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JP2001071003 |
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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JP2001065587 |
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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JP2001058208 |
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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JP2001047115 |
To inexpensively provide a wire rod rolling mill capable of extending the range of size-free without increasing the equipment of a rolling mill, excellent in rolling quality such as dimensional precision and suppressing in investment amo...
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JP2001038419 |
To provide a rolling steel product correction machine having an openable shoulder in horizontal direction for changing a roll quickly. There is provided a rolling steel product correction machine wherein a frame structure 11 has a pair o...
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JP2001001010 |
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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JP2000312908 |
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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JP2000312906 |
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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JP2000301202 |
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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JP2000301206 |
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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JP2000288611 |
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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JP2000271619 |
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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JP2000271618 |
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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JP2000263109 |
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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JP2000257647 |
To provide an automatic detachable coupling device capable of automatically coupling drive shafts together and accurately transmitting torque, as well as achieving short time increase and decrease of rotation speed with a small capacity ...
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JP2000246305 |
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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JP2000233203 |
To enable high-draft rolling for suppressing load at the time of biting. Rolling speed V1 is set beforehand to be slower than predetermined rolling speed V2 and also the opening degree between rolls is made larger than the preset. In thi...
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JP2000233206 |
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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JP2000202511 |
To exactly diagnose the abnormality of a cross bearing which is used for the spindle of a universal joint applied to a rolling mill online. Lubricating oil is sampled at oil supplying timing when the lubricating oil for the cross bearing...
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JP2000197906 |
To realize hydraulic rotation/feeding drive having high reliability and whose maintenance is easy by opening for a time interval which is proportiond to a required stroke of a driving mechanism where a proportional valve is operated with...
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JP2000184763 |
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 dr...
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JP2000176519 |
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 bet...
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JP2000167608 |
To provide an overloading prevent device with which transmission of torque is surely interrupted when overload is generated and the interrupted state is maintained without slip or the and which is executed by a simple structure and at a ...
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JP2000158011 |
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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JP2000140916 |
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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JP2000140915 |
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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JP2000130430 |
To protect a coupler of a working roll of a rolling mill from water droplets and dust floating around the rolling mill by arranging a dust seal between a drive shaft of a driving device to drive the working roll and the working roll. A l...
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JP2000126808 |
To execute additional cooling without interrupting the continuity of a drive array by providing gaps on a rolling sequence for a module type rolling mill. In this module type rolling mill, gear units GU1, GU2 are installed between select...
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JP2000117316 |
To correct the external surface of an incomplete product to the size and shape within the allowable range at a very high speed by advancing/ retracting one set of rollers in a housing to be rotated around the axis with respect to the axi...
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JP2000107801 |
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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JP3046892 |
PURPOSE: To automatically connect and disconnect a spindle of brush roll at the time of changing work rolls of an aluminum hot rolling mill. CONSTITUTION: Connectors 1 inside which spline grooves are provided are freely vertically movabl...
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JP3042137 |
PURPOSE: To obtain the subject compound having high fluorine content and easily giving a thermosetting bisimide useful as a raw material for polyimide, polyamide, etc., by reacting a specific fluorine-containing aromatic diamine compound...
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JP3040274 |
PURPOSE: To prevent quality of a product such as rupture of a rolled stock and gage change from being deteriorated and to improve the responsiveness of the speed reference value of a mill by providing an acceleration reference arithmetic...
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JP2000061516 |
To provide a spindle supporting device for rolling mills with which inclined spindles are directly supported freely rotatably, work is possible without breaking down the spindles in the case the bearings are changed and maintenance are n...
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JP3037048 |
PURPOSE: To provide the controller of a glass forming machine precise and rich in degrees of freedom by collectively controlling the pressing speed and pressing position as well as the pressing force of a mold. CONSTITUTION: A driving sh...
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JP2000042607 |
To stop rolling without deteriorating the precision of a product dimension by restraining an inertia rotation of a crank after a cutting command to a main clutch in a rolling stop of a cold Pilger mill. When rolling is stopped, a main mo...
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JP2000042614 |
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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JP11319906 |
To prevent the generation of a dog bone and fish tail even at the time of reverse rolling in a rolling device provided with horizontal rolling mills and a nondriven vertical rolling mill. In this rolling device, the horizontal rolling mi...
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JP11285704 |
To enable rolling at many kinds of finished sizes of rolled products having an equal starting section of a roll stand which is precedingly provided on one hand and to enable finish rolling of a material to be rolled which is drawn out of...
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JP11280779 |
To lessen the number of part items to reduce a cost, and also miniaturize a universal joint to install it even in a narrow space. In this universal joint, the end part outer peripheral surface of a first shank 1 is adopted to be a spheri...
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JP11267722 |
To provide a power transmission device with which the driving of ranged roll stands is enabled by a simple composition and at different velocity ratios in a continuous rolling mill. The continuous roll stands 10, 12 in the mill are conne...
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JP2984500 |
PURPOSE: The system is applicable in a rolling machine in which rolls are recombined during running and a rolling machine in which a thin metal sheet is rolled under high pressure by a nondriven small diameter working roll provided in th...
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JP11244919 |
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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JP2963262 |
PURPOSE: To enable estimating load distribution between a rolled stock and a work roll and also to manufacture the rolled stock excellent in surface quality using back-up roll which is divided in the direction of the axial line. CONSTITU...
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JP11188410 |
To provide an equipment which attenuates vibration to be often occurred when the thickness of a roll is drastically reduced, wherein almost equal friction condition is generated between a band surface of a rolled stock and an upper roll,...
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JP11179408 |
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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JP2939256 |
To provide a miniaturized wire rolling device with simple structure. In the wire rolling device of a form which has a pair of grooved rolls 1, in which grooved rolls are respectively fixed to the free end of each spindle 2 which is rotat...
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JP11153147 |
To facilitate the positioning work in a rotation transmitting mechanism capable of positioning in the peripheral direction. A first shaft 10 and a second shaft 20 are combined by a sleeve form of coupling case 30. The second shaft 20 and...
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JP11151503 |
To provide a miniaturized wire rolling device with simple structure. In the wire rolling device of a form which has a pair of grooved rolls 1, in which grooved rolls are respectively fixed to the free end of each spindle 2 which is rotat...
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JP11129004 |
To process, at high speed, a thick and large tape into a thin narrow tape by rolling the material with a pair of rolls installed in parallel to the moving direction of the material by moving reciprocally in a right angle direction agains...
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