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JP2005315409A |
To provide a swing ladder bearing capable of being inexpensively manufactured as it is composed of simplified components, and easily replacing the components.This swing ladder bearing is composed of a pair of track plates 2, 3 receiving ...
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JP2005533654A |
A device for changing pairs of work rolls and/or pairs of backup rolls of roll stands, wherein the rolls are each supported in chocks and are movable out or in by a lower back up roll supported on a track and wheels. The work rolls on th...
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JP3715281B2 |
To shorten time required to change a rolling stand as compared to the necessary time in a case of a well-known device. The invention relates to a rolling mill train for continuously rolling a bar shaped rolled stock in which a rolling st...
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JP2005271079A |
To stably produce a metal material by enabling a satisfactory rolling stock shape to be obtained without causing a trouble in drawing by performing stable control for meandering.A method for producing metal material is characterized in t...
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JP3702517B2 |
To sufficiently lubricate a thrust bearing by enabling oil to be uniformly fed to the full circumference in the circumferential direction of the outer ring flange of the thrust bearing. Three recessed grooves 23a, 23b, 23c are formed on ...
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JP2005246444A |
To provide a method for adjusting the position of a rolling roll by which the rolling roll of a steel rolling device is posisioned simply and inexpensively.(1) An upper rolling roll 11 is slid in the thrust direction by a sliding mechani...
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JP3695242B2 |
To improve the operability of a steckel rolling mill and the quality of products by providing a device to adjust the temperature of a rolled stock between a furnace coiler provided on at least either of the inlet side and the outlet side...
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JP3692319B2 |
To improve the accuracy of rolling and also to prevent the lowering of life by performing stable rolling by imparting proper rolling force to rolling rolls in a rolling mill and a rolling method. A screw-down cylinder 20a, an upper back-...
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JP2005230892A |
To provide a roll exchange device for a rolling mill which can shorten the exchange work of the roll to be used for rolling a slab or a steel plate.In the roll exchange device for the rolling mill, by which a plurality of rolling rolls w...
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JP2005230961A |
To provide an on-line roll grinding method applicable to a work roll in a reverse rolling machine used for a rolled material such as a thick steel plate rolled in a short time, and stably grinding the surface of the work roll with consta...
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JP3690640B2 |
To provide an inexpensive double chock rolling mill which decreases the shortening of a bearing life due to offset load. The lines y1 and y2 of action of a double row tapered roller bearing equipment 1 of an outer chock B1 are crossed ea...
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JP2005224853A |
To provide a method for setting the zero point of a roll gap in a vertical rolling mill simply and precisely.In setting the zero point of the roll gap in a vertical rolling mill which rolls a steel plate or the like, a comparison is made...
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JP3686375B2 |
A roll shifting cylinder (14) is driven to pivot a lever arm (12), thereby shifting a work roll (1) via a thrust bearing (15). A control unit (27) performs auto-positioning control, based on a shift amount performance value of the thrust...
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JP2005211907A |
To provide a device for roll arrangement of a rolling machine capable of smoothly and reliably performing roll rearrangement, and facilitating automation thereof irrespective of presence/absence of occurrence of a slip between a rearrang...
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JP3682594B2 |
To simplify a hermetically sealing structure, to facilitate assembly and maintenance and to also increase load capacity by reducing the number of parts. In this hermrtically sealing device provided with plural outer races 1, spacers 2 an...
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JP3674747B2 |
To enable the use of ball-and-roller bearings for supporting rolling rolls without changing the bearings when new rolling rolls are used for widening a rolling mill. At the time of using the ball-and-roller bearings 3 without changing th...
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JP2005180573A |
To provide a sealing unit for a roll neck of a rolling mill having a self-lubricating property, which dispenses with an external supply of lubricant of a seal.In the sealing unit 5 in which the sealing unit is assembled between an axle b...
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JP2005177840A |
To provide a housing-less rolling mill capable of enhancing the mill constant and reducing the cost on manufacture, installation, maintenance and management without using any expensive hydraulic device, tie rod or the like.The rolling mi...
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JP2005169482A |
To provide a screw down device for a rolling mill, a device having desirable features in handling and cost for example by facilitating maintenance of a position detector for detecting rolling reduction and by minimizing the required numb...
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JP3659263B2 |
PURPOSE: To provide a rolling method and a rolling mill which are capable of enhancing a plate crown control effect even for a plate with an intermediate and a narrow widths with a small difference in diameter. CONSTITUTION: The rolling ...
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JP2005125391A |
To provide an inexpensive roll rearrangement apparatus for shortening a roll rearrangement time by extracting rolls from a rolling mill by piling them vertically and side shifting in the rolling mill in which driving mechanisms for drivi...
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JP2005118844A |
To provide a method of adjusting the position of a work roll by which the cross angle or offset between upper and lower work rolls is easily made to fall within the allowable range, and to provide a rolling mill.In the rolling mill, divi...
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JP2005118836A |
To provide a pressure fixing structure for a housing and a rolling roll group which can realize a stable rolling operation without being adversely affected by a reaction force from keeper plates in an axial direction when the keeper plat...
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JP3645645B2 |
To supply a lubricant into the clearance between a roll and an inner race by simple mechanism and without lowering the rated load of a bearing. This roll bearing device is composed so that the roll 10 is supported with a sealed type ball...
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JP3646951B2 |
To provide a sealed type roller bearing of a rolling mill which is protected from entering of water or the like into the bearing at the time of the operation stop and low speed rotation of the rolling mill. In this sealed type roller bea...
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JP3645416B2 |
To extend the maintenance/inspection period of a roll supporting device and to reduce the cost of maintenance and inspection. A double-row self-aligning roller bearing 2 is for supporting the wrapper roll of a down coiler to a housing fr...
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JP3644072B2 |
PURPOSE: To nearly uniformize the rigidity in the direction of the circumference of a roll by shifting a sleeve in the shaft direction through the supply of a low pressure fluid to a liquid chamber at both ends of the sleeve and thereby ...
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JP3642474B2 |
To provide an offset amount measuring apparatus capable of shortening the time required for replacement of rolls of a multistage rolling mill and also capable of improving aligning precision of the center of a pass line. The offset amoun...
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JP3640810B2 |
To secure the required performance of sealing while suppressing the strength drop of a rolling roll in a sealing structure of a rolling roll supporting parts. Without making the recessed shape of an annular recessed parts 1c which are pr...
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JP3640811B2 |
To enable the common utilization of ball-and-roller bearings even when rolling rolls are changed in anticipation of the requirement of widening of the rolling rolls in future in rolling roll supporting structure. This structure is the st...
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JP3639717B2 |
To simplify the work for changing roll chock assemblies, to shorten changing time, to make the work safe and to surely prevent miss rolls and breakage of machinery. In a combination mill in which upper roll chock assemblies 12 having an ...
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JP3640157B2 |
To provide a method and device for setting the reference position of the rolls of a universal mill for accurately setting the reference position of each roll. After, at first, setting the position in the height direction and position in ...
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JP3641451B2 |
To smooth the shift and the bend of a roll by making the arrangement of a bending device in a rolling mill simple and also making unsuitable moment not to act on a chock and the roll. The work rolls 1, 2 are shifted in the axial directio...
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JP3637372B2 |
PURPOSE: To provide a preferable control method for ensuring the accurate control of the bearing device of a pinch roller, a guide roller or a squeezing roller for a continuous forging facility, a hot rolling facility or the like, mainta...
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JP3633071B2 |
To simply and highly accurately execute the setting of a roll position in a four-roll stand in a bar-shared type mandrel mill in which the four-roll stand is provided on the outlet side of a two-roll stand array, thereby eliminating thic...
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JP2005076659A |
To provide a double row roller bearing suitable for a shaft where radial load distribution is axially changed.In the double row roller bearing constituted that a plurality of rows of roller bearings having an inner ring where a raceway s...
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JP3628261B2 |
To increase efficiency in removing mixed cooling water and dust from lubricant, and to reduce the size of a facility. The inside of a housing surrounded by a seal plate 54 and a cartridge body 28 is divided into a first chamber A includi...
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JP3628253B2 |
To provide a sealing apparatus of a bearing for a roll neck of a rolling mill, of which the sealing capacity is more improved. On this sealing apparatus 10 of the bearing for the roll neck of the rolling mill, a core bar 1 and an elastic...
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JP2005052864A |
To provide a strip manufacturing facility by which each edge drop part can be reduced together with a central part and the edge drop part can be left on the exit side after rolling even if there is a large edge drop part on a strip of th...
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JP2005046883A |
To provide a rolling roll chock attaching/detaching device which is excellent in safety and capable of enhancing the attaching/detaching efficiency of a thrust ring by using an existing rolling roll having a circumferential groove in a r...
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JP3622638B2 |
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JP3620102B2 |
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JP3617461B2 |
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JP3615813B2 |
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JP3613382B2 |
To provide a roll stand for forming a metallic tube which is advantageous in the aspect of economy and storaging property by making both size and weight of a machine to be possessed as a spare smaller than those of a conventional one. Th...
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JP3609371B2 |
To provide an improved sleeve which can be used for an oil film bearing of the type adopted to support a roll neck of a rolling machine rotatably. This sleeve is provided with an internal taper portion, an end portion properly adjusted i...
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JP2005003109A |
To prevent the occurrence of scratches during assembling a double row cylindrical roller bearing by avoiding the inclination of each cylindrical roller until a cylindrical roller train is fitted into the outer diameter face of an inner r...
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JP3607029B2 |
The present invention includes the following constituent elements, namely: firstly, calculation of the set-up rolling conditions having the target values of rolling load, strip width and strip crown and the set values of the actuators on...
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JP2004538148A |
The invention relates to a method and a device for changing the work rolls and the back-up rolls (8, 9) of a strip mill, by means of a roll-changing carriage (2) which can be transversally displaced in relation to the roll stand (1). Sai...
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JP3605300B2 |
To improve the shape controllability, and to mitigate the non- uniformity of the wear of a work roll by providing a bender on the work roll to be drawn down by each split back-up roll. An upper work roll 8a is supported by upper and lowe...
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