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JP05317937 |
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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JP05317926 |
PURPOSE: To prevent scratches on a web and to improve the quality of a shape steel by separately driving web-constraining ring rolls eccentric to horizontal rolls rolling down flange edges from the drive of horizontal rolls. CONSTITUTION...
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JP05269512 |
PURPOSE: To attach and detach chocks on the operating and driving sides through hydraulic drive only at the same time, to remove a sling work and to improve safety and efficiency by equipping a truck on the driving side provided with a d...
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JP05253608 |
PURPOSE: To prevent the vibration of a bearing case with which a driving shaft is supported, improve durability of a needle bearing and improve setting of the optimum balance load and workability. CONSTITUTION: A driving roll 3 and a dri...
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JP05253605 |
PURPOSE: To provide a rolling mill with which draft can be economically and easily increased without accompanying the modification of roll stand. CONSTITUTION: A pair of work rolls 1 and a pair of back-up rolls 2 with which these work ro...
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JP05245517 |
PURPOSE: To prevent an increase of mill hysteresis of rolling mill which thickness is controlled by changing roll gap between work rolls. CONSTITUTION: Intermediate bearings 24a, 24b which can be movably and selectively fixed in the dire...
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JP05208202 |
PURPOSE: To provide a 4-roll type rolling mill of which the structure is simplified and also which is provided with good workability of roll change and maintainability. CONSTITUTION: Two rolls 1, 2 are arranged by opposing their grooves ...
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JP05185101 |
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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JP05177201 |
PURPOSE: To prevent the generation of bend when an asymmetric H--shaped steel is rolled by rolling it while independently adjusting the rotational speed of right and left vertical rolls. CONSTITUTION: A brake roll 9 is freely rotatably a...
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JP05161905 |
PURPOSE: To automatize positioning and application of lubricating oil to the connecting part of a rolling roll which is demounted from a rolling mill with a spindle. CONSTITUTION: Rolling rolls are rotationally driven by pressing rollers...
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JP05154507 |
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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JP05154523 |
PURPOSE: To provide a spindle for rolling mill, which can correspond to large and small sizes of work rolls. CONSTITUTION: A small diameter coupling 14 is fitted as swingable to one end of a small diameter spindle body 15. A large diamet...
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JP05154511 |
PURPOSE: To provide an angular moment compensating device enabling avoiding functioning as a generator by a motor of drive which is a defect in conventional technology with an expense for a sure and limited structure in a method for comp...
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JP05138219 |
PURPOSE: To carry out stable rolling under high draft by eliminating a difference between horizontal forces which act on upper and lower work rolls by adjusting driving torque in an actual rolling mill in which the error of the center li...
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JP05123710 |
PURPOSE: To provide a 14 stages rolling mill with roll arrangement that the capacity to transmit torque is raised and also shape change is difficult to be generated even when rolling load is changed. CONSTITUTION: In the 14 stages rollin...
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JP05123709 |
PURPOSE: To provide a 14 stages rolling mill with roll arrangement that the capacity to transmit torque is raised and also shape change is difficult to be generated even when rolling load is changed. CONSTITUTION: This rolling mill is pr...
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JP05123707 |
PURPOSE: To provide an inexpensive device with four rolls for working a shaft material which has simple structure and high rigidity by making driven rolls like disks and holding the outer peripheral part with a driving roll pair and supp...
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JP05092202 |
PURPOSE: To provide a fourteen stages rolling mill which torque transmission capacity and shape correction capacity are improved. CONSTITUTION: In the fourteen stages rolling mill which a pair of upper and lower work rolls 2 which are br...
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JP05050110 |
PURPOSE: To offer a rolling mill excellent in control capacity of sheet crown of rolled stock capable of reducing thrust acting on working rolls by a simple constitution and of which the working rolls are crossed. CONSTITUTION: The purpo...
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JP05042308 |
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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JP05038509 |
PURPOSE: To prevent a shift cylinder from interfering with various kinds of pipings and mounting brackets arranged on the periphery of a rolling mill housing. CONSTITUTION: A base frame 22 is provided between a mill housing 1 supporting ...
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JP04371302 |
PURPOSE: To execute rolling without tension fluctuation and thickness variation by mutually setting upper and lower cross pins at approximately 90° in phase difference and driving them in a rolling mill of a cross system rolling mill wh...
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JP04351205 |
PURPOSE: To improve the capacity to transmit torque by taking back-up rolls with large diameter as driving rolls. CONSTITUTION: In a 14 stage rolling mill of which a pair of upper and lower work rolls 2 which are brought into contact wit...
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JP04344811 |
PURPOSE: To suppress the vibration by eliminating the clearance of a roll neck of a rolling mill, and simultaneously, to simply detach a roll by forming a prescribed clearance at the time of changing the roll. CONSTITUTION: On a spindle ...
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JP04344810 |
PURPOSE: To improve the productivity of a rolled product by shortening the time required for a change of plural rolls of a rolling mill. CONSTITUTION: At the time of detaining and detaching a drive shaft and a hub of a coupling 7 for rot...
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JP04344188 |
PURPOSE: To always balance an upper load with a lower load to prevent a slip by connecting one by one out of the two field windings of respective motors for the upper and lower rolls in series with each other and by causing electric curr...
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JP04322804 |
PURPOSE: To offer a three-roll rolling mill which is incorporable into a two-roll rolling mill in a rolling mill with which a billet which consists of steel or nonferrous metal is rolled into a bar, wire rod, tubing and other long sized ...
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JP04322803 |
PURPOSE: To minimize the working time at the time of change in specification between the specifications for two-high and four-high mills. CONSTITUTION: In a rolling mill which is used both as the two-high mill and four-high mill and whic...
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JP04319002 |
PURPOSE: To provide a small inclined planet roll device with high rigidity by restraining fixing one of two input shafts. CONSTITUTION: One or more kinds of working rolls 1, back up rolls 2 or reinforced rings 5 are driven. At the time o...
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JP04316750 |
PURPOSE: To simplify the structure of a machining device and to reduce the size thereof by locating the drum part of a plurality of sets of rollers so that the rollers are brought into contact with the inner surface of a friction ring mo...
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JP04309407 |
PURPOSE: To increase the speed of a rolling roll of the upstream side, even if the rolling reduction of area is changed. CONSTITUTION: The speed change gear is provided with a first driving shaft 12 which is manufactured in a driving mot...
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JP04294807 |
PURPOSE: To offer a device for driving the vertical roll of V-stand mill with which the driving part of the vertical roll stand mill can be protected from water and scale, which the replacement of the mill housing is easy and which is st...
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JP04288904 |
PURPOSE: To enlarge the range of reduction for the rolling that the common drive system sizing-rolling for bar and wire rod can be excecuted only within several % of the reduction of area in points of the stability of the rolling. CONSTI...
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JP04231105 |
PURPOSE: To embody elongating and rolling with the highest possible efficiency without the deterioration of quality with a smaller number of roll stands by minimizing the number of the roll stands as far as possible. CONSTITUTION: The ro...
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JP04228303 |
PURPOSE: To provide a rolling device, from which substantially constant line pressure can be obtained by means of impressed force based on a change of a rotation speed of a hollow roll even when the hollow roll is based on a rolling bear...
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JP04224004 |
PURPOSE: To obtain a rotary ring mill easy to bite material. CONSTITUTION: In the rotary ring mill wherein the barrel parts of rolls are brought into contact with the inside surface of a driving ring and a tube or a bar is worked between...
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JP04222293 |
PURPOSE: To provide a drive unit for a calender of a paper machine, simple in structure, manufacturable at low cost, and having high actuation reliability. CONSTITUTION: This drive unit has a universal joint feathering two joint forks 6,...
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JP04200803 |
PURPOSE: To obtain a rolling machine possible to freely recombine into a two- rolls rolling or a three-rolls rolling by creating a new transmission driving mechanism. CONSTITUTION: In the two-rolls rolling machine, the driving force of a...
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JP04158911 |
PURPOSE: To shorten the time of preparation by providing a clutch and a driving shaft contracting means at the prescribed driving shaft among plural driving shafts. CONSTITUTION: A clutch 6 to shut off the torque transmission from the dr...
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JP04147707 |
PURPOSE: To enhance the reliability of the device by providing mechanical stopper means for prohibiting the contact of spindle supporting members and a roll-driving spindle at the time of rolling. CONSTITUTION: The spindle supporting mem...
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JP04147702 |
PURPOSE: To simplify the device by bringing back up rolls into pressurized contact with groove rolls to transmit driving power and offsetting the centers of the groove rolls in the delivery direction of a wire from the centers of the bac...
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JP04143010 |
PURPOSE: To improve the accuracy of tension control of rolling equipment by taking constraining torque due to flange constraining force at the time of web reducing rolling with the finishing mill stand of the tandem rolling device for H-...
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JP04138804 |
PURPOSE: To prevent sagging down and to prevent the bearing part, shaft part or the like of table roller from damage by forcibly, upwards bending the tip part of a material to be rolled after rolling by making speed difference between th...
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JP04105704 |
PURPOSE: To share rough and finish rolling mill and to reduce equipment cost and administrative expense by equipping fitting parts at both shaft end parts of a large diameter work roll in a metallic foil rolling equipment and fitting the...
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JP04100610 |
PURPOSE: To prevent the camber and slip-on of rolled stock and to enable the stable bite and pass of rolled stock by subsidiarily driving revolving the other side of a roll group with a motor as well as one side of the roll group which i...
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JP04071704 |
PURPOSE: To roll a wire rod of high accuracy at a high speed by using many caliber rolls and arranging a mechanism for adjusting roll parting and mechanism for driving total roll side by side. CONSTITUTION: By revolving an adjusting shaf...
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JP04041009 |
PURPOSE: To reduce a time for exchanging a work roll and to automate the operation by driving drive shafts in the direction of spindles to support the spindles and abutting and supporting coupling members on the spindles. CONSTITUTION: T...
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JP04037405 |
PURPOSE: To efficiently perform attaching/detaching the coupling of drive shaft by providing a clamping means for fixing the coupling, elevating/lowering means for elevating/lowering an unit for attaching/detaching coupling and clamp ope...
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JP04013404 |
PURPOSE: To simplify a structure by arranging an intermediate pinion engaging with roll driving gears between the roll driving gears set to roll driving shafts of adjacent rolling stands and connecting an intermediate shaft providing thi...
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JP03234308 |
PURPOSE: To contrive labor saving by supporting an unused spindle with an idling shaft which is mounted to its bearing box when rolling with single-shaft driving in a two-shaft drive mill. CONSTITUTION: When single-shaft drive rolling is...
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