP3889006 |
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 ...
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JP2006326602 |
To provide a compact and space-saved rolling mill without providing any universal spindle between a rolling mill body and a driving device regardlessly of the employment of double support type easily adaptable to have multiple calibers.T...
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JP3855506 |
To provide a speed control method for a roll driving motor suitable for carrying out speed control while suppressing hunting even if a periodic fluctuation is generated in the speed achievement due to aging. A speed controller for roll d...
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JP3842113 |
To provide a detachable mechanism for a rotatable annular grooved leveling roller around a spindle. A spindle (1) has an air space (4) into which a pusher (9) is inserted, and the pusher (9) has tapered thrust surfaces (9a, 9b) which dis...
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JP2006175446 |
To elongate the life of the tie bolt of the main clutch drum in a cold Pilger mill by easily carrying out the reuse of the tie bolt even if the tie bolt has been broken.In the tie rod for fixing the main clutch drum to the brake drum in ...
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JP2006159256 |
To provide a fixing method when the electromagnetic coil of the electromagnetic tooth clutch of the screw-down pointer of a slab blooming mill is burned out.In the case the electromagnetic coil is burned out in the electromagnetic tooth ...
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JP3774458 |
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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JP3757188 |
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 ...
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JP3740778 |
To provide a different speed rolling mill which is made so that rolling forces which act on a rolled stock are differently distributed in the width direction and the distribution patterns are easily adjusted during rolling and to remarka...
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JP2005279704 |
To provide a rolling line for both a wide flange shape and a flat bar by which product quality equal to exclusive vertical mill is secured without installing an exclusive vertical mill for edge rolling of the flat bar or the like in a wi...
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JP3721075 |
To provide a method for preventing vibration in a rolling roll driving system by which an apparatus trouble accompanied with the vibration generated in the rolling roll driving system can be prevented. By detecting the height of a portio...
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JP3715281 |
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 st...
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JP3715801 |
To reduce the cost of equipment by decreasing three rolling mills which are required at a minimum in a conventional intermediate/finish rolling down to two and also to smoothly rolling even a wide flange shape whose web thickness is extr...
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JP2005234982 |
To provide a drive shaft monitoring device preventing interference without causing any problem such as limitations on the number of installed machines or increase in costs.In receipt of a data request signal by radio from the master mach...
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JP2005059087 |
To provide a cluster mill the installation, the maintenance and the inspection of which are easy and roll marks are less prone to be transferred on a rolled stock.This cluster mill is applied to a cluster mill having a pair of center bac...
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JP2005059067 |
To provide a cluster mill with which the pattern of crown control is increased by simple structure and the shape control of the metal plate is performed at high accuracy and a rolling method of the metal plate using the same.The cluster ...
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