CN1042802C - Four roller mill of roller group cross rolling - Google Patents
Four roller mill of roller group cross rolling Download PDFInfo
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- CN1042802C CN1042802C CN94110167A CN94110167A CN1042802C CN 1042802 C CN1042802 C CN 1042802C CN 94110167 A CN94110167 A CN 94110167A CN 94110167 A CN94110167 A CN 94110167A CN 1042802 C CN1042802 C CN 1042802C
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Abstract
The present invention relates to a four-roller mill with cross rolling type roller groups, which belongs to a metal pressure type machining device. An upper roller group and a lower roller group are composed of working rollers and supporting rollers. Driven by a lining plate of a wedge-shaped groove of a mill frame window, and a wedge-shaped plate driven by a gear box, a roller bearing seat moves to adjust the crossing angle of the axis of a roller, and the shape and the convexity of a roller gap control plate, and the axial force caused by the crossing of the supporting rollers is born by an arc-shaped pressing plate, a baffle plate, a draw rod thrusting mechanism and a wheel mechanism for thrusting four connection rods, wherein the arc-shaped pressing plate, the baffle plate, the draw rod thrusting mechanism and the wheel mechanism for thrusting four connection rods are arranged on a tightening mill frame, and the draw rod thrusting mechanism and the wheel mechanism for thrusting four connection rods are used for controlling the bearing seat. With the characteristics of agile adjustment, accurate control, reliable running, light weight, low investment and low cost, the present invention can realize different rolling in a plurality of adjustment modes, and is adequate to implement the cross rolling of the rollers of the common four-roller mill.
Description
The present invention relates to a kind of intersection roller mill, particularly relate to the four-high mill of roller group tandem rolling, belong to metallurgical stress metal processing mechanical apparatus.
Existing band mill, comprise: cold rolling mill and hot rolling mill, majority is to adopt roll profile configuration, roll-bending device or increase support roller, as to develop four-high mill be measures such as six-high cluster mill, mill, reach control panel shape, improve the product precision, overcome and produce sag and flattening deformation because of roll in rolling, the deviation of the strip material transverse gage inequality that causes, i.e. appellation convexity, vertically shape wave is the appellation glacing flatness.Since this class milling train be difficult to make the control of product in convexity less than 50 μ m, glacing flatness is less than the standard-required of 12mm/m, not only the effect of control panel shape and convexity is limited for it, and the device structure more sophisticated, bring difficulty for production operation, roll change and adjustment, therefore, in recent years, people attach great importance to development intersection roller mill, obtain equivalent roll crown, production good quality and high precision strip material by adjusting the roll axial line angle of the crossing and controlling roll gap.As: on April 3rd, 1991, Chinese Patent Office disclosed the patent that a kind of " non-pair cross rolling milling train " is Qinhua Univ., Beijing's application in 27 days September nineteen ninety, its application number is 90221120.x, its objective is and make the roll tandem rolling, solve and adjust continuously the roll angle of the crossing in rolling, adopted the guiding mechanism of non-pair cross rolling, its formation is on the roll chock of the active side of duo mill, set up roll intersection adjusting device, make roll axial line crosspoint move the center of depressing at transmission side, simple in structurely can improve product quality again, reduce the consumption of transmission energy, its deficiency is that guiding mechanism is a little or the line contact more, poor stability, restricted application is difficult to use on big-and-middle-sized milling train or four-high mill.
Mitsubishi Heavy Ind. Ltd. Hiroshima makes institute in December, 1993, a kind of intersection roller mill (PairCross Mill) that exhibits before the public in the international metallurgical industry exhibition of Chinese Shanghai is called the PC milling train, with " Iron and Steel Engineer), 1984, the one-tenth pair roller cross rolling mill of introducing among the № 10, be both strip material intersection roller mill, its objective is by being adjusted to the pair roller axial line angle of the crossing continuously, control panel shape and the equivalent roll crown of acquisition, its formation is: at 4 roller mill top platforms, 4 motor are housed, 8 clutches, 8 pairs of bevel gears of transmission and 16 cover worms and wormwheels, the transmission mechanism of each worm-wheel shaft passes framework pillar, adjusts roll chock.The working roll axial force is that the thrust wheel apparatus by the quadric chain of bearing end overcomes.Its deficiency is that the frame design of milling train is huge, complex structure.Because each column of frame all need have 4 holes and corresponding increasing window size, for guaranteeing the intensity and the rigidity of frame, increase the size of framework pillar sectional area and cross member in certainly will designing, cause whole set equipment weight to increase, the cost height, investment increases, so its scope of application is limited, how to use with the four-high mill that newly manufactures and designs.As with regard to existing normal four-roller milling train, under the long-pending limited condition of its framework pillar section, realize the roll tandem rolling, be an open question still at present.
The objective of the invention is to provide the four-high mill of a kind of roller group tandem rolling, overcome the deficiency that prior art exists, keeping on the long-pending normal four-roller milling train of original framework pillar section, realize that the roll axial line intersects, adjust the roll angle of the crossing continuously, reach control panel shape and convexity, the strip material of rolling high-quality precision.
The objective of the invention is to take following measure to realize:
The four-high mill of roller group tandem rolling, parallel top roll group and the lower roll group of being combined as of its working roll with support roller, the roller group is intersected, adjusting device is to constitute like this: on each window inner column face of frame, inlay the liner plate that respectively has wedge-shaped slot respectively, the wedge shape plate that has the wedge-shaped slot with liner plate to match between the half arc column shape cushion block on this liner plate and the roll chock, this wedge shape plate drives along the inboard inclined-plane of the wedge-shaped slot of liner plate by connected transmission mechanism and slides, extract out or push, driving roll chock moves on horizontal plane, " worker " font is made at the top of last support roller bearing block, be suspended in elasticity and be connected in the chute of the equalizer bar on the frame, equalizer bar top joins by breading cap and screwdown gear; Following support roller bearing block is loaded on the framework window cross member by the bottom cushion block; The working roll bearing block of milling train transmission side and each arc-shaped feet of support roller bearing block, support mutually with the arc pressuring plate, the curved baffle that are fastenedly connected on frame respectively, the support roller bearing block of milling train active side has the pull bar thrust mechanism, the working roll bearing block end has four connecting rod thrust wheel mechanisms, rod member and baffle plate by being fastenedly connected with frame transmits the roll axial force on framework pillar respectively.
The present invention can also realize by following measure:
The gabarit of the two side of each support roller bearing block made longitudinal center's projection or for arc, place, protruding peak respectively have the groove of half arc column shape up and down, the half arc column shape cushion block that is slidingly connected and matches with groove by pin is arranged in each groove;
Roll is intersected the wedge shape plate of adjusting device and the wedge-shaped slot of liner plate, make and be all 6 ° to 8 ° identical key grooves, optimum angle is 7 °;
The end of wedge shape plate is made the tooth bar that parallels with wedge shape slot wedge inclined-plane, be meshed with the gear in the uni-drive gear box, it is isosceles trapezoid that the cross section is made at the back of tooth bar, slides between top board in gear-box and the lower platen, and its motion track parallels with liner plate wedge shape slot wedge inclined-plane;
The shape of each uni-drive gear box is made corresponding right-angled trapezium case according to its position separately, and trapezoidal angle is 82 ° to 84 °, and the trapezoidal box bottom surface is connected with framework pillar with trip bolt;
The spindle end of each uni-drive gear box outside is equipped with ratchet that prevents wedge shape plate Hui Song and the ratchet of straining with spring thereof.
The arc-shaped feet on each bearing block of transmission roll axial force and the arc pressuring plate of supporting axial force, each cambered surface of curved baffle, be that the mid point of getting body of roll axial line is the center of circle, the framework window width is the arc chord length, with this string end points to the distance of body of roll axial line mid point is radius, the cylindricality cambered surface that forms constitutes, so that the roll angle of the crossing is when adjusting, each contact portion is displacement smoothly thereupon.
The present invention has following advantage compared with the prior art:
1. because roll intersects guiding mechanism is in the framework pillar face is inlayed the wedge-shaped slot of liner plate,, can keep the sectional area of original framework pillar constant by the control of wedge shape plate, simplify transmission mechanism, easy for installation, weight of equipment light, the investment is low;
The roller group intersect to adjust flexibly, precise control, reliable operation.The supporting-point of guiding mechanism mostly is plane or curved surface contact, and control panel shape ability is strong, precision is high, working stability.As: rolling Q235 steel plate, drafts are increased under 60% the condition, still can adjust flexibly accurately, can select the best roll angle of the crossing.
3. be convenient to realize multiple adjustment mode.Adjusting the roll angle of the crossing can the symmetrical chiasma adjustment, unidirectional adjustment or two-way adjustment, and angle of the crossing control range is wide, is generally 0～1.3 °, adjusts precision can reach ± 0.1 °, and is flexible and convenient to use, can rolling good quality and high precision strip material.
4. the present invention is practical, is suitable for production technology and changes, and has or not roll change buggy to adorn roller easily during roll change or unloads roller, has overcome the shortcoming of existing milling train loading and unloading roller difficulty.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the active side front view of the four-high mill of roller group of the present invention tandem rolling;
Fig. 2 is the lateral side view (front view of representing the transmission side of four-high mill of the present invention) of Fig. 1;
Fig. 3 is the roll intersection guiding mechanism schematic diagram that Fig. 1 analyses and observe along A-A;
Fig. 4 and Fig. 5 are half arc column shape cushion block structural representations of the groove assembling on the support roller bearing block two side;
The pull bar thrust mechanism schematic diagram of Fig. 6 support roller bearing block active side that to be Fig. 1 analyse and observe along B-B;
Fig. 7 is support roller bearing block transmission side arc-shaped feet and the arc pressuring plate supporting structure schematic diagram that Fig. 2 analyses and observe along E-E;
Fig. 8 is working roll bearing block transmission side arc-shaped feet and the curved baffle supporting structure schematic diagram that Fig. 2 analyses and observe along D-D;
Four connecting rod thrust wheel mechanism partial schematic diagrams of Fig. 9 working roll bearing block active side that to be Fig. 1 analyse and observe along C-C.
Below in conjunction with drawings and Examples, the present invention is described in detail:
With reference to Fig. 1, the four-high mill of roller group of the present invention tandem rolling, by frame 1, roll 2, liner plate 4, half arc column shape cushion block 5, wedge shape plate 6, roll depress spiro rod 10 and axial force thrust brake pull bar thrust mechanism arc briquetting 39 and the curved baffle 35 of roll chock 3 and roll intersection guiding mechanism are formed.The roll intersection adjusts and the axial force thrust brake is on the window inner column face of frame 1, inlay the liner plate 4 that has wedge-shaped slot respectively, between the half arc column shape cushion block 5 on this liner plate 4 and the roll chock, key groove wedge shape plate 6 identical and that match with the wedge-shaped slot of liner plate 4 is arranged, 16 slips (referring to Fig. 3) along wedge inclined-plane in the liner plate wedge-shaped slot, there are tooth bar 17 transmission mechanisms the end of wedge shape plate 6, drive and extract out or push, drive support roller bearing block 3 displacements of roll, two cover mechanisms are respectively arranged on the two side of each bearing block, two wedge shape plates are extracted out simultaneously when the right side, and left side two wedge shape plates should push simultaneously, and this bearing block level moves right; " worker " font is made at the top of last support roller bearing block 7, is suspended in elasticity to be connected in the chute of the equalizer bar 8 on the frame, and when the support roller bearing block was gone up in adjustment, the top can be moved at the chute of equalizer bar.Join by breading cap 9 and depress spiro rod 10 above; Following support roller bearing block 3 is loaded on the framework window cross member by the cushion block 11 of bottom; Top working roll bearing block 12 slides between the two side of last support roller bearing block 7, makes top working roll 2 and goes up support roller 2 ' composition top roll group, and same, bottom working roll is formed the lower roll group with following support roller.The adjustment of the up-down rollers group angle of the crossing is the final drive shaft 18 of 13 every groups of four groups of 8 uni-drive gear boxes by the every side of milling train, and uni-drive gear box internal gear 19 is meshed with tooth bar 17 with gear 20 respectively.This tooth bar 17 is made the wedge inclined-plane 16 (with reference to Fig. 3) of the wedge-shaped slot that is parallel to liner plate 4, and ratchet 21 that prevents 6 times pines of wedge shape plate and the ratchet of straining with spring 22 23 are equipped with in final drive shaft 18 outer ends of each gear-box.Be linked to be one group by coupling sleeve 18 ' between the main shaft of gear-box.Support roller bearing block end respectively has the pressing plate 35 that four connecting rod thrust wheel mechanisms are respectively arranged about pull bar thrust mechanism 39 and working roll bearing block end up and down, and variable-pressure plate 35 is anchored on the frame 1, and supporting is from the axial force of roll.
With reference to Fig. 2, expression milling train transmission side structure structure is the lateral side view of Fig. 1.By frame 1, roll 2 is housed, last support roller 2 ', bearing block 7 is formed the top roll group, following support roller bearing block 3 and bottom working roll and bearing block are formed the lower roll group, the guiding mechanism that intersects is by the liner plate 4 that is embedded on the frame 1 window inner column face, half arc column shape cushion block 5 on the bearing block, wedge shape plate 6 are formed, " worker " font is made at the top of last support roller bearing block 7, equally be suspended in elasticity with active side and be connected in the chute of the equalizer bar 8 on the frame, top is connected with depress spiro rod 10 by breading cap 9; Following support roller bearing block 3 is loaded on the framework window cross member by bottom cushion block 11; Top working roll bearing block 12, between the two side of last support roller bearing block 7, slide, when adjusting the roll angle of the crossing, identical with active side operation, be by four groups of 8 uni-drive gear boxes 13, respectively by the final drive shaft 18 of each group, driving rack 17, it is isosceles trapezoid that the cross section is made at the back of this tooth bar 17, slides between top board 14 and lower platen 15, and its motion track is parallel with the wedge shape slot wedge inclined-plane of liner plate 4.When whole group of two wedge shape plates 6 of bearing block one side are extracted out simultaneously, two wedge shape plates of the whole group of opposite side push simultaneously, and the driving bearing seat moves, and the diverse location of this adjustment roll chock reaches and adjusts the roll angle of the crossing and change.The axial thrust that the roll tandem rolling produces, by the arc pressuring plate 43 that is fastened on the frame 1, and curved baffle 47 supportings, the roll axial force is passed on the frame.
Fig. 3 is the schematic diagram of expression roll intersection guiding mechanism.On the column face in the window of frame 1, inlay the liner plate 4 that has wedge-shaped slot, support roller 2 ' is loaded on bearing block 3, respectively there are two and half arc column shape cushion blocks 5 up and down the two side of bearing block 3, respectively with the wedge-shaped slot of liner plate 4 in wedge shape plate 6 join, this wedge shape plate 6 is respectively made key groove with the wedge-shaped slot of liner plate 4 and is matched for 7 °, and slide along the wedge inclined-plane 16 of wedge-shaped slot, main shaft 18 travelling gears 19 of the uni-drive gear box 13 that is fastenedly connected by frame 1 outside are meshed with gear 20 and tooth bar 17, and transmission and tooth bar 17 are the wedge shape plate 6 of consubstantiality.The shape of uni-drive gear box is made corresponding right-angled trapezium case according to its position, and trapezoidal angle is 83 °, and its bottom surface is anchored on framework pillar with screw.In order to prevent the Hui Song of wedge shape plate 6, the ratchet 23 that the outer spindle end of gear-box 13 is equipped with ratchet 21 and strains with spring 22.
Fig. 4 and Fig. 5 are the structural representations of half arc column shape cushion block of support roller bearing block two side gabarit shape and groove and assembling.The two side gabarit of following support roller bearing block 3 is made longitudinal center's projection or is arc, place, protruding peak respectively has half arc column connected in star 24 and 25 up and down, have in each groove by pin 26 and 27, pass the horizontal slotted hole 28 and 29 of half arc column shape cushion block 5 respectively, be slidingly connected with bearing block 3.
Fig. 6 is the pull bar thrust mechanism schematic diagram of support roller bearing block active side.Support roller 2 ' and bearing block 3 are assemblied between two columns of frame 1, respectively there is the rod member 38 that is fastenedly connected two column sides, the hinged two arc briquettings 39 of difference, two arc briquettings 39, each hinged right-and-left threaded screw rod 40 and 41, connected by right-and-left threaded nut 42, tension makes arc briquetting 39 compress arc-shaped feet 36 on the support roller bearing block respectively, and supporting is from the axial thrust of roll.When roll change, unclamp nut 42, separately screw rod 40 and 41 rotates the hinge of arc briquetting 39 distaff parts 38, can extract support roller 2 ' and bearing block 3 out.The 5th, half arc column shape cushion block on the bearing block.
Fig. 7 is the arc-shaped feet and the arc pressuring plate supporting structure schematic diagram of support roller bearing block transmission side.Support roller 2 ' and bearing block 3 are assemblied between two columns of frame 1, and the arc-shaped feet 44 on the bearing block (and 46) respectively is supported on the arc pressuring plate 43 (and 45) that is fastened on the frame, bears the axial thrust from roll, is passed on the frame 1.Roll 2 ' is extracted out by active side with bearing block 3 simultaneously during roll change.
Fig. 8 is working roll bearing block transmission side arc-shaped feet and curved baffle supporting structure schematic diagram.Working roll 2 and bearing block 12 are assemblied between support roller bearing block 3 two sides, and 2 ' is support roller, and there are two arc-shaped feets 48 working roll bearing block 12 outer ends, and curved baffle 47 supports mutually on the frame 1 by being anchored on, and adjust pad 49 control working roll axial locations.The roller group is extracted out together by active side during roll change.
Fig. 9 is four connecting rod thrust wheel mechanism partial schematic diagrams of working roll bearing block active side.Working roll 2 and roller bearing 12 are assemblied between the two side of support roller bearing block (not providing among the figure), bearing block is by hinge 30 assemblings two cover four connecting rods 31 and 32, on transverse axis 33, respectively assemble thrust wheel 34,1 liang of column of frame respectively is equipped with and is fastenedly connected pressing plate 35, the axial location of control working roll, the wheel rim of thrust wheel 34 is made arc, so that rotate flexibly when adjusting the roll angle of the crossing.
Claims (7)
1, the four-high mill of a kind of roller group tandem rolling, by frame, roll and bearing block thereof, roller biting and the adjustment of roll intersection and axial force supporting arrangement are formed, it is characterized in that adjustment of said roll intersection and axial force thrust brake, be on each window inner column face of frame, inlay the liner plate that respectively has wedge-shaped slot respectively, between the half arc column shape cushion block on this liner plate and the roll chock, the wedge shape plate that has the wedge-shaped slot with liner plate to match, this wedge shape plate drives by connected transmission mechanism, wedge-shaped slot along liner plate slides, extract out or push, driving roll chock moves on horizontal plane, and " worker " font is made at the top that will go up the support roller bearing block, be suspended in elasticity and be connected in the chute of the equalizer bar on the frame, join by breading cap and screwdown gear above the equalizer bar, following support roller bearing block is loaded on the framework window cross member by the bottom cushion block, the working roll bearing block of milling train transmission side and each arc-shaped feet of support roller bearing block, respectively with the arc pressuring plate that is fastenedly connected on frame, curved baffle supports mutually, the support roller bearing block of milling train active side has the pull bar thrust mechanism, the working roll bearing block end has four connecting rod thrust wheel mechanisms, rod member and baffle plate supporting by being fastenedly connected with frame transmitted the roll axial force on framework pillar respectively.
2, four-high mill according to claim 1, the gabarit that it is characterized in that the two side of each support roller bearing block is made longitudinal center's projection or is arc, place, protruding peak respectively has the groove of half arc column shape up and down, and the half arc column shape cushion block that is slidingly connected and matches with groove by pin is arranged in each groove.
3, four-high mill according to claim 1 is characterized in that the wedge shape plate of roll intersection adjusting device and the wedge-shaped slot of liner plate, makes 6 ° to 8 ° identical key grooves, and optimum angle is 7 °.
4, four-high mill according to claim 1, the tooth bar of parallel shape in the wedge inclined-plane made in the end that it is characterized in that the wedge shape plate of roll intersection adjusting device, be meshed with the gear in the uni-drive gear box, it is isosceles trapezoid that the cross section is made at the back of tooth bar, slide between top board in gear-box and the lower platen, its motion track parallels with liner plate wedge shape slot wedge inclined-plane.
5, according to claim 1 or the described four-high mill of claim 4, the shape that it is characterized in that the uni-drive gear box of roll intersection adjusting device, make corresponding right-angled trapezium according to its position, trapezoidal angle is 82 ° to 84 °, and its bottom surface is fastenedly connected with securing member and framework pillar.
6, four-high mill according to claim 1 is characterized in that roll intersects the outer spindle end of each gear-box of transmission mechanism of adjusting device, the ratchet that prevents wedge shape plate Hui Song is housed and with the ratchet of spring tension.
7, four-high mill according to claim 1, each cambered surface that it is characterized in that the arc-shaped feet on curved baffle, arc pressuring plate and the bearing block of the thrust brake of roll axial force is that the mid point of getting body of roll axial line is the center of circle, the framework window width is the arc chord length, with this string end points to the distance of body of roll axial line mid point is radius, and the cambered surface that forms cylindricality of making an arc constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110167A CN1042802C (en) | 1994-04-02 | 1994-04-02 | Four roller mill of roller group cross rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110167A CN1042802C (en) | 1994-04-02 | 1994-04-02 | Four roller mill of roller group cross rolling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1109390A CN1109390A (en) | 1995-10-04 |
| CN1042802C true CN1042802C (en) | 1999-04-07 |
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ID=5034154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94110167A Expired - Fee Related CN1042802C (en) | 1994-04-02 | 1994-04-02 | Four roller mill of roller group cross rolling |
Country Status (1)
| Country | Link |
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| CN (1) | CN1042802C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078506C (en) * | 1999-07-29 | 2002-01-30 | 宝山钢铁股份有限公司 | Cross rolling mill |
| CN102240673B (en) * | 2011-05-16 | 2013-05-22 | 北京科技大学 | High-rigidity rolling mill |
| CN102553913A (en) * | 2011-12-02 | 2012-07-11 | 内蒙古包钢钢联股份有限公司 | Rolling method of Q235BZ15 steel plate with thickness of 50-100mm |
| CN102989765B (en) * | 2012-12-25 | 2015-06-17 | 东北大学 | Multifunctional rolling mill for producing thin metal straps and ultra-thin metal straps |
| CN103056733B (en) * | 2013-01-21 | 2015-06-24 | 李维生 | CNC (computerized numerical control) multi-axis rotary centerless cylindrical grinding machine |
| CN106001115B (en) * | 2016-06-12 | 2018-08-31 | 河北德乐机械科技股份有限公司 | A kind of battery pole piece rolling equipment that roll interlocks |
| CN106623437B (en) * | 2016-12-14 | 2018-08-14 | 北京首钢股份有限公司 | A method of reducing rolling mill roll axial float |
| CN110038906B (en) * | 2019-05-24 | 2020-08-14 | 江苏甬金金属科技有限公司 | Rolling mill convexity adjusting device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446159A (en) * | 1977-09-20 | 1979-04-11 | Ishikawajima Harima Heavy Ind Co Ltd | Rolling mill with intermediate roll equipped with shape controller |
| SU1329848A1 (en) * | 1985-03-28 | 1987-08-15 | Череповецкий Металлургический Комбинат Им.50-Летия Ссср | Method of adjusting working stand of four-high sheet rolling mill |
| US4727741A (en) * | 1985-08-09 | 1988-03-01 | Mitsubishi Jukogyo Kabushiki Kaisha | Cross-rolling mill |
| US4736609A (en) * | 1985-08-16 | 1988-04-12 | Sms Schloemann-Siegmag Aktiengesellschaft | Adjusting device for rolling mill rolls |
| EP0525552A1 (en) * | 1991-07-30 | 1993-02-03 | Mitsubishi Jukogyo Kabushiki Kaisha | Roll crossing apparatus for cross-rolling mill |
| EP0553480A2 (en) * | 1991-12-27 | 1993-08-04 | Hitachi, Ltd. | Rolling mill, rolling method and rolling mill system |
-
1994
- 1994-04-02 CN CN94110167A patent/CN1042802C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446159A (en) * | 1977-09-20 | 1979-04-11 | Ishikawajima Harima Heavy Ind Co Ltd | Rolling mill with intermediate roll equipped with shape controller |
| SU1329848A1 (en) * | 1985-03-28 | 1987-08-15 | Череповецкий Металлургический Комбинат Им.50-Летия Ссср | Method of adjusting working stand of four-high sheet rolling mill |
| US4727741A (en) * | 1985-08-09 | 1988-03-01 | Mitsubishi Jukogyo Kabushiki Kaisha | Cross-rolling mill |
| US4736609A (en) * | 1985-08-16 | 1988-04-12 | Sms Schloemann-Siegmag Aktiengesellschaft | Adjusting device for rolling mill rolls |
| EP0525552A1 (en) * | 1991-07-30 | 1993-02-03 | Mitsubishi Jukogyo Kabushiki Kaisha | Roll crossing apparatus for cross-rolling mill |
| EP0553480A2 (en) * | 1991-12-27 | 1993-08-04 | Hitachi, Ltd. | Rolling mill, rolling method and rolling mill system |
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| Publication number | Publication date |
|---|---|
| CN1109390A (en) | 1995-10-04 |
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