CN112371722A - High-speed steel rolling method and device - Google Patents
High-speed steel rolling method and device Download PDFInfo
- Publication number
- CN112371722A CN112371722A CN202010981970.XA CN202010981970A CN112371722A CN 112371722 A CN112371722 A CN 112371722A CN 202010981970 A CN202010981970 A CN 202010981970A CN 112371722 A CN112371722 A CN 112371722A
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- Prior art keywords
- roller
- supporting
- roll
- support
- backing roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
Abstract
The invention relates to the technical field of high-speed steel processing, and discloses a high-speed steel rolling method and a device, wherein the method comprises the following steps: the rolling mill comprises a frame, wherein a plurality of supporting rolls and two rolls are arranged inside the frame, the two rolls are oppositely arranged between two groups of symmetrically arranged supporting rolls, a gap is reserved between the two rolls, the two rolls are rotatably connected to the frame, two ends of each supporting roll and the two ends of each roll are respectively connected with a connecting transmission mechanism, and two ends of each supporting roll are provided with a pressing device which provides pressure to act on the upper supporting roll so as to enable the supporting rolls to be in contact with and tightly press the rolls.
Description
Technical Field
The invention relates to the technical field of high-speed steel processing, in particular to a high-speed steel rolling method and a high-speed steel rolling device.
Background
The high-speed steel is a high-hardness and difficult-to-roll material, the high-speed steel is heated and then fed into a rotary roller for rolling in the production of the high-speed steel plate, and the rolling work is difficult to continue when the temperature is lower than a certain temperature, so that the rolling force and the rolling time are two important factors influencing the rolling of the high-speed steel plate.
Disclosure of Invention
In some embodiments of the present application, to solve the above technical problem, the present invention adopts the following technical solutions: set up a plurality of backing rolls, it is spacing to utilize a plurality of backing rolls to carry out the roll, compare in prior art with the scheme that backing roll and roll were arranged side by side, rolling quality has been increased, also reduced the deformation of panel when reducing the elastic deformation of roll, rolling process is more stable, in addition on the basis that adopts a plurality of backing rolls to carry out the restriction to the roll, can reduce the diameter of roll, consequently, rolling process does not need very big rolling power, production efficiency is high.
In some embodiments of the application, the number of the supporting rollers is improved, the number of the supporting rollers is increased, the rolling quality is increased, the elastic deformation of the rollers is reduced, the deformation of the plate is also reduced, and the rolling process is more stable.
In some embodiments of this application, the mode of arranging to a plurality of backing rolls has improved, adopt the dislocation form of arranging with backing roll and roll, the longitudinal space of backing roll has been practiced thrift on the one hand, on the other hand is triangle-shaped's the form of arranging with backing roll and roll, structural stability has been guaranteed, and then make rolling process more stable, in addition on the basis that adopts a plurality of backing rolls to restrict the roll, can reduce the diameter of roll, consequently, rolling process does not need very big rolling power, and production efficiency is high.
In some embodiments of the present application, a high speed steel rolling apparatus, comprising: the frame is used for mounting components of each part of the rolling device; the supporting rollers are rotatably arranged on the rack and are arranged in a plurality; the two rollers comprise a first roller and a second roller, the first roller and the second roller are oppositely arranged between the supporting rollers, a gap is reserved between the first roller and the second roller, and the first roller and the second roller are rotatably connected on the rack;
in some embodiments of the present application, the diameter of the rolls is the same and the diameter of the support rolls is greater than the diameter of the rolls.
In some embodiments of the present application, the rack further includes a transmission mechanism, the transmission mechanism is disposed at two sides of the rack, and the support roll and two ends of the roll are respectively rotatably connected to the transmission mechanism; the transmission mechanism is provided with a plurality of gears, the gears are coaxially arranged with the roller and the supporting shaft, the gears are fixedly connected with the supporting roller and two ends of the roller, the supporting roller and the roller rotate relatively to drive the gears to rotate, and the gears are meshed with each other to drive the supporting roller and the roller to rotate.
In some embodiments of the application, two ends of each supporting roller are provided with a pressing device, and the pressing devices provide pressure to act on the supporting rollers, so that the supporting rollers and the supporting rollers are in contact and pressed tightly; wherein the pressing device is provided as a hydraulic cylinder.
In some embodiments of this application, the backing roll divide into two sets ofly, and including first support roller set and second support roller set, two sets of the backing roll upper and lower symmetrical arrangement and rotatable coupling in the frame.
In some embodiments of the application, the first supporting roller group comprises a first supporting roller and a second supporting roller, the first supporting roller and the second supporting roller are arranged in parallel, a gap is reserved between the first supporting roller and the second supporting roller, a first roller is arranged between the first supporting roller and the second supporting roller, the first roller is in close contact with the first supporting roller and the second supporting roller respectively, and the first roller is arranged in a triangular shape with the first supporting roller and the second supporting roller; the second supporting roller group comprises a third supporting roller and a fourth supporting roller, the third supporting roller and the fourth supporting roller are arranged in parallel, a gap is reserved between the third supporting roller and the fourth supporting roller, a second roller is arranged between the third supporting roller and the fourth supporting roller, the second roller is in close contact with the third supporting roller and the fourth supporting roller respectively, and the second roller is arranged in a triangular mode with the third supporting roller and the fourth supporting roller.
In some embodiments of the present application, the first supporting roll group includes a fifth supporting roll, a sixth supporting roll and a seventh supporting roll, the fifth supporting roll and the sixth supporting roll are arranged side by side, a gap is left between the fifth supporting roll and the sixth supporting roll, a seventh supporting roll is arranged between the fifth supporting roll and the sixth supporting roll, the seventh supporting roll is in close contact with the fifth supporting roll and the sixth supporting roll respectively, the seventh supporting roll is in triangular arrangement with the fifth supporting roll and the sixth supporting roll, the first roll is in close contact with the fifth supporting roll and the sixth supporting roll respectively, the first roll is in triangular arrangement with the fifth supporting roll and the sixth supporting roll, and the first roll is arranged opposite to the seventh supporting roll; the second supports the roller set and includes eighth backing roll, ninth backing roll and tenth backing roll, eighth backing roll and ninth backing roll arrange side by side, just leave the gap between eighth backing roll and the ninth backing roll, the eighth backing roll with be provided with the tenth backing roll between the ninth backing roll, the tenth backing roll with the eighth backing roll with ninth backing roll difference in close contact with, just the tenth backing roll with the eighth backing roll with the ninth backing roll is triangle-shaped and arranges, the second roll with the eighth backing roll with the ninth backing roll difference in close contact with, the second roll with the eighth backing roll with the ninth backing roll is triangle-shaped and arranges, just the second roll with the tenth backing roll sets up relatively.
Drawings
FIG. 1 is an overall structure of a high-speed steel rolling apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of a high speed steel rolling apparatus according to an embodiment of the present invention;
FIG. 3 is a view showing the construction of a backup roll and a roll in embodiment 1 of the present invention;
FIG. 4 is a view showing the construction of a backup roll and a roll in embodiment 2 of the present invention;
in the figure, 10, a first roll; 20. a second roll;
100. a first support roller; 200. a second support roller; 300. a third support roller; 400. a fourth support roller; 500. a fifth supporting roller; 600. a sixth supporting roller; 700. a seventh supporting roller; 800. an eighth supporting roller; 900. a ninth supporting roller; 1000. a tenth support roller;
1. a frame; 2. a support roller; 3. rolling; 4. a transmission mechanism; 5. and (3) feeding.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the present application, the direction or positional relationship indicated by "inner" is a side closer to the geometric center of the tire based on the drawings, and the direction or positional relationship indicated by "outer" is a side away from the geometric center of the tire based on the drawings.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
A high speed steel rolling apparatus as shown in fig. 1-4, comprising: a frame 1, a supporting roller 2 and a roller 3;
the frame 1 is used for installing each part assembly of the rolling device;
the frame 1 forms the integral structure of the high-speed steel rolling device, and plays a role in integrally supporting and protecting the high-speed steel rolling device;
the supporting rollers are rotatably arranged on the frame 1 and are provided with a plurality of supporting rollers;
the two rollers are arranged and comprise a first roller 10 and a second roller 20, the first roller 10 and the second roller 20 are oppositely arranged between the supporting rollers, a gap is reserved between the first roller 10 and the second roller 20, and the first roller 10 and the second roller 20 are rotatably connected on the frame 1;
it should be noted that, the two ends of the supporting roll and the roll are both connecting rods, the connecting rods are sleeved with mounting bearings arranged coaxially with the connecting rods, and the mounting bearings are arranged at the two ends of the frame 1, so as to realize the rotatable connection of the supporting roll and the roll relative to the frame 1.
As shown in fig. 1-4, the rolls have the same diameter and the support rolls have a diameter greater than the diameter of the rolls.
In general, a small roll diameter requires a small rolling force, thereby improving production efficiency.
The rack 1 also comprises a transmission mechanism 4, the transmission mechanism 4 is arranged at two sides of the rack 1, and the two ends of the supporting roll and the two ends of the roller are respectively and rotatably connected to the transmission mechanism 4;
as shown in fig. 1-4, in an embodiment of the present invention, the transmission mechanism 4 includes a rotating motor and a plurality of gears, the gears are coaxially disposed with the rollers and the supporting shafts, and the gears are fixedly connected with the supporting rollers and the two ends of the rollers, the supporting rollers and the rollers rotate relative to each other to drive the gears to rotate, and the plurality of gears are engaged to drive the supporting rollers and the rollers to rotate.
It should be noted that the arrangement, meshing and arrangement mode of the gears is the same as the arrangement mode of the supporting rollers and the rollers, and the stable transmission between the device and the material 5 is realized by utilizing the contact transmission between the gears and the rollers.
As shown in fig. 1-4, two ends of the supporting rollers are provided with a pressing device, and the pressing device provides pressure to act on the upper supporting rollers so that the supporting rollers are pressed tightly and contacted with each other and the supporting rollers are pressed tightly;
in one embodiment of the invention, the hold-down device is provided as a hydraulic cylinder.
The reliable connection between the supporting roller and the roller is formed through the adjustment of the hydraulic cylinder, so that the connection contact stability between the supporting roller and the roller is improved, and the stable rolling quality of the plate is ensured.
In one embodiment of the present invention, the supporting rollers are provided in plurality, and the plurality of supporting rollers are divided into two groups, specifically, the two groups include a first supporting roller 100 group and a second supporting roller 200 group, and the two groups of supporting rollers are arranged in an up-down symmetrical manner and are rotatably connected to the frame 1.
Example 1:
as shown in fig. 3, the first support roller 100 group includes a first support roller 100 and a second support roller 200, the first support roller 100 and the second support roller 200 are arranged in parallel, a gap is left between the first support roller 100 and the second support roller 200, a first rolling roller 10 is arranged between the first support roller 100 and the second support roller 200, the first rolling roller 10 is respectively in close contact with the first support roller 100 and the second support roller 200, and the first rolling roller 10 is arranged in a triangular shape with the first support roller 100 and the second support roller 200;
the second support roller 200 group comprises a third support roller 300 and a fourth support roller 400, the third support roller 300 and the fourth support roller 400 are arranged in parallel, a gap is reserved between the third support roller 300 and the fourth support roller 400, a second roller 20 is arranged between the third support roller 300 and the fourth support roller 400, the second roller 20 and the third support roller 300 are respectively in close contact with the fourth support roller 400, and the second roller 20, the third support roller 300 and the fourth support roller 400 are arranged in a triangular shape.
Example 2:
as shown in fig. 4, the first support roller 100 group includes a fifth support roller 500, a sixth support roller 600 and a seventh support roller 700, the fifth support roller 500 and the sixth support roller 600 are arranged in parallel, a gap is left between the fifth support roller 500 and the sixth support roller 600, the seventh support roller 700 is arranged between the fifth support roller 500 and the sixth support roller 600, the seventh support roller 700 is respectively in close contact with the fifth support roller 500 and the sixth support roller 600, the seventh support roller 700 is arranged in a triangular shape with the fifth support roller 500 and the sixth support roller 600, the first roller 10 is respectively in close contact with the fifth support roller 500 and the sixth support roller 600, the first roller 10 is arranged in a triangular shape with the fifth support roller 500 and the sixth support roller 600, and the first roller 10 is arranged opposite to the seventh support roller 700;
the second supporting roller 200 group includes an eighth supporting roller 800, a ninth supporting roller 900 and a tenth supporting roller 1000, the eighth supporting roller 800 and the ninth supporting roller 900 are arranged in parallel, a gap is left between the eighth supporting roller 800 and the ninth supporting roller 900, the tenth supporting roller 1000 is arranged between the eighth supporting roller 800 and the ninth supporting roller 900, the tenth supporting roller 1000, the eighth supporting roller 800 and the ninth supporting roller 900 are respectively in close contact with each other, the tenth supporting roller 1000, the eighth supporting roller 800 and the ninth supporting roller 900 are arranged in a triangular shape, the second roller 20, the eighth supporting roller 800 and the ninth supporting roller 900 are respectively in close contact with each other, the second roller 20, the eighth supporting roller 800 and the ninth supporting roller 900 are arranged in a triangular shape, and the second roller 20 and the tenth supporting roller 1000 are arranged oppositely.
The working process of the rolling device is as follows: a rolling channel for rolling a high-speed steel plate is formed between the first roller 10 and the second roller 20, the high-speed steel plate passes through the rolling channel between the first roller 10 and the second roller 20 during working, the high-speed steel plate is rolled between the rollers, the high-speed steel plate is reversely rolled in the rolling channel between the first roller 10 and the second roller 20 without stopping after the rolling, meanwhile, the first support roller 100 group rotates under the driving of the first roller 10 and transmits the downward force to the first roller 10 through friction, the second support roller 200 group rotates under the driving of the second roller 20 and transmits the downward force to the second roller 20 through friction, the first roller 10 and the second roller 20 stably operate by utilizing Newton's third law, the plurality of support rollers limit the first roller 10 and the second roller 20, and the support rollers 2 and the first roller 10 and the second roller 20 are arranged in a triangular stable structure, the stability of the whole structure is improved, and the elastic deformation and even the jumping-off during rolling are reduced.
According to the first concept of the invention, the number of the supporting rollers is improved, the number of the supporting rollers is increased, the rolling quality is increased, the elastic deformation of the rollers is reduced, the deformation of the plate is also reduced, and the rolling process is more stable.
According to the second concept of the invention, the arrangement mode of the plurality of supporting rollers is improved, the supporting rollers and the rollers are arranged in a staggered manner, so that on one hand, the longitudinal space of the supporting rollers is saved, on the other hand, the supporting rollers and the rollers are arranged in a triangular manner, the structural stability is ensured, and further, the rolling process is more stable, and in addition, the diameter of the rollers can be reduced on the basis of limiting the rollers by adopting the plurality of supporting rollers, so that the rolling process does not need large rolling force, and the production efficiency is high.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A high speed steel rolling apparatus, comprising:
the frame is used for mounting components of each part of the rolling device;
the supporting rollers are rotatably arranged on the rack and are arranged in a plurality;
the two rollers comprise a first roller and a second roller, the first roller and the second roller are arranged between the supporting rollers oppositely, a gap is reserved between the first roller and the second roller, and the first roller and the second roller are rotatably connected to the rack.
2. A high speed steel rolling apparatus according to claim 1, wherein the rolls have the same diameter, and the support rolls have a diameter larger than the diameter of the rolls.
3. The high-speed steel rolling device according to claim 1, wherein the frame further comprises transmission mechanisms, the transmission mechanisms are arranged on two sides of the frame, and the supporting roll and two ends of the roll are respectively and rotatably connected to the transmission mechanisms;
the transmission mechanism is provided with a plurality of gears, the gears are coaxially arranged with the roller and the supporting shaft, the gears are fixedly connected with the supporting roller and two ends of the roller, the supporting roller and the roller rotate relatively to drive the gears to rotate, and the gears are meshed with each other to drive the supporting roller and the roller to rotate.
4. A high-speed steel rolling device according to claim 1, wherein the two ends of the supporting rolls are provided with a pressing device, the pressing device provides pressure to act on the supporting rolls, and the supporting rolls are pressed between the supporting rolls and in contact with the rolls;
wherein the pressing device is provided as a hydraulic cylinder.
5. A high speed steel rolling apparatus according to claim 1, wherein the support rollers are divided into two groups including a first support roller group and a second support roller group, and the two groups of support rollers are arranged vertically symmetrically and rotatably connected to the frame.
6. A high-speed steel rolling device according to claim 5, wherein the first support roller set comprises a first support roller and a second support roller which are arranged side by side with a gap left therebetween, a first rolling roller is arranged between the first support roller and the second support roller, the first rolling roller is in close contact with the first support roller and the second support roller respectively, and the first rolling roller and the first support roller are arranged in a triangular shape;
the second supporting roller group comprises a third supporting roller and a fourth supporting roller, the third supporting roller and the fourth supporting roller are arranged in parallel, a gap is reserved between the third supporting roller and the fourth supporting roller, a second roller is arranged between the third supporting roller and the fourth supporting roller, the second roller is in close contact with the third supporting roller and the fourth supporting roller respectively, and the second roller is arranged in a triangular mode with the third supporting roller and the fourth supporting roller.
7. A high speed steel rolling mill according to claim 5 wherein the first support roll group includes a fifth support roll, a sixth support roll and a seventh support roll, the fifth support roll and the sixth support roll being arranged in parallel, a gap is reserved between the fifth supporting roller and the sixth supporting roller, a seventh supporting roller is arranged between the fifth supporting roller and the sixth supporting roller, the seventh supporting roller and the fifth supporting roller and the sixth supporting roller are respectively in close contact, the seventh supporting roller, the fifth supporting roller and the sixth supporting roller are arranged in a triangular shape, the first roller, the fifth supporting roller and the sixth supporting roller are respectively in close contact with each other, the first roller, the fifth supporting roller and the sixth supporting roller are arranged in a triangular shape, and the first roller and the seventh supporting roller are arranged oppositely;
the second supports the roller set and includes eighth backing roll, ninth backing roll and tenth backing roll, eighth backing roll and ninth backing roll arrange side by side, just leave the gap between eighth backing roll and the ninth backing roll, the eighth backing roll with be provided with the tenth backing roll between the ninth backing roll, the tenth backing roll with the eighth backing roll with ninth backing roll difference in close contact with, just the tenth backing roll with the eighth backing roll with the ninth backing roll is triangle-shaped and arranges, the second roll with the eighth backing roll with the ninth backing roll difference in close contact with, the second roll with the eighth backing roll with the ninth backing roll is triangle-shaped and arranges, just the second roll with the tenth backing roll sets up relatively.
8. A high speed steel rolling process using the apparatus of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981970.XA CN112371722A (en) | 2020-09-17 | 2020-09-17 | High-speed steel rolling method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981970.XA CN112371722A (en) | 2020-09-17 | 2020-09-17 | High-speed steel rolling method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112371722A true CN112371722A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010981970.XA Pending CN112371722A (en) | 2020-09-17 | 2020-09-17 | High-speed steel rolling method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112371722A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606205A (en) * | 1983-06-23 | 1985-01-12 | Mitsubishi Heavy Ind Ltd | Multi-stage cluster rolling mill |
| CN1041122A (en) * | 1989-03-16 | 1990-04-11 | 郑红专 | A kind of roll small deflection, stiff mill |
| JPH0576902A (en) * | 1991-09-24 | 1993-03-30 | Kobe Steel Ltd | Rolling method |
| JP2001137928A (en) * | 1999-11-11 | 2001-05-22 | Kawasaki Steel Corp | Method for cold-rolling metal plate with cluster mill |
| CN2455396Y (en) * | 2000-02-16 | 2001-10-24 | 刘灵新 | High rigidity 18 roller cold rolling apparatus |
| JP2002066603A (en) * | 2000-08-16 | 2002-03-05 | Nippon Steel Corp | Thick steel plate excellent in secondary workability and manufacturing method therefor |
| US6439022B1 (en) * | 1999-11-26 | 2002-08-27 | Honda Giken Kogyo Kabushiki Kaisha | Rolling apparatus |
| CN2565556Y (en) * | 2002-04-15 | 2003-08-13 | 郑红专 | Multi roller rolling mill |
| CN200945493Y (en) * | 2005-11-08 | 2007-09-12 | 万飞 | Triangle roller series six-roller mill |
-
2020
- 2020-09-17 CN CN202010981970.XA patent/CN112371722A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606205A (en) * | 1983-06-23 | 1985-01-12 | Mitsubishi Heavy Ind Ltd | Multi-stage cluster rolling mill |
| CN1041122A (en) * | 1989-03-16 | 1990-04-11 | 郑红专 | A kind of roll small deflection, stiff mill |
| JPH0576902A (en) * | 1991-09-24 | 1993-03-30 | Kobe Steel Ltd | Rolling method |
| JP2001137928A (en) * | 1999-11-11 | 2001-05-22 | Kawasaki Steel Corp | Method for cold-rolling metal plate with cluster mill |
| US6439022B1 (en) * | 1999-11-26 | 2002-08-27 | Honda Giken Kogyo Kabushiki Kaisha | Rolling apparatus |
| CN2455396Y (en) * | 2000-02-16 | 2001-10-24 | 刘灵新 | High rigidity 18 roller cold rolling apparatus |
| JP2002066603A (en) * | 2000-08-16 | 2002-03-05 | Nippon Steel Corp | Thick steel plate excellent in secondary workability and manufacturing method therefor |
| CN2565556Y (en) * | 2002-04-15 | 2003-08-13 | 郑红专 | Multi roller rolling mill |
| CN200945493Y (en) * | 2005-11-08 | 2007-09-12 | 万飞 | Triangle roller series six-roller mill |
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Application publication date: 20210219 |