CN1234476C - Plate shape and thickness-controlling rolling method and corresponding gap-less roller mill - Google Patents
Plate shape and thickness-controlling rolling method and corresponding gap-less roller mill Download PDFInfo
- Publication number
- CN1234476C CN1234476C CN 02100585 CN02100585A CN1234476C CN 1234476 C CN1234476 C CN 1234476C CN 02100585 CN02100585 CN 02100585 CN 02100585 A CN02100585 A CN 02100585A CN 1234476 C CN1234476 C CN 1234476C
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- China
- Prior art keywords
- roll
- working roll
- thickness
- working
- milling train
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005096 rolling process Methods 0.000 title abstract description 18
- 238000000034 method Methods 0.000 title abstract description 15
- 238000003801 milling Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000013000 roll bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
Sequence number | Project | The CVC milling train | The PC milling train | Mobile working roller (MWR) | Remarks | ||
1 | Plate shape control principle | Working roll S roll forming moves axially | Working roll intersects in pairs with backing roll | The mobile working roller also intersects | |||
2 | Thickness control accuracy mm | The AGC device, pressure is big, precision height, big (about 1,000 ten thousand yuan) ± 0.03 of investment | The mobile working roller, mobile accuracy requires low, roll gap precision height, pressure is little,, invest little.± 0.03 | ||||
3 | Plat control system | Working roll S roll forming axial moving device; S roll forming Grinding Software and control software; Simple in structure, little to rack construction, intensity, stiffness effect; Add roll-bending device | Skewing mechanism mechanical transmission structure complexity; Big to rack construction, intensity, stiffness effect.Add roll-bending device | The mobile working roller arrangement can utilize roll-bending device, simple in structure, little to rack construction, intensity, stiffness effect; | |||
4 | Range of application | Various strip- | |||||
5 | Plate shape control ability mm | 0~0.5 (adding roll-bending device 0.6) | 0~1.0 | 0~1.0 | |||
6 | Axial force kN | About 1000 | (0.05~0.1) P | About (0.05~0.1) | |||
7 | Roll intersection or degree of excursion or mm | Move axially ± 100 | Intersect 0~1 | Intersection 0~0.5~1 moves horizontally about 0~5~15 | |||
8 | Applicable cases | About more than 70 of the whole world | About more than 70 of the whole world | Do not have |
Sequence number | Title | Code name | Unit | Calculated | Remarks | ||||||
1 | The backing roll | D1 | mm | 1300 | |||||||
2 | Work roll diameter | D2 | mm | 610 | |||||||
3 | Barrel length | L1 | mm | 1450 | |||||||
4 | The roller bearing distance between seats from | | mm | 2500 | |||||||
5 | Steel plate | B | mm | 1300 | |||||||
6 | The upper working rolls and lower working rolls intersecting angle | α | Degree | 0 | (the top roll intersection point is at left B/2 place) 1.5 (the lower roll intersection point is at right B/2 place) | Intersecting angle is too big | |||||
7 | The top working roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||
8 | X1 | mm | 0 | 0 | 8.5104 | 17.0209 | 25.5313 | 34.0417 | |||
9 | Last roll crown | h1 | mm | 0 | 0 | 0.1745 | 0.6982 | 1.5721 | 2.7977 | ||
10 | The bottom working roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||
11 | X2 | mm | 0 | 34.0417 | 25.5313 | 17.0209 | 8.5104 | 0 | |||
12 | Following roll crown | h2 | mm | 0 | 2.7977 | 1.5721 | 0.6982 | 0.1745 | 0 | ||
13 | The upper working rolls and lower working rolls convexity | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||
14 | h12 | mm | 3.7425 | 1.9833 | 1.3964 | 1.9833 | 3.7425 | The roll gap variable quantity | |||
15 | h | mm | 0 | 2.3461 | 0.5869 | 0 | 0.5869 | 2.3461 | Relative convexity | ||
16 | Maximum rolling force | P | kN | 30000 (17529kN, middle part convexitys 0.1536) | |||||||
17 | The upper and lower roll horizontal force | F1 | kN | 0 | 157 | 314 | 471 | 628 | 786 | ||
18 | The working roll bearing block side-play amount | X3 | mm | 0 | A left side: last 15.7, following 49.8 | Right: last 49.8,15.7 | |||||
19 | Intersection roller axial force | F3 | kN | About 0.1*P |
Sequence number | Title | Code name | Unit | Calculated | Remarks | |||||
1 | The backing roll | D1 | mm | 1300 | ||||||
2 | Work roll diameter | D2 | mm | 610 | ||||||
3 | Barrel length | L1 | mm | 1450 | ||||||
4 | The roller bearing distance between seats from | | mm | 2500 | ||||||
5 | Steel plate | B | mm | 1300 | ||||||
6 | The upper working rolls and lower working rolls intersecting angle | α | Degree | (the top roll intersection point is at left B/2 place) 0.5 (the lower roll intersection point is at right B/2 place) | ||||||
7 | The top roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | |||
8 | X1 | mm | 0 | 2.8362 | 5.6725 | 8.5087 | 11.3449 | |||
9 | Last roll crown | h1 | mm | 0 | 0.0194 | 0.0774 | 0.1744 | 0.3101 | ||
10 | The lower roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | |||
11 | X2 | mm | 11.3449 | 8.5087 | 5.6725 | 2.8362 | 0 | |||
12 | Following roll crown | h2 | mm | 0.3101 | 0.1744 | 0.0774 | 0.0194 | 0 | ||
13 | The up-down rollers convexity | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | |||
14 | h12 | mm | 0.3102 | 0.2211 | 0.1548 | 0.2211 | 0.3102 | The roll gap variable quantity | ||
15 | h | mm | 0.1554 | 0.0663 | 0 | 0.0663 | 0.1554 | Relative convexity | ||
16 | Maximum rolling force | P | kN | 30000 (17529kN, middle part convexitys 0.1536) | ||||||
17 | The upper and lower roll horizontal force | F1 | kN | 157 | 314 | 471 | 628 | 786 | ||
18 | The working roll bearing block side-play amount | X3 | mm | A left side: last 5.236, down 16.581 | Right: last 16.581, down 5.236 | |||||
19 | Intersection roller axial force | F3 | kN | About 0.05*P |
Sequence number | Title | Code name | Calculated | Remarks | |||||||||
1 | The backing roll diameter | D1 | | 1300 | |||||||||
2 | Work roll diameter | D2 | mm | 610 | |||||||||
3 | Barrel length | L1 | mm | 1450 | |||||||||
4 | The roller bearing distance between seats from | | mm | 2500 | |||||||||
5 | Steel plate | B | mm | 1300 | |||||||||
6 | The upper working rolls and lower working rolls intersecting angle | α | Degree | 0 | (the top roll intersection point is at left B/2 place) 0.5 (the lower roll intersection point is at right B/2 place) | ||||||||
7 | The top roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||||
8 | | mm | 5 | 5 | 7.8362 | 10.6725 | 13.5087 | 16.3449 | |||||
9 | Last roll crown | h1 | mm | 0.0131 | 0.0131 | 0.1479 | 0.2744 | 0.4397 | 0.6438 | ||||
10 | The lower roll side-play amount | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||||
11 | | mm | 5 | 16.3449 | 13.5087 | 10.6725 | 7.8362 | 5 | |||||
12 | Following roll crown | h2 | mm | 0.0131 | 0.6438 | 0.4397 | 0.2744 | 0.1479 | 0.0131 | ||||
13 | The up-down rollers convexity | The position | Left side B/2 | Left side B/4 | The middle part | Right B/4 | Right B/2 | ||||||
14 | h12 | mm | 0.0262 | 0.7623 | 0.6140 | 0.5488 | 0.6140 | 0.7623 | The roll gap variable quantity | ||||
15 | h | mm | 0.2135 | 0.0652 | 0 | 0.0652 | 0.2135 | Relative convexity | |||||
16 | Maximum rolling force | P | kN | 30000 (17529kN, middle part convexitys 0.1536) | |||||||||
17 | The upper and lower roll horizontal force | F1 | kN | 157 | 314 | 471 | 628 | 786 | |||||
18 | The working roll bearing block side-play amount | X3 | mm | A left side: last 10.236, down 21.581 | Right: last 21.581, down 11.236 | ||||||||
19 | Intersection roller axial force | F3 | kN | About 0.05*P |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02100585 CN1234476C (en) | 2002-02-06 | 2002-02-06 | Plate shape and thickness-controlling rolling method and corresponding gap-less roller mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02100585 CN1234476C (en) | 2002-02-06 | 2002-02-06 | Plate shape and thickness-controlling rolling method and corresponding gap-less roller mill |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1436613A CN1436613A (en) | 2003-08-20 |
CN1234476C true CN1234476C (en) | 2006-01-04 |
Family
ID=27627165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02100585 Expired - Lifetime CN1234476C (en) | 2002-02-06 | 2002-02-06 | Plate shape and thickness-controlling rolling method and corresponding gap-less roller mill |
Country Status (1)
Country | Link |
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CN (1) | CN1234476C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101683659B (en) * | 2008-09-28 | 2012-05-30 | 宝山钢铁股份有限公司 | Integrated control method of cold-rolling strip steel flatness and lateral thickness difference |
CN101745541B (en) * | 2008-12-02 | 2012-02-01 | 苏州有色金属研究院有限公司 | Closed loop speed compensation method for thickness control system of aluminum cold rolling mill |
CN101992220B (en) * | 2009-08-20 | 2012-09-19 | 宝山钢铁股份有限公司 | Method for controlling rigidity of mill housing |
CN103384572B (en) * | 2011-03-18 | 2015-05-27 | 株式会社日立制作所 | Rolling control apparatus, rolling control method, and rolling control program |
CN104550327B (en) * | 2014-12-19 | 2017-01-04 | 秦皇岛首秦金属材料有限公司 | A kind of hot plate-straightening machine roll gap establishing method based on plastic deformation rate |
KR101726088B1 (en) * | 2015-12-22 | 2017-04-12 | 주식회사 포스코 | Strip shape controller and method of the same |
-
2002
- 2002-02-06 CN CN 02100585 patent/CN1234476C/en not_active Expired - Lifetime
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Publication number | Publication date |
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CN1436613A (en) | 2003-08-20 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DUAL GROUP (DEYANG) HEAVY EQUIPMENT CORP. Free format text: FORMER OWNER: CHINA SECOND HEAVY MACHINERY GROUP CO Effective date: 20071102 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20071102 Address after: 618013 No. 460 Zhujiang West Road, Sichuan, Deyang Patentee after: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. Address before: 618013 No. 1, Zhujianglu Road, Sichuan, Deyang Patentee before: China Second Heavy Machinery Group Co |
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ASS | Succession or assignment of patent right |
Owner name: CHINA SECOND HEAVY MACHINERY GROUP CO Free format text: FORMER OWNER: DUAL GROUP (DEYANG) HEAVY EQUIPMENT CORP. Effective date: 20100312 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20100312 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: China Second Heavy Machinery Group Co Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160831 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: China Second Heavy Machinery Group Co |
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TR01 | Transfer of patent right |
Effective date of registration: 20180315 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Double (Deyang) heavy equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |
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CX01 | Expiry of patent term |
Granted publication date: 20060104 |
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CX01 | Expiry of patent term |