| Document |
Document Title |
|
JP3942286 |
To eliminate a water droplet from stagnated in a groove and to scarcely develop rust in a conical roller and a track plate by arranging the track plate with a groove in the upper side of a bearing and by arranging a disk track plate in t...
|
|
JP3935132 |
To provide a zero point setting method of the roll opening of a vertical rolling mill capable of easily setting the zero point of the roll opening of the vertical rolling mill with excellent accuracy. In the zero point setting method of ...
|
|
JP3921176 |
To provide a bush which enables machining of a roll without the need for removing a bearing, and without degrading the accuracy of finishing. A bush for use in a bearing for supporting a roll of a rolling mill has a cylindrical wall havi...
|
|
JP2007007696 |
To provide a roll shifting rolling mill with which the deterioration of sheet crown is suppressed and rolling under the optimum roll shift is attained even when wear on the surface of a work roll is progressed and the roll shifting funct...
|
|
JP3900581 |
To provide the high reduction rolling mill by which a high draft is obtained by one pass, and thus a rolling line can be shortened by a mechanism which is hard to damage and is easy to maintain. The rolling mill is equipped with upper an...
|
|
JP3902773 |
To provide a roll stand of a rolling mill which manufactures a shaft having sufficient stiffness. The roll stand of the rolling mill includes parallel rolling shafts 10 which are supported with the first and the second bearings 12 and 14...
|
|
JP3901874 |
To provide a double row conical roller bearing device to provide an increased life for a bearing. The working line of a rolling body load crosses outside the radial direction of an outer ring 2. Two inner ring raceway 1a is formed on an ...
|
|
JP3898927 |
To provide an apparatus and a method for compensating fluctuating thermal expansion of rolls in the stand of a strip mill to obtain a strip having no defect of quater buckle. The mill stand has a pair of side-shiftable rolls with which a...
|
|
JP3897669 |
To remarkably reduce the possessive number of guides, to impart guiding function of surely guiding a rolled stock into a rolling mill without having especially large-scale equipment and also to perform roll changing work of the rolling m...
|
|
JP2006346724 |
To prevent deterioration of a product accuracy in a housingless mill by eliminating the displacement between an upper and a lower work rolls caused by thrust force in the axial direction of the work rolls, which brings about caliber misa...
|
|
JP3895803 |
To make it possible to easily control a tensile force applied by a strip by controlling rocking links by separate hydraulic cylinders and forming a base connecting the same as a torsional spring. First roll is almost stationally born and...
|
|
JP2006341288 |
To provide a multiple rolling mill with which the time of roll changing is shortened by providing a roll chock clamping device with which space for pulling out a roll is secured without the need of handwork when changing the roll.Tools w...
|
|
JP3892418 |
To provide a laying head for reducing deflection caused by centrifugal force and thermal expansion. The interior surface of a quill 10 is machined in a region 24 to closely match the curvature of a laying pipe 12. An interior pipe suppor...
|
|
JP2006334608 |
To provide a plate rolling mill by which the contraction of an area of a plate in a rolling mill is remarkably reduced at a small expense, and a rolling method using the plate rolling mill.In the rolling method with a 4-stage or a 6-stag...
|
|
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 ...
|
|
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...
|
|
JP2006320916 |
To shorten working time from disassembly of a roll from chocks until a roll is again assembled when performing machining for repairing a worn roll without necessitating the modification of the chocks themselves and to prevent defective q...
|
|
JP2006297425 |
To provide an adjusting method of the zero-point of the lower horizontal roll of a rolling mill by which the zero-point adjustment of the horizontal lower roll can be easily performed and the level difference between the drive side and t...
|
|
JP2006297423 |
To provide a method for pulling-out forming roll chocks by which the roll chocks can be stacked up in a short period of time.The method is provided for pulling out, from a forming roll stand 11 for electric resistance welded tube, the fo...
|
|
JP3873505 |
To present guidance for exactly adjusting roll position by a simple system. Two parts where are symmetrical to the center line in the axial direction of roll in a roll caliber are decided as a detecting position P2, each reference profil...
|
|
JP2006297404 |
To provide an inner stand type rolling mill in which the rigidity of upper and lower horizontal rolls, an inner stand, etc. can be increased by shortening the center-to-center distance of stand posts as much as possible.The inner stand t...
|
|
JP2006289435 |
To provide an inexpensive skin pass rolling mill for a thick steel plate, and a skin pass rolling method using the rolling mill.The rolling mill for the thick steel plate has a load cell to measure the rolling reaction force and a rollin...
|
|
JP3861351 |
To allow deviation in a position between a roll shaft on a fixed bearing stand which is adjustable in pitch and screw-down location and a roll chock on a movable bearing stand. A receiving block 26 having a bearing surface 26a having a c...
|
|
JP2006263759 |
To provide a adjusting device of the roll gap with which the accurate gap adjustment is performed even in operation by accurately moving a cotter by the operation of a push-pull mechanism without being affected by a clearance even when t...
|
|
JP2006247702 |
To provide a hoisting tool used exclusively for edger rolls with which changing work of the edger roll is performed more smoothly in a short period of time and safely as compared with the conventional device.Modification is made to the h...
|
|
JP2006224170 |
To provide a changing method of the work roll of a continuous mill by which the work rolls of a certain stand of a continuous mill are changed in a short time while preventing the ununiformity of the temperature profile and the slip in o...
|
|
JP2006226357 |
To provide a roller bearing for a reserve roller of a multistage roller mill and a roller leveler of which the life is defined by a fatigue exfoliation life on a raceway surface and a replacement standard can be easily set while using ho...
|
|
JP3841864 |
To enable cost effective production with a simple structure by making universal roll assemblies for round tubes and profiled tubes exchangeable. The removal of the universal roll assemblies may be executed simply by lowering chocks 9 and...
|
|
JP3841850 |
To minimize the deformation of a housing window between vertical housing members occurring in rolling load by locating the smallest cross-sectional area of the vertical housing members in a central region between an upper horizontal hous...
|
|
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...
|
|
JP3827231 |
To reduce the cost by improving productivity by preventing inclusion of hydraulic oil in a coolant and suppressing the lowering of rolling property. In a rolling mill, lubricating oil J is supplied to bearing boxes 1a, 1b, 2a, 2b of work...
|
|
JP2006181639 |
To provide a rolling mill which can obtain a rolled material having an excellent shape and can perform a stable meandering control.The rolling mill for metallic material has a roll chock gap maintaining mechanism as its component which i...
|
|
JP3824113 |
To increase width rolling reduction by making the angle of bite between a rolled stock and a horizontal roll at the time of biting and to prevent a drop in the width of the tip. Two vertical rolls 14 for edge-rolling the rolled stock 13 ...
|
|
JP3824771 |
To strengthen durability of roller pins against loading and to prolong a life of parts. Relating to a pair of eccentric roller pins 2, 3 used for a roller guide inter-core adjusting mechanism, upper oil feeding inlets 4a, 5a and lower oi...
|
|
JP2006177433 |
To securely prevent defective rotation from occurring at low cost in a rolling bearing with a pin retainer.One ends of pins 5 of the pin retainer 4 are fixed to side plates 6 and 7 with tapered screws and the other ends thereof are fixed...
|
|
JP2006150380 |
To provide a bending liner replacement apparatus with which bending liner exchange work can be safely carried out in a simple manner.The bending liners 114, 115 are replaced in a liner replacing station. A chucking means 13 is opposed to...
|
|
JP2006150381 |
To mount a liner to a lower surface of a chock without revolving the chock in order to facilitate work of replacing liners (roller plates).The backup roll liner replacement apparatus includes: right and left chock receiving stands which ...
|
|
JP2006144081 |
To provide a bed slide plate for a cold pilger mill roll stand having excellent wear resistance by increasing the surface hardness of the sliding face in a cold pilger mill to the superhigh one.The material of a slide plate base metal 5a...
|
|
JP2006138380 |
To enhance strength of a machined cage for a cylindrical rolling bearing without deteriorating bearing service life.A cylindrical roller bearing for a steel facility is provided with an inner ring having a raceway on an outer periphery, ...
|
|
JP2006136936 |
To provide a cluster type rolling mill with which bending stress which acts on intermediate rolls is easily adjusted to not larger than the allowable bending stress.This cluster type rolling mill is provided with intermediate roll journa...
|
|
JP2006136919 |
To provide a housingless rolling mill which is compact, has high rigidity and is capable of preloading.Tie rods 19 pierce through upper and lower bearing housings 6-9 which incorporate bearings for reduction rolls. Hydraulic cylinders 23...
|
|
JP3809090 |
To provide a prestressing machine to be used for a combination mill which can be converted from a universal mill to a horizontal double rolling mill or reversely from a horizontal double rolling mill to a universal mill, wherein an optim...
|
|
JP3806261 |
To provide multiple rows of rolling bearings for supporting rolls of a rolling mill equipment whose manufacturing cost is low and maintenance cycle is long. The bearing ring and rolling element of 4-row rolling bearings 4 and 5 built in ...
|
|
JP2006122968 |
To effectively suppress a zigzag motion of a metallic material with a simple configuration of an equipment without using a special control system and a special zigzag motion control technique.A hydraulic cylinder 5 is arranged between a ...
|
|
JP2006122967 |
To suppress a zigzag motion of a metallic material during rolling without using a special control system and a special zigzag motion control technique.A hydraulic cylinder 5 is arranged between a working roll chock 3 and a backup roll ch...
|
|
JP3801350 |
To provide equipment capable of efficiently enhancing the accumulation of rolling strains and efficiently improving the strength of a rolling material by decreasing the amount of restoration of the rolling strains through shortening dist...
|
|
JP3802444 |
To obtain a configuration system of rolls, by which technical drawback in deforming work is evaded and tools are easily and rapidly exchanged by improving a cross rolling machine of a form described at the beginning. A tool 6 is formed a...
|
|
JP3795140 |
To provide an oil seal having stable sealing performance and excellent follow-up performance to the rotational run-out of a rotary shaft. An oil seal A brought into oblique contact with the peripheral surface of a rotary shaft is provide...
|
|
JP3795030 |
To provide a movement suppressing material for a machine and a device which has a function for stopping vibrations or the like caused by gaps by pinching, inserting, filling, and burying or the like the internal and external gaps (for ex...
|
|
JP3794328 |
To improve a hydraulic clamping device for adjusting the width of a forming roll the width of a caliber of which is freely divided, to obtain a simple, sure and inexpensive device. Roll holders on which right and left caliber rolls are m...
|
