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JP2004076833A |
To provide a low-cost bearing device with a sealing body satisfying both of sealing performance and less heat/wear.When relative rotation occurs between an inner ring 12 and an outer ring 13, side walls 27f, 27g approach each other accor...
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JP2004074260A |
To provide a rolling mill for obtaining a product having a good shape by efficiently correcting the twist of a material to be rolled in a cross mill.In the rolling mill in which an upper work roll 2 and a lower work roll 3 are crossed vi...
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JP3505593B2 |
To improve the accuracy of the zero regulation in the draft position and the leveling by reducing the variance in thrust through the difference in the peripheral speed of upper and lower work rolls to reduce the variance in the different...
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JP3503554B2 |
To provide a simple spindle replacement method for the rolling machine, which cuts down time and labor and can eliminate work hazard so that everybody can replace spindles. The table 3 is placed on top of the elevator 4 on the bogie 2, t...
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JP3502590B2 |
To maintain normal atmospheric pressure in a seal assembly of an oil film bearing for rolls of a tolling mill irrespective of the condition of a bearing oil exhausting system. In an oil film bearing used for rolls of a rolling mill, each...
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JP3501323B2 |
To make roll wear small and to reduce the crown of a rolled stock in a ≥2-stage metallic sheet rolling mill in which a pair of upper and lower work rolls with crown are shiftable in the axial direction. The work rolls of this rolling m...
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JP3501863B2 |
PURPOSE: To easily adjust the centers of the male side and the female side by forming a supply side bracket being a main body of an automatic pipe joint as a vertically movable structure, providing a guide groove to guide a vertical move...
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JP2004505777A |
The invention relates to a method and device for particularly the rolling bearing (3a), if continuous casting supporting rollers (2), which are mounted on both sides and/or centrally in a supporting roller stand (1) of metal, especially ...
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JP3499107B2 |
To provide a method for rolling plate and device therefor to execute rolling operation so that the elongation percentage of rolling stock becomes equal on the left and right sides in rolling metal plate. In the rolling method using ≥4-...
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JP2004050216A |
To improve the life of a rolling ring and to reduce the cost of a rolling process by dissolving the nonuniformity of stress distribution to the rolling ring by taper fitting and preventing the breaking of the rolling ring and elongating ...
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JP2004050221A |
To provide equipment for producing a strip plate wherein, even when the irregular shapes are asymmetrically or ununiformly formed on both width edge parts of a strip plate produced by a continuous casting machine, the thickness distribut...
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JP3494811B2 |
To provide an oil supplying/draining device for thrust rings of roll in a rolling mill with which pressure sealing property, i.e., sealing property is raised, also pressure releasing operability is elevated, the damage of a seal material...
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JP2004034157A |
To accurately position a rolling roll at the center position of a shaft.The roll assembly 10 includes a supporting shaft 12 having a taper part 14 extending from an abutment 16 to an end part 20. A taper sleeve 36 is inserted between the...
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JP2004036757A |
To provide a bearing device having an excellent lubricity in the bearing device having a roll neck bearing used for the rolling mill of a steel-making facility.Two (more than two is acceptable) spiral grooves 12Aa and 12Ab and spiral gro...
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JP2004028217A |
To prolong the life of a back-up bearing for a cluster mill.A recess 5a is formed in an outer surface of a sealing plate 5 for closing both ends of the clearance between an inner ring 1 and outer ring 2 of the back-up bearing. By driving...
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JP2004028139A |
To provide a double-row tapered roller bearing with aligning ring of low cost that is usable for an automatically aligned roller bearing without using a spacer.In this double-row tapered roller bearing with an aligning ring, an outer cir...
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JP3491140B2 |
To obtain high draft of 90% or more in one pass over the total length from the front end to the tail and of a rolled material using a normal rolling mill, and also to secure mass-production capability and simplify the equipment and the c...
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JP2004017131A |
To control the thrust of a reduction roll automatically, restrain the occurrence of a dimensional error, torsion or the like and save labor.A first measuring device 16 and a second measuring device 18 for measuring the profile of a stock...
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JP2004017081A |
To provide a roller bearing for a back up roll shaft capable of feeding lubricating oil, even if a bearing type is changed.In providing oil feeding holes 11 for feeding lubricating oil to many rollers 114 arranged in a plurality of rows,...
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JP3487293B2 |
To provide a leveling adjusting method by which the time for changing work rolls is shortened and the threading performance of a steel strip is improved from the first rolling after changing the work rolls by evaluating the amount of qua...
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JP2004003601A |
To prevent the disconnection of a harness 41 and a cable 46 while facilitating the replacement work of component which is installed on a support section of rotation.Four row tapered roller bearing 15 is incorporated between an inner peri...
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JP2003343582A |
To provide a cone roller bearing wherein a lifetime is prolonged by preventing heating, collar scoring, early releasing or the like caused by lubricant dropping, and an assembling-man-hour is decreased without increasing the number of co...
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JP2003343553A |
To provide a double row cone roller bearing with an aligning ring in which the bearing is freely assembled to a housing without being bound by a load range of a radial load, and at the same time, and costs are reduced. The double row con...
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JP3473431B2 |
To control web center deviation of flanged shape steel products without providing a separate constraining guide and without causing unevenness of the flange thickness. In the method of hot-rolling shape steel having a flange 2 and a web ...
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JP2003336649A |
To provide a sufficient sealing type rolling bearing realizing a sealing device by a less number of parts and inhibiting reduction of a load capacity of the bearing by the sealing device to the minimum.The sealing type rolling bearing 31...
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JP2003336647A |
To provide a thrust tapered roller bearing enhancing durability without causing a generation of heat and abnormal abrasion by receiving a large thrust load by either one of an inner ring or an outer ring.The thrust tapered roller bearing...
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JP2003334602A |
To prevent progressing of abrasion caused while a bearing is in a standstill condition with a gear in engagement mode fixed to a support shaft thereof.This device has gears 24, 26 to be rotatably mounted on the shaft 18 and is mounted th...
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JP2003534921A |
Rolling mill has working rollers (1, 2) supported by support rollers (6, 7, 8) which are positioned on a supporting axis (17, 18, 19, 20) divided into three longitudinal sections; and an adjusting device connected to one of the supportin...
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JP2003326308A |
To provide a rolling method by which a material to be rolled having an excellent cross-sectional shape is obtained stably without deteriorating the efficiency of roll grinding.In this rolling method, a roll gap is corrected by respective...
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JP2003314565A |
To provide a bearing device in which reliability for a long term is secured.The protrusions 12Ab, 12Bb of inner rings 12A, 12B prohibit the relative rotation by the inner rings 12A, 12B, thereby controlling abrasion of end surfaces onto ...
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JP2003305505A |
To provide a universal rolling machine by which positional adjustment of a rolling line and fixing of a housing can easily be carried out with improvement of productivity and reduction of both equipment cost and the maintenance and inspe...
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JP3458591B2 |
To eliminate the instability of threading and to manufacture the good quality of steel sheets by making the diameter of one of an upper and lower work rolls larger than that of the other roll and taking the clearance between the bearings...
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JP2003290805A |
To make it possible to exchange a step liner even when a position detecting sensor for detecting the elevated and lowered positions of a liner frame is broken.The completion of the lowering of the liner frame 34 is determined by using th...
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JP2003290891A |
To provide a bearing device for table roll in a continuous caster for cooling the bearing with which a high speed casting can stably be performed and to provide a method for cooling the bearing.The bearing device for table roll in the co...
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JP2003285110A |
To provide an eccentric pressure type universal compact rolling mill in which the interval between horizontal rolls is adjusted by symmetric movement of upper and lower rolls and that of horizontal rolls or movement of either one of the ...
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JP2003285108A |
To provide a roll stop ring of a rolling machine having a simple and compact structure capable of solving problems such as installation spaces, maintenance, inspection.The roll stop ring 10 of the rolling machine, which fixes and release...
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JP2003278918A |
To provide a sealing device for rolling bearing which is fitted to a seal holder without using any special tool nor performing any complicated work such as press-fitting and caulking, and attached/detached in a short time, and reduces a ...
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JP3452694B2 |
PURPOSE: To automate attachment and detachment of a bearing irrespective of the size of the bearing by clamping and elevating/lowering the bearing by a clamping means whose clamping members are extendable and contractile in accordance wi...
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JP2003269616A |
To provide a seal which maintains high sealing performance for a long time at a low cost even when a rotary shaft is largely eccentric, or a housing and an outer ring are largely deformed.A fixed part 4 fixed to the housing 1 with a seal...
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JP2003527968A |
The present invention relates to an apparatus for rolling workpieces, such as sheets or rods, particularly metal foils, comprising: at least one roll stand (1); at least two driven working rolls (2, 3) rotatably embedded in said roll sta...
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JP3445748B2 |
To provide a sheet mill with which the cost of equipment is reduced, roll changing work is simplified and the influence of the dead weight of a spindle for a work roll on the load distribution of divided back-up rolls is eliminated. In a...
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JP3444262B2 |
To solve such a problem that the out-of-roundness of a steel tube is degraded when unfilling that noncontact part with a grooved roll in the stand before the final one is produced in a part of the outside surface of the steel tube at siz...
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JP2003245704A |
To cause no damage to a roll or the like by detecting the height of the roll correctly when it is put down on a roll stand, in a truck for the transfer of the roll equipped with a roll holding part supporting the roll and capable of movi...
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JP3443407B2 |
To prevent the generation of slip and surface flaws of rolls when rolling a metallic strip by driving only one work roll. A rolling schedule, rolling speed, screw-down location, screw- down/releasing speed of a roll and formula (1) by wh...
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JP3439707B2 |
To manufacture even a foil too thin and wide to stand on its own bottom by rolling easily and acculately. In a rolling mill for metal foils with which rolling is applied a base stock S for rolling by feeding a planar base stock S for rol...
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JP2003227522A |
To provide an inexpensive sealing device of a bearing which generates low heat even if a peripheral speed of shaft diameter of a seal lip part is large and has an assured water-proof effect.In this bearing 1 in which a plurality of taper...
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JP3435033B2 |
To provide a bar rolling device by which downtime for changing the size is made extremely short and the arbitrary size is immediately rolled when it is required. This device is composed so that the size of the bar passing through the sta...
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JP2003220402A |
To form a square wire having a thin diameter, which is used for coils or the like at a low cost, and to compose square slits easily and preciously for forming the square wire.The apparatus has four rollers 1-4, which are arranged in a fy...
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JP3431106B2 |
PURPOSE: To shorten the fitting/removing time of rolls and improve the forming precision of an electric-resistance welded pipe by arranging either of an engaging member engagably/disengagably to a pushing member with a connecting part or...
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JP3429636B2 |
To adjust the interval between rolls which are provided on a spindle by large strokes. A fixed roll 5A is provided through a roll sleeve 6 on the spindle 2 which is rotationally driven and also a movable roll 5 and passive thread part 13...
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