CN1945481A - Coiling variable tension control technology for 300 series stainless steel - Google Patents
Coiling variable tension control technology for 300 series stainless steel Download PDFInfo
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- CN1945481A CN1945481A CNA2006101020493A CN200610102049A CN1945481A CN 1945481 A CN1945481 A CN 1945481A CN A2006101020493 A CNA2006101020493 A CN A2006101020493A CN 200610102049 A CN200610102049 A CN 200610102049A CN 1945481 A CN1945481 A CN 1945481A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention of roll changing tension controlling technology for 300 series stainless steel belongs to the field of heat-rolled steel control, which is controlled by the two-level computer. Its features are: the second-level computer completes sending the setting value, the coefficient of changing tension and the mark for distinction of different kinds of steel, the first computer completes the control of coiling changing tension to realize the automatic controlling production. The advantages are: 1. It resolves the allocation and release of hot strip coiling strip head and internal stress, 2. It can improve the shape of coiler, especially the head bad shape, 3. It solves the problem of over-current in coiler and saves the investment of equipment, 4. It also provides protection for improving the quality of 300-series cold-rolled stainless steel, and improves the problem of bad shape of head.
Description
One. technical field
Disclosed by the invention 300 is that stainless steel batches variable tension control technology, belongs to hot-strip and batches the control technology field, and being specifically related to hot continuous rolling 300 is that stainless steel batches variable tension control technology.
Two. background technology
Hot continuous rolling batches the built-in thermal stress distribution of band steel toe portion, distribution, release problem, and steel microcosmic structure and related material and performance issue are with in the plate shape problem and the influence of influence band steel macroscopic view thus, it is the difficult problem that steel rolling production runs into, it not only relates to multidisciplinary theories such as crystal, metallographic, molecules, thermodynamics, and in actual steel rolling is produced, face complex environment, exist many instabilities or changeable factor.We are that it was not very good running into strip coiling plate shape always, especially is with steel toe portion comparatively serious during stainless steel was produced 300.Therefore improve that to batch plate shape be the target that we work, experience is learnt: the control of hot rolling reeling strip tension is one of key of technology, and hot rolling coiler coiling tension setting value is excessive in addition, reel motor overcurrent power down when easily causing band steel afterbody again.Start with from this two aspect, through research repeatedly, making hot continuous rolling 300 is that stainless steel batches the variable tension control technology achieving success.This Study on Technology success has solved hot continuous rolling preferably and has batched internal stress distribution of band steel toe portion and release problem, and making hot-continuous-rolling strip steel batch back plate shape has had bigger improvement; Also solved coiler mandrel motor overcurrent problem, improved that equipment is saved from damage, the safe operation rate; Also provide guarantee, solved the bad problem of cold-rolling stainless steel head plate shape, reduced the failure rate of cold rolling of strip steel for going on foot the cold-rolled quality that stainless steel 300 is down.Hot continuous rolling 300 of the present invention is that stainless steel batches the tension control technology advanced person, and it makes stable equipment operation, and the plate shape of strip coiling, scroll and quality improve, and is worth application.
Three. summary of the invention
The present invention seeks to: provide this 300 to be that stainless steel batches variable tension control technology to society, for a little work are done in the steel rolling production and the technology raising of China.
Technical scheme of the present invention thes contents are as follows: stainless steel batches the tension force automatic control technology and is: by the operating mode operation of computing machine according to the coiling tension setting value automatic reeling control machine of different steel grade signs, carry out the automatic control technology that continuous-rolling strip steel batches, this 300 is that stainless steel batches variable tension control technology, and technical characterstic is: described 300 is that stainless steel batches variable tension control technology and is: by Realized by Two-Stage or finish down that to send 300 be the stainless tension force setting value of hot continuous rolling, become the coefficient of tension and diacritics; Described being finished down by second computer sent sign and the tension force setting value (T that distinguishes steel grade
Set), become to open coefficient (T) etc., be the sign and the tension force setting value (T of the differentiation steel grade that send down
Set), become to open coefficient (T) etc., be created as the form model, its form model schematically as follows: the main setting value content of table 1 (providing) part:
| The steel grade specification | Tension force setting value N/mm 2 T set | Become and open coefficient T | Thickness mm |
| 301 thin material, wide material | 12.8 | 1.15 | 3.0 |
| 301 thin material, narrow material | 11.4 | 1.15 | 3.0 |
| 301 thick material, wide material | 10.9 | 1.15 | 5.0 |
| 301 thick material, narrow material | 9.4 | 1.15 | 5.0 |
| 304 thin material, wide material | 12.8 | 1.28 | 3.0 |
| 304 thin material, narrow material | 11.4 | 1.15 | 3.0 |
| 304 thick material, wide material | 10.9 | 1.28 | 5.0 |
| 304 thick material, narrow material | 9.4 | 1.15 | 5.0 |
Batch the change Tension Control by the one-level computer realization, wherein become and open coefficient value (1) calculating: T by formula
n==T
N-1+ T
a/ T
1* X
n, in (1) formula:
T
n: the change coefficient of tension value of sampling instant n (becomes coefficient of tension initial value T
0==1, and T
n〉=1/T, the change coefficient of tension of T for setting);
T
N-1: the change coefficient of tension value of sampling instant n-1;
X
n: value (change is opened beginning back value and is-1～-10 scope) is opened in the change of sampling instant n;
T
a: the sampling period millisecond (ms) of computer CPU;
T
1: millisecond sweep time (ms) that experience draws;
And become Tension Control value (2) T by formula
Qn==T
SetWith formula (3) T
Qn==T
Set* T
nChoose, in the formula: T
SetBe tension force setting value (N/mm
2), T
QnBe Tension Control value, L
jBecome Tension Control reference value rice (M): as strip coiling head length L＜L
jShi Caiyong formula (2); Strip coiling head length L 〉=L
jShi Caiyong formula (3).
According to above-described 300 is that stainless steel batches variable tension control technology, and technical characterstic also has: the T in the described change coefficient of tension value formula (1)
aThe range of choice in sampling period is: 2 milliseconds of (ms)～2 second (s); T
1The range of choice of sweep time is: 1 second (s)～10 second (s), sweep time is by experiment experience is definite repeatedly.
According to above-described 300 is that stainless steel batches variable tension control technology, and technical characterstic also has: described L
jThe range of choice that becomes the Tension Control reference value is: 10 meters (M)～200 meter (M).
According to above-described 300 is that stainless steel batches variable tension control technology, the detailed technology characteristics have: it is the operation of automatic reeling control machine that described automatic control band steel becomes the tension coiling operation, say so the in detail again operation of automatic reeling control machine reel motor, the electric current of the more detailed automatic reeling control machine reel motor of saying so changes, and promptly goes to control the electric current variation of reel motor by becoming tension variation.
Is according to above-described 300 is that stainless steel batches variable tension control technology, and the detailed technology characteristics also have: the master routine that described one-level computer realization is batched the software program that becomes Tension Control: batch and begin → batch load relay and connect → batch and enter Tension Control → be to become to open point? → batch and drop into to become Tension Control → batch end.It a little is exactly the change Tension Control reference value L of operation that wherein said change is opened
jThe point of rice (M).The block diagram of above two level computer control system is illustrated by Fig. 2, can use technique known content design and realization about Computer Control Technology.
Of the present invention 300 to be that stainless steel batches the advantage of variable tension control technology a lot: 1. solved hot continuous rolling preferably and batched band steel toe portion internal stress and distribute and the release problem; 2. can improve the plate shape of strip coiling, particularly the bad problem of head plate shape; 3. solve coiler mandrel motor overcurrent problem, saved equipment investment; 4. also provide guarantee, can improve the bad problem of cold-rolling stainless steel head plate shape for going on foot stainless steel 300 system cold-rolled quality down.Hot continuous rolling 300 of the present invention is that stainless steel batches the tension control technology advanced person, and control stabilization is reliable, is worth promoting the use of in steel rolling is produced.
Four. description of drawings
Figure of description of the present invention has 3 width of cloth:
Fig. 1 is a strip coiling process synoptic diagram;
Fig. 2 is 300 to be the computer system schematic block diagram that stainless steel batches variable tension control technology;
Fig. 3 is 300 to be the master routine schematic block diagram of the stainless steel software program that batches variable tension control technology.
In each figure: 1. working roll; 2. backing roll; 3. band steel; 4. coiling machine; 5. second computer; 6. one-level computing machine; 7. Be Controlled system; 8. batch beginning; 9. the reel-motor relay is connected; 10. batch and enter Tension Control; 11. be to become to open point? 12. batch to drop into and become Tension Control; 13. batch end.
Five. specific embodiments
Non-limiting examples of the present invention is as follows:
Embodiment one .300 is that stainless steel batches variable tension control technology
300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be stainless steel 301 (thin material, wide material) production, distinguishes the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that first row in the table 1 provides: tension force setting value N/mm
2T
Set: get 12.8, become and open a coefficient T: get 1.15, thickness is into 3.0mm etc., distinguish sign and each setting value of steel grade and finish down the task of sending by second computer by table.Batch the change Tension Control by the one-level computer realization, wherein become coefficient of tension value (1) calculating: T by formula
n==T
N-1+ T
a/ T
1* X
n, in (1) formula: T
n: the change coefficient of tension value of sampling instant n (becomes coefficient of tension initial value T
0==1, and T
n〉=1/T, the change coefficient of tension value (see Table 1) of T for setting; T
N-1: the change coefficient of tension value of sampling instant n-1; X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-1; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 2ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 1s for use; And become Tension Control value (2) T by formula
Qn==T
SetWith formula (3) T
Qn==T
Set* T
nChoose, in the formula: T
SetBe the tension force setting value, T
QnBe Tension Control value, L
jBecome Tension Control reference value rice, L in the written or printed documents example
jSelect 150M for use, as strip coiling head length L＜L
jShi Caiyong formula (2); Strip coiling head length L 〉=L
jShi Caiyong formula (3).Thus, the one-level computing machine calculates by the respectively value of selecting for use application of formula (1), (2), (3) of this example, accurately realizes batching the change Tension Control, finishes stainless steel 301 (thin material, wide material) change tension force by two level computer and controls hot-continuous-rolling strip steel automatically and batch production.Illustrate by Fig. 2: the control block diagram between second computer 5, one-level computing machine 6 and the Be Controlled production equipment system 7.Fig. 3 then illustrates 301, and (thin material, wide material) stainless steel batches the main program block diagram of the software program of variable tension control technology, and master routine has: batch beginning 8 → batch load relay and connect 9 → batch and enter Tension Control 10 → be and become and open point 11 → batch and drop into and become Tension Control 12 → batch and finish 13.Can use technique known content design and realization about Computer Control Technology, heat continuous-rolling strip steel 301 (thin expect, wide material) and batch change tension force and control all can adopting of production automatically as long as can realize or finish.Becoming tension force controls hot-continuous-rolling strip steel 301 (thin material, wide material) automatically and batches production run and then illustrated by Fig. 1, described automatic control band steel 3 shuts out (working roll 1, backing roll 2 only are shown) by finishing mill, and by the operation that becomes tension force automatic reeling control machine 4, say so the in detail again operation of reel motor of automatic reeling control machine 4, the electric current of the reel motor of the more detailed automatic reeling control machine 4 of saying so changes, and promptly goes to control the electric current variation of reel motor by becoming tension variation.
Embodiment two .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be that stainless steel 301 (thin material, narrow material) is produced; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that second row in the table 1 provides: tension force setting value N/mm
2T
Set: get 11.4, become and open a coefficient T: get 1.15, thickness is into 3.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-2; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 20ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 3s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 200M for use; All the other are not stated, and are same as entirely described in the embodiment one, no longer repeat.
Embodiment three .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one, embodiment two different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be stainless steel 301 (thick material, wide material) production; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that the third line in the table 1 provides: tension force setting value N/mm
2T
Set: get 10.9, become and open a coefficient T: get 1.15, thickness is into 5.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-4; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 100ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 5s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 100M for use; All the other are not stated, and are same as among the embodiment one entirely, described in the embodiment two, no longer repeat.
Embodiment four .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one～embodiment three different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be stainless steel 301 (thick material, narrow material) production; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that fourth line in the table 1 provides: tension force setting value N/mm
2T
Set: get 9.4, become and open a coefficient T: get 1.15, thickness is into 5.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-6; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 500ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 7s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 120M for use; All the other are not stated, be same as entirely among the embodiment one～described in the embodiment three, no longer repeat.
Embodiment five .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one～embodiment four different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be that stainless steel 304 (thin material, wide material) is produced; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that fifth line in the table 1 provides: tension force setting value N/mm
2T
Set: get 12.8, become and open a coefficient T: get 1.28, thickness is into 3.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-8; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 800ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 9s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 70M for use; All the other are not stated, be same as entirely among the embodiment one～described in the embodiment four, no longer repeat.
Embodiment six .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one～embodiment five different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be that stainless steel 304 (thin material, narrow material) is produced; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that the 6th row in the table 1 provides: tension force setting value N/mm
2T
Set: get 11.4, become and open a coefficient T: get 1.15, thickness is into 3.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-10; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 1s for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 10s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 10M for use; All the other are not stated, be same as entirely among the embodiment one～described in the embodiment five, no longer repeat.
Embodiment seven .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one～embodiment six different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be stainless steel 304 (thick material, wide material) production; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that the 7th row in the table 1 provides: tension force setting value N/mm
2T
Set: get 10.9, become and open a coefficient T: get 1.28, thickness is into 5.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-3; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 300ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 2s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 40M for use; All the other are not stated, be same as entirely among the embodiment one～described in the embodiment six, no longer repeat.
Embodiment eight .300 are that stainless steel batches variable tension control technology
300 of present embodiment be stainless steel batch variable tension control technology and embodiment one～embodiment seven different be: 1. 300 of present embodiment is that stainless steel batches variable tension control technology to be applied to rolling steel grade specification be stainless steel 304 (thick material, narrow material) production; 2. distinguish the sign and the tension force setting value (T of steel grade
Set), become to open coefficient (T) etc., take by the setting value content that the 8th row in the table 1 provides: tension force setting value N/mm
2T
Set: get 9.4, become and open a coefficient T: get 1.15, thickness is into 5.0mm etc.; 3.X
n: value is opened in the change of sampling instant n, becomes in this example to open to get its value after the beginning and be-9; T
a: the sampling period millisecond of computer CPU, T in this example
aSelect 700ms for use; T
1: millisecond sweep time that experience draws, T in this example
1Select 8s for use; L
jBecome Tension Control reference value rice, L in this example
jSelect 180M for use; All the other are not stated, be same as entirely among the embodiment one～described in the embodiment seven, no longer repeat.
Claims (7)
1. one kind 300 is that stainless steel batches variable tension control technology, be to carry out the automatic control technology that continuous-rolling strip steel batches by the computer control coiling machine, be characterised in that: described 300 is that stainless steel batches variable tension control technology and is: by Realized by Two-Stage or finish down send 300 be thermal tandem rolling stainless steel band the tension force setting value, become coefficient of tension value and diacritics; Batch the change Tension Control by the one-level computer realization, wherein become coefficient of tension value (1) calculating: T by formula
n==T
N-1+ T
a/ T
1* X
n, in (1) formula:
T
n: the change coefficient of tension value of sampling instant n (becomes coefficient of tension initial value T
0==1, and T
n〉=1/T, the change coefficient of tension of T for setting);
T
N-1: the change coefficient of tension value of sampling instant n-1;
X
n: value (change is opened beginning back value and is-1～-10 scope) is opened in the change of sampling instant n;
T
a: the sampling period of computer CPU (ms);
T
1: the sweep time that experience draws (ms);
And become Tension Control value (2) T by formula
Qn==T
SetWith formula (3) T
Qn==T
Set* T
nChoose, in the formula: T
SetBe the tension force setting value, T
QnBe Tension Control value, L
jBecome Tension Control reference value (M): as strip coiling head length L＜L
jShi Caiyong formula (2); Strip coiling head length L 〉=L
jShi Caiyong formula (3).
2. according to claim 1 300 is that stainless steel batches variable tension control technology, is characterised in that: the T in the described change coefficient of tension value formula (1)
aThe range of choice in sampling period is: 2ms～2s; T
1The range of choice of sweep time is: 1s～10s.
3. according to claim 2 300 is that stainless steel batches variable tension control technology, is characterised in that: described L
jThe range of choice that becomes the Tension Control reference value is: 10M～200M.
4. according to claim 3 300 is that stainless steel batches variable tension control technology, is characterised in that: it is the operation of automatic reeling control machine that described automatic control band steel becomes the tension coiling operation.
5. according to claim 4 300 is that stainless steel batches variable tension control technology, is characterised in that: it is the operation of automatic reeling control machine reel motor that described automatic control band steel becomes the tension coiling operation.
6. according to claim 5 300 is that stainless steel batches variable tension control technology, is characterised in that: described automatic control band steel becomes the electric current variation that the tension coiling operation is an automatic reeling control machine reel motor.
7. according to claim 6 300 is that stainless steel batches variable tension control technology, is characterised in that: the master routine that described one-level computer realization is batched the software program that becomes Tension Control is: batch and begin → batch load relay and connect → batch and enter Tension Control → be and become to open put → to batch and drop into change Tension Control → batch end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101020493A CN100428098C (en) | 2006-10-19 | 2006-10-19 | Coiling variable tension control technology for 300 series stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101020493A CN100428098C (en) | 2006-10-19 | 2006-10-19 | Coiling variable tension control technology for 300 series stainless steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945481A true CN1945481A (en) | 2007-04-11 |
| CN100428098C CN100428098C (en) | 2008-10-22 |
Family
ID=38044913
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101020493A Expired - Fee Related CN100428098C (en) | 2006-10-19 | 2006-10-19 | Coiling variable tension control technology for 300 series stainless steel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912874A (en) * | 2010-07-14 | 2010-12-15 | 宁波钢铁有限公司 | Production method of preventing from coiling and pulling narrow of hot-rolled low carbon strip steels used for cold-rolled base plates |
| CN102125936B (en) * | 2010-01-12 | 2012-12-12 | 宝山钢铁股份有限公司 | Method for controlling hot rolling coiling tension |
| CN102947018A (en) * | 2009-12-17 | 2013-02-27 | 西门子公司 | Method for operating a winding drum of a coiler furnace for a reverse operating hot rolling mill, control and/or regulation apparatus and reverse operating hot rolling mill |
| CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
| CN107755436A (en) * | 2016-08-22 | 2018-03-06 | 山西太钢不锈钢股份有限公司 | A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine |
| CN111014341A (en) * | 2019-12-18 | 2020-04-17 | 东北轻合金有限责任公司 | Method for realizing variable-tension rolling of hot rolling coiler |
| US10780440B2 (en) | 2015-11-04 | 2020-09-22 | Sepro Mineral Systems Corp. | Anti-spin apparatus and method for cone crusher head |
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| JP2968631B2 (en) * | 1992-01-31 | 1999-10-25 | 新日本製鐵株式会社 | Hot rolling process control method |
| JPH0841551A (en) * | 1994-07-25 | 1996-02-13 | Nkk Corp | Control of tension of strip-carrying line |
| JP3055764B2 (en) * | 1996-03-26 | 2000-06-26 | 川崎製鉄株式会社 | Tension control method and device |
| CN1179996A (en) * | 1997-05-06 | 1998-04-29 | 中国核工业总公司七二○厂 | Constant tension automatic coiling system for cold rolling mill |
| EP1005922B1 (en) * | 1998-03-26 | 2005-08-10 | JFE Steel Corporation | Method and device for taking up metal foil |
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| DE10133756A1 (en) * | 2001-07-11 | 2003-01-30 | Sms Demag Ag | Cold rolling mill and method for cold rolling metallic strip |
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| CN102947018A (en) * | 2009-12-17 | 2013-02-27 | 西门子公司 | Method for operating a winding drum of a coiler furnace for a reverse operating hot rolling mill, control and/or regulation apparatus and reverse operating hot rolling mill |
| CN102947018B (en) * | 2009-12-17 | 2016-02-17 | 西门子公司 | Run the hot-rolling mill of the method for reel of the coiling furnace of the hot-rolling mill being used for reversible work, control and/or adjusting device and reversible work |
| CN102125936B (en) * | 2010-01-12 | 2012-12-12 | 宝山钢铁股份有限公司 | Method for controlling hot rolling coiling tension |
| CN101912874A (en) * | 2010-07-14 | 2010-12-15 | 宁波钢铁有限公司 | Production method of preventing from coiling and pulling narrow of hot-rolled low carbon strip steels used for cold-rolled base plates |
| CN101912874B (en) * | 2010-07-14 | 2012-07-04 | 宁波钢铁有限公司 | Production method of preventing from coiling and pulling narrow of hot-rolled low carbon strip steels used for cold-rolled base plates |
| US10780440B2 (en) | 2015-11-04 | 2020-09-22 | Sepro Mineral Systems Corp. | Anti-spin apparatus and method for cone crusher head |
| CN107755436A (en) * | 2016-08-22 | 2018-03-06 | 山西太钢不锈钢股份有限公司 | A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine |
| CN107755436B (en) * | 2016-08-22 | 2018-12-04 | 山西太钢不锈钢股份有限公司 | A method of solution thin gauge strip tail portion loses tension and flies into coiling machine |
| CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
| CN111014341A (en) * | 2019-12-18 | 2020-04-17 | 东北轻合金有限责任公司 | Method for realizing variable-tension rolling of hot rolling coiler |
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