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JP2004351461A |
To provide a method for adjusting an inter-shaft initial value of a rolling roll by which the inter-shaft initial value can be simply and highly accurately adjusted.The rolling rolls 25, 26 are oppositely arranged. The rolling rolls 25, ...
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JP3603033B2 |
In a cluster type split housing type rolling mill, the plate thickness control capability is improved by suppressing decrease in the mill rigidity as small as possible. Two pass line adjusting mechanisms (15, 16) are arranged between the...
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JP2004347093A |
To provide a bearing device capable of surely preventing tilting of an outer ring.In this bearing device 10, the outer ring is divided into two of an upper and a lower outer rings 12 and 13, and an upper rolling body 16, which is arrange...
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JP2004330281A |
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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JP3593953B2 |
To provide a roll chock clamping device suitably clamping a roll chock without any influence on AGC system. Upon the roll chock clamping device of a rolling mill having a work roll and a back-up roll supporting the work roll, the device ...
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JP2004314089A |
To provide a device, a method or the like by which a roll gap is simply adjusted without necessitating expensive devices such as hydraulic servomechanisms and reduction screws when adjusting the gap between rolls by pressing at least one...
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JP2004298904A |
To provide a simple device having the same action and function though a roll chock fixing device has a pneumatic cylinder for restraining it in the vertical direction and requires pneumatic piping, a hose, a switching valve, etc., and an...
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JP3576130B2 |
An apparatus for retaining a bearing assembly (10) on the neck (12) of a roll (14) in a rolling mill. The apparatus includes an adaptor element (44) having outwardly projecting first lugs (74) circumferentially separated by first flutes ...
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JP3576439B2 |
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JP2004268128A |
To provide a bearing sealing device of roll neck parts of rolling rolls capable of certainly solving the problem that a bearing lubricant oil is leaked out to the rolling roll side and attached to the surface of the rolls or the steel st...
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JP3567942B2 |
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JP3564870B2 |
To manufacture a thin wire having a wire diameter of ≤5.5mm at high efficiency and in a high quality. A rolling device 1 is provided with a pair of 1st rolls and a pair of 2nd rolls which are mutually connectivity arranged in the rolli...
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JP3564874B2 |
To prevent the variation of finishing thickness and to stably executing a cold tandem rolling by raising the lubricating state only at the time of changing shift position when the lubricating state become worse. In order to increase the ...
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JP3562034B2 |
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JP3560861B2 |
To maintain high productivity of a plate material with a good finished surface without flawing the plate material by satisfying the relationship of HVR≥1.5HBB+770 when the hardness of roll surface is expressed in Vickers hardness HVR a...
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JP3555751B2 |
To form a part of a board material into a thin shape, and to form the thin part of the board into a trapezoidal shape by rotating a rolling means on the turn table, thereby achieving lightening in weight of the board and reducing the cos...
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JP3553434B2 |
To provide a ball-and-roller bearing for rolling mills which has more effective rust-preventing function while maintaining the performance for a conventional ball-and-roller bearing using carbonized and quenched steel and is useable over...
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JP3552074B2 |
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JP3553450B2 |
To provide a running pair cross type rolling mill without requiring a new space for plane bearings for running cross and a method for reducing its running cross manipulating force. In the flying pair cross type rolling mill in which, sha...
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JP3553294B2 |
To provide a rolling method of metallic foils especially for raising productivity and for obtaining a good shape of a sheet concerning the rolling method of the metallic foils with a multistage roll mill. This multistage roll mill consis...
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JP3551031B2 |
To sufficiently supply lubricant to each of a pair of bearings so as not only to prevent the bearings from seizing or rusting but also to greatly decrease the volume of lubricant which is to be fed between the bearings from a supply hole...
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JP2004209532A |
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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JP3543913B2 |
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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JP3543234B2 |
PURPOSE: To effectively reduce the amount of edge drop in the joined part between coils and decrease the wear of working rolls, back-up rolls or the like by shifting the work rolls rapidly and definitely. CONSTITUTION: In the completely ...
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JP3541464B2 |
PURPOSE: To provide a rolling method for a steel strip which can produce a high-precision product at low cost with a simple control without the affect of rolling conditions by utilizing the characteristics of four-roll mill. CONSTITUTION...
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JP3541973B2 |
PURPOSE: To stabilize edge-drop control in cold rolling. CONSTITUTION: In cold rolling in which a rolling mill 10 having a pair of work rolls in the end part on one side of the roll barrel of which grinding for tapering is executed are u...
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JP3542991B2 |
To provide a method for rolling a steel strip using a pair cross rolling mill capable of preventing a plate curvature or a steel strip fracture when rolling the steel strip by always keeping constant the position in which the clearance b...
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JP3542989B2 |
To provide a pair cross rolling mill and a rolling method therefor capable of preventing plate bending or a steel strip fracture phenomenon at the time of rolling a steel strip by constantly setting a position where the clearance between...
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JP2004174552A |
To provide a rolling mill which effectively supports large thrust-force in cross rolling.In a rolling mill rolling a material to be rolled with an upper work roll and a lower work roll, which are crossed and between which the material is...
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JP2004516939A |
Disclosed is a roll driving system for a rolling mill. The roll driving system comprises hydraulic cylinders disposed in parallel between a rolling mill housing and a roll housing for supporting a backup roll and a work roll; load positi...
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JP2004516945A |
The aim of the invention is to improve known roll stands ( 10 ) which are characterized by working rolls ( 1,2 ) of various diameters, in such a way that a strip is obtained which is largely free of tensions and undulations, has a desire...
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JP3535006B2 |
To obtain a combination mill the interval between housings of which is changeable easily in a short time in the case the rolling is changed from a universal mill to a horizontal 2-high mill (or, contrarily, from the horizontal 2-high mil...
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JP3536402B2 |
PURPOSE: To provide a rolling roll for roll shift and roll shift rolling mill having a crown with which factors having an influence on rolling performance are corrected and which copes with all rolling conditions. CONSTITUTION: When roll...
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JP3535946B2 |
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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JP3534492B2 |
PURPOSE: To prevent the wear of the inner peripheral surface of a key groove, caused by a friction contact between the inner peripheral surface of the key groove formed in a shift drive member and the fitting part of the key fitting in t...
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JP2004156751A |
To realize a double row conical roller bearing with an aligning mechanism capable of realizing miniaturization by increasing the rated load capacity of a conventional double row conical roller bearing with an aligning mechanism.The doubl...
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JP3532819B2 |
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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JP3526636B2 |
PURPOSE: Not to vary a gap between working rolls even when operating a bending cylinder by memorizing a rolling load and adjusting a hydraulic drawing down force for rolling with a memorized value so that the varied quantity of a rolling...
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JP3526554B2 |
To realize stable rolling by suppressing the deflection of work rolls and without making the bearing boxes of the work rolls flactuate in tandem rolling equipment and its rolling method. The axial center of the work roll 1 is offset on t...
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JP3524191B2 |
PURPOSE: To automatically, safely, and efficiently supply grease to the chock of a rolling roll by a grease gun. CONSTITUTION: A grease gun 9 is advanceably and retreatably supported by a rail 17 provided on a chock receiving stand 6, an...
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JP3525870B2 |
To provide a method for processing a crosshead of a roll cross mill which can maintain accuracy of the crosshead without replacing the crosshead body and by correcting inclinations in the up and down direction of up and down work roll cr...
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JP3519174B2 |
PURPOSE: To make the changing and adjusting works easy and efficient by arranging chocks in the vicinities of both end parts even when the width of a work roll is narrower, increasing the rigidity of the work roll and changing a pair of ...
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JP3517187B2 |
To provide a tool to forcibly axially mount and demount a bearing assembly part in a mounting position on the neck part of the roll of a rolling machine. A tool 64 is provided with a piston 74 surrounded by a cylinder 66. The piston 74 i...
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JP2004098073A |
To provide a multiple rolling mill of high shape control capacity, long bearing service life and high durability.In the multiple rolling mill 1, reducing roll sets 10 and 10' including work rolls 11 and 11' are arranged symmetrically in ...
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JP3514106B2 |
To obtain the setting of work roll shift without unchanging a zigzag arrangement in the work roll shift by setting a stored shift position in a storing means as the actually shifted position after restarting the shift of stands temporari...
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JP3511750B2 |
PURPOSE: To provide a rolling method and rolling mill for making linear pressure distribution uniform between rolls in work roll cross rolling and for preventing fatigue fracture and wear of roll. CONSTITUTION: Concave crowns for uniform...
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JP2004090094A |
To provide an apparatus and a method for compensating varying thermal expansion of rolls on the stand of a strip mill to obtain a strip without the defect of quarter buckle.This mill stand has a pair of shiftable rolls with which the rol...
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JP2004082171A |
To provide an inexpensive sealing device for leveler buck up rolls the coefficient of friction of which is lower, with which the rise of torque of the leveler back up roll is not brought about and which is excellent in sealing capacity.T...
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JP2004082200A |
To provide a thrust bearing mechanism which can withstand thrust force in the axial direction of a roll which is increased in proportion to rolling force which is generated with shape control and increased, when rolling a new material su...
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JP2004084869A |
To lengthen a service life by restraining damage of an inner race of a rolling bearing for a backup roller used for a multistage rolling mill.In this rolling bearing for the backup roller of the multistage rolling mill, the inner race is...
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