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JP3092002B2 |
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JP2000233203A |
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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JP3073349B2 |
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JP2000202511A |
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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JP2000197906A |
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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JP3060691B2 |
A work roll crossing type rolling mill has back-up rolls (8) arranged in such a manner that their axes are not inclined in a horizontal plane. Work rolls (7) are constructed in such a manner that their axes can be inclined in a horizonta...
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JP3057867B2 |
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JP2000167608A |
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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JP3053014B2 |
To automatize connecting/disconnecting operation between shafts by executing supply and discharge of pressurized oil to a shaft coupling between a spindle shaft and a roll driving shaft with an automatic operation device which is freely ...
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JP3049901B2 |
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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JP3047515B2 |
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JP3046599B2 |
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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JP3046892B2 |
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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JP3040274B2 |
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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JP2000130430A |
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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JP3037085B2 |
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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JP3024903B2 |
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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JP3016979B2 |
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JP3012543B2 |
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JP2000042607A |
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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JP2991898B2 |
The object of the invention is to allow adaptation to different sizes and final shapes of tube without changing the rollers in a device for the continuous forming of a metallic tube (9) with the aid of forming rollers (3) which enclose t...
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JP2984500B2 |
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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JPH11319906A |
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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JP2980606B2 |
Successive roll stands (10, 12) in a rolling mill are driven at selectively different drive speed ratios by a transmission system having a pair of drive shafts (22) and at least one idle shaft (24) journalled for rotation about parallel ...
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JP2972966B2 |
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JPH11285704A |
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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JP2963262B2 |
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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JPH11280779A |
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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JP2942737B2 |
The invention provides a power transmission apparatus which includes a power transmission shaft having a pair of universal joints provided at the opposite ends thereof, and a torsion detection apparatus for detecting a torsion of the pow...
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JP2939256B2 |
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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JP2927935B2 |
This mill (100) comprises a plurality of rolling stands (102) laid side-by-side between an input stand (102a) and an output stand (102b). A first group (200) of stands adjacent to one another is next to the input stand (102a) and a secon...
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JP2922097B2 |
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JPH11188410A |
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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JP2916583B2 |
A billet is rolled in a rolling mill into a first process section in a succession of roll stands arranged along a first pass line. The first process section is either delivered to a cooling bed or alternatively slit into second and third...
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JP2915408B1 |
[wrap up] [Task] Provided is a spindle support device for a rolling mill that can directly and rotatably support an inclined spindle, can easily work without disassembling the spindle when the bearing needs to be replaced or maintained, ...
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JP2907332B2 |
A roll block for rolling wire, rods, pipes and flat metal material to be rolled, has a plurality of exchangeable roll stands located closely next to one another in a roll line and each having a plurality of rollers, a plurality of C-shap...
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JPH11153147A |
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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JP2891025B2 |
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JP2891516B2 |
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JP2885262B2 |
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JP2593759Y2 |
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JPH11503975A |
PCT No. PCT/AT96/00078 Sec. 371 Date Oct. 24, 1997 Sec. 102(e) Date Oct. 24, 1997 PCT Filed Apr. 23, 1996 PCT Pub. No. WO96/33823 PCT Pub. Date Oct. 31, 1996A roll stand with two rolls forming a gap has each roll connected to a separate ...
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JP2875043B2 |
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JPH1177121A |
To reduce the floor area for rolling equipment and to separately control upper and lower work rolls by respectively connecting the upper work roll and lower work roll and an upper roll driving motor and lower roll driving motor which are...
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JPH1157813A |
To provide a finish rolling stand with one or more passes which operates at the speed far faster than that attain noble at present. This element is for a finishing or post-finishing for the thin products with a nominal diameter or transv...
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JP2859876B2 |
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JP2857279B2 |
A method and apparatus for continuously hot rolling ferrous long products which employs a "post finishing" block of roll stands downstream from the finishing stands of the mill. Water boxes or other like cooling devices are preferably in...
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JP2858626B2 |
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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JP2857039B2 |
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JPH1133611A |
To make the block mill compact, to facilitate its maintenance and repair, and to roll the wire rod and the bar steel with desired dimensional precision and in a desired shape by providing a fluid shaft coupling type or viscous multiple d...
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