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JP09220604 |
To simplify a hydraulic system, to reduce the cost of equipment and to facilitate maintenance and inspection by setting respectively simultaneously positions of a mill stand and a spindle holding device with a shifting cylinder. At the t...
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JP2684529 |
PURPOSE: To provide a coupling capable of automatically locking the connection of a coupling sleeve and a coupling journal when the coupling sleeve is fitted to the coupling journal or the coupling journal is pressed into the coupling sl...
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JP09192703 |
To reduce the cost of equipment in a rolling line for steel bars and wire rods. In this method, a stock for steel bars and wire rods is successively rolled and its area is reduced with 2-roll mill train 100 in which 2-roll mills are cont...
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JP09155401 |
To provide a rolling mill with which the adjustable range of size is wide and simplification of equipment is enabled at the time of rolling round bars and wire steel. The final finishing mill to a material 15 to be rolled is composed as ...
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JP09155414 |
To provide a tube stock of excellent dimensional accuracy by keeping a taper plug in the full-float condition with one pair of four-roll stands as large diameter roll and with the other pair as small diameter rolls to dispense with the p...
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JP09150210 |
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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JP2659349 |
To automatically adjust the direction of the oval part of the shaft end on the driving side of a rolling roll. When the oval part 20 is in a prescribed direction, measuring devices 21, 22 are arranged at the equal distance outside radii ...
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JP2653330 |
PURPOSE: To carry out an automatic continuous monitoring of the amount of deviation that is caused due to the deterioration of shear pins between members on the driving and driven shaft sides which are connected with the shear pins in a ...
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JP09122718 |
To easily improve the dimensional accuracy of a wire which is formed by rolling by remarkably reducing variation of the gap between a pair of rolling rolls. In the nondriven rolling roll device 10 for imparting a prescribed shape by roll...
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JP2644136 |
PURPOSE: To correspond to different sizes of a product through a single three- roll mill by providing plural couplings for connecting a drive shaft part and plural supporting carriages for setting a rolling central height after the rolli...
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JP09076005 |
To automatically adjust the direction of the oval part of the shaft end on the driving side of a rolling roll. When the oval part 20 is in a prescribed direction, measuring devices 21, 22 are arranged at the equal distance outside radii ...
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JP09070193 |
To provide a method and device for controlling the load of a motor which transmits rotational energy to a rotary machine system through a fast speed changing fluid coupling. The load of a motor 1 is controlled so that the load cannot exc...
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JP09066307 |
To provide a level adjustment device for rolling mill spindle capable of executing level adjustment in high precision with simple operation and in short time. When a spindle carrier 11a is ascended with driving a hydraulic cylinder 18, t...
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JP09057314 |
To prevent breaking of a sheet caused by reversion of a rolled stock by adding a current reference value which is converged to zero at a prescribed timewise change rate to current controllers for mill driving motors during stopping a rol...
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JP09032862 |
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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JP2602795 |
To provide a modular rolling mill easily adaptable to the product size in an extensive range by providing a means to connect several rolling units to two adjacent gear reduction units in an attachable/detachable manner, and connect the r...
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JP09010808 |
PURPOSE: To improve working efficiency by measuring the delivery speed of a material to be rolled or a material to be straightened on the outlet side of a rolling mill or a straightening machine and executing feed-back or setup of the me...
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JP09001217 |
PURPOSE: To facilitate the change of reduction of area by coupling vertical drive shaft and horizontal drive shaft with a bevel gear to drive rolling rolls with an arbitrary drive shaft on one side, and making it possible to change over ...
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JP08226451 |
PURPOSE: To provide a shaft connecting mechanism capable of easily removably attaching a rotary shaft while being compact and economical without any play during running. CONSTITUTION: A roll shaft 21 having flat surfaces 22A on the outer...
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JP08226452 |
PURPOSE: To provide a compact and economical shaft connecting mechanism capable of attaching easily removably a rotary shaft without any play during running. CONSTITUTION: A roll shaft 21 having on the outer peripheral surface, a pair of...
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JP08206718 |
PURPOSE: To effectively control the speed fluctuation of a rolling roll caused by a twist vibration. CONSTITUTION: An acceleration current reference is outputted by a speed controller 9 according to the input of a deviation between the s...
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JP2546951 |
PURPOSE: To enable precise round rolling in a finishing block without using a separate mechanical operation. CONSTITUTION: In a block type rolling mill having a plurality of roll stands arranged along a rolling pass line P, each roll sta...
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JP2547522 |
PURPOSE: To make a torque cell compact and easily attach the torque cell to the various types of rolling mills. CONSTITUTION: Through holes 72, 73 along the axial line are provided on the shafts 70, 71 of a reduction gear 56. The torque ...
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JP2550295 |
PURPOSE: To realize a reasonable and economic conduction coupling device and a shaft member used in the device, by which any disadvantage in a conduction coupling means including a spline or the like can be effectively avoided. CONSTITUT...
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JP08197111 |
PURPOSE: To prevent roll slip and to completely eliminate the generation of the collision of a tube between respective stands by executing drooping to the speed of rotation of rolls of a reducer in accordance with the load of an electric...
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JP2534957 |
PURPOSE: To deal with the production of many kinds in small quantities by changing roll size quickly at a set of roll forming stands and reducing the dead time of a line. CONSTITUTION: A forming line 1 composed of many cold roll forming ...
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JP2534964 |
PURPOSE: To compactly install the whole of a rolling mill by directly connecting a roll shaft to the speed reducing output shaft of a motor on the same center line and unnecessitating a connecting rod and a universal joint. CONSTITUTION:...
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JP2526447 |
PURPOSE: To offer a planetary reeler for improving the shape of inside surface and accuracy of thickness of tube which is rolled with a rolling mill of mandrel mill. CONSTITUTION: The planetary reeler A is arranged on the downstream side...
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JP08145072 |
PURPOSE: To exchange a bearing without demounting an adapter by fitting the adapter to the one end part of a roll shaft on which a bearing is mounted, detachably connecting an universal coupling to the other end thereof, and shortening t...
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JP08117810 |
PURPOSE: To reduce dimensions in the width direction and to make a device compact by connecting a 1st geared motor to the end part of a 1st roll and connecting a 2nd geared motor to the other side of a 2nd roll. CONSTITUTION: The geared ...
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JP08103804 |
To provide a modular rolling mill easily adaptable to the product size in an extensive range by providing a means to connect several rolling units to two adjacent gear reduction units in an attachable/detachable manner, and connect the r...
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JP08066707 |
PURPOSE: To prevent the occurrence of crimp and whirling between female and male shafts regardless of the relative elongation quantities of both shafts by partitioning and forming hydraulic pressure chambers extending in the peripheral d...
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JP08066716 |
To supply two or more wire rods or round bars of iron or ferrous alloy to a construction machine of bending/forming machine and to compensate elongation of two or more rods or round bars. This device is constituted so that a pair of oppo...
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JP08057507 |
PURPOSE: To dissolve a measuring operation under a severe operation environment by performing continuously and automatically a temperature measurement in the slipper part of a slipper metal type universal joint device without stopping th...
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JP08019802 |
PURPOSE: To eliminate the need of troublesome work for changing driving/ transmitting means at the time of posture shifting of a rolling roll and to unnecessitate devices which had been necessary to that change. CONSTITUTION: One end par...
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JP08021453 |
PURPOSE: To provide a gear type universal joint for reducing the down-time of a line through the supply of lubricating oil and the exchange of a sealing ring. CONSTITUTION: Supplied oil quantity detecting holes 3a and 3b are formed so as...
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JP08019280 |
PURPOSE: To avoid trouble on operation such as a roll slips, even in the case that the speed drops by the limitation on control of a motor controller by outputting a speed standard correction signal out of the motor controller, and input...
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JP08010808 |
PURPOSE: To simplify structure, to obtain large driving power and smooth motion of rolling mill by providing a piston cylinder device and a geared transmission system including a rack/pinion mechanism for transmitting the reciprocating m...
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JP08004778 |
PURPOSE: To provide a coupling capable of automatically locking the connection of a coupling sleeve and a coupling journal when the coupling sleeve is fitted to the coupling journal or the coupling journal is pressed into the coupling sl...
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JP07328706 |
PURPOSE: To provide a multi roll mill with which a hard-to-work material such as a super alloy and other materials are plastically worked into bars, wires, etc., having a desired cross-sectional shape and dimensions at high productivity,...
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JP07323304 |
PURPOSE: To prevent a material to be rolled from being struck by a round- caliber roll on the non-driven side and from causing surface flaws of roll by slipping when the material to be rolled is bitten by a 4-roll type rolling mill provi...
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JP07314010 |
PURPOSE: To provide a mill controller which is operated in both tilt and crown modes and, one the other hand, with which each saddle is independently adjustable by providing a computer control system which simultaneously drives multiple ...
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JP07314020 |
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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JP07310751 |
PURPOSE: To realize a reasonable and economic conduction coupling device and a shaft member used in the device, by which any disadvantage in a conduction coupling means including a spline or the like can be effectively avoided. CONSTITUT...
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JP07308705 |
PURPOSE: To simply and surety predict the generation or surface gloss difference generated in a metal plate. CONSTITUTION: In a rolling mill in which the end part of a driving roll 1 is connected to a pair of right and left driving shaft...
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JP07284802 |
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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JP07256318 |
PURPOSE: To contrive efficient roll-changing work by surely supporting couplings and stabilizing the posture. CONSTITUTION: In a spindle support 30 for supporting the couplings 28, 29 which are mounted in the tip parts of spindles 26, 27...
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JP07256316 |
PURPOSE: To obtain rigidity which is simple in structure and resistible against a high rolling stress by successively installing a plurality of housings, securing to one another and also coupling a common mill drive, to the base structur...
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JP07256311 |
PURPOSE: To average the strength of upper and lower couplings having an oval-shaped hole and to improve the strength of the oval-shaped hole parts by providing the phase of pivotally attaching part of cross pin of the upper and lower cou...
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JP07224852 |
PURPOSE: To prevent the generation of a thrust force exerted on a work roll in linkage with rotation of a spindle. CONSTITUTION: Recessed parts 65a and 65b positioned in the slide surfaces of the nipping pieces 50a and 50b of a slipper m...
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