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JP2023543276A |
The invention relates to a rolling mill 1 with two roll shafts 3 mounted in a housing 2, the roll shafts 3 being preferably mounted parallel to each other; , these roll shafts 3 each carry at least one rolling ring 5 in the end region 4 ...
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JP7352746B2 |
A rolling device has an upper and a lower work roll and at least one upper and one lower backup roll. The work rolls and the backup rolls are supported on a common rolling mill stand. The work rolls can be adjusted relative to each other...
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JP2023127068A |
To provide a pressurizing device that is effective in improving durability.Pressurizing devices 33 and 43 comprise: cylinders 110; pistons 120 that protrude from the cylinders 110 toward an object to be pressurized and move forward or ba...
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JP7342831B2 |
To provide a hot rolling mill which can suppress occurrence of roll mark transferred to a surface of a hot rolled steel sheet, with a simple equipment configuration, and a hot rolled steel sheet manufacturing method.A hot rolling mill 2 ...
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JP2023121378A |
To provide a support device of an object to be rotated capable of stably installing the object to be rotated having various diameters, capable of maintaining the whole circumference by easily rotating an object to be rotated as the maint...
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JP7329830B2 |
To rapidly align a caliber center of a roll caliber with a guide center of a roller guide, and also improve precision of the alignment.A difference e between a distance d1 from an end surface Ra of a pressure roll R to a caliber center C...
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JP2023114631A |
To provide a roll gap detection device which can inhibit deterioration of gap detection accuracy caused by heat of rolls.A roll gap detection device 1 includes: a first holding body 11 which holds a first roll 100; a second holding body ...
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JP7327332B2 |
An edge drop control device calculates a first calculated manipulated amount of a work roll shift device for bringing a difference between a measured edge drop amount and a target amount close to zero without using a work roll bender dev...
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JP7313768B2 |
This four- to six-stage rolling mill comprises two work rolls vertically disposed with a plate passing line therebetween, the two work rolls each being provided with at least one backup roll, the rolling mill being characterized in that:...
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JP7309129B2 |
A lifting apparatus of the present invention includes: a ball screw; a frame configured to support bearings for the ball screw; an electric motor supported by the frame and having an output shaft being rotatable; and a rotational force t...
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JP7298019B2 |
A control device 20 obtains second pressing forces acting on work-side and drive-side roll chocks 112A and 112B on the basis of entry side and exit side first pressing forces, and controls at least one of work roll position control devic...
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JP7295340B2 |
The invention relates to a method for changing a roll configuration in a roll stand having a cassette-type design, wherein: the roll stand comprises at least two work rolls (3); during a configuration change, at least one work roll (2) o...
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JP2023523378A |
The present invention is a method for increasing the load-bearing capacity of a case-hardened rolling bearing raceway of a rolling bearing ring element, comprising: an unhardened core area (K) and, at least in certain parts, a case-harde...
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JP7276281B2 |
To provide an oil film bearing structure capable of using lubricant supplied between a bearing bushing and a roll sleeve to prevent seizure between the bearing bushing and a roll chock with a simple configuration, a hot rolling mill, a w...
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JP7256336B2 |
Provided are: an upper work roll, radial bearings and a thrust bearing provided on a work side and a drive side of the upper work roll and supporting the upper work roll. Shift cylinders are provided on the work side of the upper work ro...
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JP2023510090A |
The invention is a hot rolling stand (10) for a hot rolling mill (1), which hot rolling stand comprises a reduction device (12), which accommodates a work roll pair (17). and for positioning the work rolls 18, 19, 20, 21 of the work roll...
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JP7233828B2 |
A hot rolling mill 1 includes a control apparatus 20 that adjusts an angle formed between an upper-side pair of an upper backup roll 120A and an upper work roll 110A and a lower-side pair of a lower backup roll 120B and a lower work roll...
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JP7233827B2 |
Angles of an upper-side pair of an upper work roll 110A and an upper backup roll 120A, and a lower-side pair of a lower work roll 110B and a lower backup roll 120B are adjusted in a state where the upper-side pair is kept parallel and in...
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JP2023507649A |
The present invention is a roller device (1) provided with at least two rollers (2, 3) arranged in parallel in the axial direction and forming a corresponding nip (5) between the adjacent rollers, Roller journals (7,8) are provided on bo...
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JP7227388B2 |
A rolling mill for rolling metal products, comprising two roller stands with a stand cross-member. A roller is rotatably mounted in the roller stands. The roller is operatively connected to a balancing cross-member, and at least one hydr...
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JP7227365B2 |
The invention relates to a device (20) and to a method for determining the location and/or position of a roller in a roller frame. The device comprises an evaluating device (A), which is signal-linked to the measurement sensors (10) of a...
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JP7204777B2 |
The invention relates to a roll stand, comprising: a working roll, which is mounted in the roll stand floatingly and for rotation about an axis of rotation extending axially and which has two axially opposite end faces; and at least one ...
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JP7196341B2 |
A rolling mill is provided with: a roll for rolling a metal plate, the roll being capable of shifting in an axial direction and having a tapered portion at an end portion in the axial direction; and a heating unit configured to form an e...
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JP7189346B2 |
A rolling apparatus, including a stand, at least two rolls, which are attached to the stand by chocks and are displaceable in relation to one another in the axial direction, and at least one axial displacing device, which is assigned to ...
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JP7163225B2 |
To provide a rolling method and a rolling device that can improve productivity and roll a material to be rolled, over a wide size range.A first rolling machine 12 and a second rolling machine 14 are arranged separately in a pass-line dir...
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JP7149741B2 |
To provide a rolling device which is effective for improvement of the production efficiency of a rolled material.A rolling device 1 includes: a mill roll 10 which rotates around a roll axis RL intersecting with a material transport line ...
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JP7127446B2 |
To reduce thrust force between rolls and to suppress the occurrence of meandering and camber of a rolled material.A rolling machine of four or more stages, including a pair of work rolls and a pair of reinforcement rolls includes: a load...
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JP7127447B2 |
To reduce thrust force between rolls and to suppress the occurrence of meandering and camber of a rolled material.A rolling machine of four or more stages, including at least a pair of work rolls and a pair of reinforcement rolls support...
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JP7118487B1 |
The present invention provides a rolling mill chock clearance online detection device and detection method, the detection device includes a case (401), an end cover (402), a ball (403), a baffle (404), an inner seal ring (405). , arc gas...
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JP2022535965A |
The invention relates to a control device (10), a media module (1) and a roll stand (2), in particular for a distribution network of liquid and/or gaseous media for roll stands. The controller comprises a bottom plate (11) having one or ...
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JP7103877B2 |
To provide a loosening/fastening mechanism of a lock nut which can be introduced at low cost without modifying an existing mill and does not need to use a large apparatus.A loosening/fastening mechanism M includes: a ring gear 2 having a...
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JP7100415B2 |
Within a housing, divided backing bearing assembled shafts are each moved on any one of a housing bore upper surface 8a constituting the housing, spray frame upper surfaces 9, and rails 13, 19, and 20 of a changing carriage 12 by a slidi...
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JP7100414B2 |
A multistage rolling mill 100 includes support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h arranged on the entry side and/or the exit side of work rolls 2a and 2b, and supporting the work rolls 2a and 2b on an work side and a dri...
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JP7100416B2 |
A rolling mill including: a roll that is shifted in an axial direction; a bearing that is shifted in a roll-axis direction along with the roll, and receives a load from the roll; and three or more first cylinders that apply bending force...
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JP7066269B2 |
To provide a rolling device and a method of constructing a rolling device that are effective in shortening an idle time in installation construction or maintenance of a pressure roll.A rolling device 1 comprises: a second base 11 install...
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JP2022062695A |
To provide a rolling machine for a solid long product having a simplified roll control system capable of extracting all cages from a same side of the rolling machine and simultaneously eliminating need for a special angle gearbox.All rol...
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JP2022049523A |
To provide an abnormality occurrence prediction system and an abnormality occurrence prediction method, which can increase an operation rate of equipment by predicting the occurrence of an abnormality in the equipment with a hydraulic sy...
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JP7042636B2 |
To provide a rolling device adaptable to a diversity of rolling processes by a simple constitution.A rolling device 1 comprises two stands 30 for holding both ends of rolling mill rolls 10 and 20, respectively, a first hydraulic cylinder...
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JP7024857B2 |
A lifting apparatus of the present invention includes: a ball screw; a frame configured to support bearings for the ball screw; an electric motor supported by the frame and having an output shaft being rotatable; and a rotational force t...
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JP7015015B2 |
A lower roll and an upper roll are disposed facing one another in order to consolidate a workpiece. A moving device moves a lower roll supporting unit and an upper roll supporting unit relative to one another to control a gap between the...
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JP2022510137A |
Two or more rolling stands (2, 2'of at least one rolling stand (2) erected on the first civil engineering foundation (6) and a reversible rolling mill (1) with first production capacity ) And a flexible modification method to an upgraded...
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JP6970303B2 |
A roll stand for the rolling of rolling stock, especially metal products. The roll stand includes at least two chocks for mounting at least one roll, the roll being rotatably mounted in the chocks by its two cylindrical roll necks. A cyl...
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JP6945740B2 |
A roll stand, wherein at least two rolls for forming a workpiece are accommodated in the stand, and wherein a rolling force acting during the forming is supported by the roll stand, wherein the roll stand is produced by means of additive...
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JP2021148210A |
To provide a bearing device that can eliminate negative pressure inside a bearing with a simple structure.A bearing device includes: a bearing box 2 including a bearing 21 and lubricant 22 inside thereof; and a negative pressure eliminat...
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JP6939996B2 |
A rolling mill of four-high or more is provided that includes: measurement apparatuses that adopt any one roll as a reference roll, and measure at least rolling direction forces acting on roll chocks on a work side and roll chocks on a d...
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JP2021134070A |
To provide a jig for parallelism confirmation that enables inclinations of a pair of rolls to be easily adjusted so that shaft centers of the rolls are parallel to each other, and a parallelism adjustment method.A jig 100 for parallelism...
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JP2021134069A |
To provide a jig for parallelism confirmation that enables inclinations of a pair of rolls to be easily adjusted so that shaft centers of the rolls are parallel to each other, and a parallelism adjustment method using the jig.A jig 100 f...
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JP6920554B2 |
A seal (100) for sealing a lubricant space prevents lubricant (320) escaping. A rolling stand has a seal of this kind. The seal (100) is made at least partially from elastic material. To enable a pressing force FR, with which the bottom ...
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JP2021109239A |
To provide means for optimizing a roll model capable of specifying temperature and a diameter of a roll in determination of a location when viewed in a direction of a roll shaft.A storage device for two rolls of the same type is a compon...
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JP6893275B1 |
To provide a roll press apparatus capable of controlling thermal deformation of a press roll and compressing a thin film material such as an electrode material for a secondary battery with high accuracy. A pair of upper and lower press r...
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