CN104475860A - Method for width setting of disc shear of edge cutting device during production of coiled material - Google Patents
Method for width setting of disc shear of edge cutting device during production of coiled material Download PDFInfo
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- CN104475860A CN104475860A CN201410846201.3A CN201410846201A CN104475860A CN 104475860 A CN104475860 A CN 104475860A CN 201410846201 A CN201410846201 A CN 201410846201A CN 104475860 A CN104475860 A CN 104475860A
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- China
- Prior art keywords
- coiled material
- width
- value
- trimming
- temperature
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Abstract
The invention discloses a method for the width setting of a disc shear of an edge cutting device during the production of a coiled material. The method comprises the following steps of (1) determining a value w1 of influence of temperature on the width of the coiled material after edge cutting according to w1=k*(T1-T2)*b, wherein k is a width variation coefficient of the coiled material, k=Deltac/(Deltat*c), Deltac is a width variation value of the coiled material under a temperature variation condition, c is a width value of the coiled material, Deltat is a temperature variation value, T1 is the incoming temperature of the coiled material, T2 is environmental temperature during edge cutting operation, and b is a target width value of edge cutting of the coiled material; (2) setting the width w of the coiled material after edge cutting according to w=b+w1+a/2, wherein a is the sum of a tolerance upper limit and a tolerance lower limit of the target width value of edge cutting of the coiled material. According to the method for the width setting of the disc shearing of the edge cutting device during the production of the coiled material, the edge of a coiled material of which the incoming temperature is higher can be directly cut, and the requirement on the width accuracy of the coiled material can be met.
Description
Technical field
The invention belongs to band production technical field, being specifically related to the circle shear width establishing method of a kind of trimming device when producing coiled material.
Background technology
The main purpose of trimming device is that coiled material is switched to user's request width from supplied materials width, and because user is higher to the width requirement of material in follow-up use procedure, accuracy rating is often up within ± 0.5mm, and this has higher requirement for circle shear trimming device.And in actual shearing process, what difference variation caused expand with heat and contract with cold, and reason is the main cause causing width to exceed accuracy standard.
The current subject matter affecting finished-product material width remains because material expands with heat and contract with cold the change width caused, in process of production, for reducing change width risk, the mode taked is for controlling uncoiling temperature, even if material temperature carries out trimming production again after lower than 50 DEG C, reduce and cause trimming width to exceed standard because expanding with heat and contract with cold.Although the method can meet instructions for use to a certain extent, can life cycle of the product be increased, and reduce production efficiency.
Summary of the invention
In view of this, the object of the present invention is to provide the circle shear width establishing method of a kind of trimming device when producing coiled material, coiled material that can be directly higher to supplied materials temperature carries out trimming operation, and can meet the width accuracy requirement of coiled material.
For achieving the above object, the invention provides following technical scheme:
The circle shear width establishing method of trimming device when producing coiled material, comprises the steps:
1) determine that temperature is to the widths affect value w after coiled material trimming
1:
w
1=k*（T
1- T
2）﹡b
Wherein, k is the change width coefficient of coiled material, and k=△ c/(△ t*c), wherein, △ c is the change width value of coiled material under variations in temperature condition; C is the width value of coiled material; △ t is temperature change value;
T
1for the supplied materials temperature of coiled material;
T
2for environment temperature during trimming operation;
B is the target width value of coiled material trimming;
2) the width w after coiled material trimming is set:
w=b+ w
1+a/2
Wherein, a be the tolerance limit of the target width value of coiled material trimming absolutely and lower variation of tolerance sum.
Further, described coiled material is aluminium coiled material, and k=(0.015-0.020) ‰.
Beneficial effect of the present invention is:
The circle shear width establishing method of trimming device of the present invention when producing coiled material, by measuring the change width coefficient of coiled material, the change width value after coiled material trimming can be obtained according to this change width coefficient, so, just can according to this change width value be preset in supplied materials temperature higher time coiled material trimmed width, reach the object directly to coiled material trimming under the condition that supplied materials temperature is higher, therefore, after circle shear width establishing method when adopting the present invention to produce coiled material, the trimming production requirement of coiled material can not only be met, and effectively can shorten the production cycle, enhance productivity.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
The circle shear width establishing method of trimming device when producing coiled material of the present embodiment, comprises the steps:
1) determine that temperature is to the widths affect value w after coiled material trimming
1:
w
1=k*（T
1- T
2）﹡b
Wherein, k is the change width coefficient of coiled material, and k=△ c/(△ t*c), wherein, △ c is the change width value of coiled material under variations in temperature condition; C is the width value of coiled material; △ t is temperature change value;
T
1for the supplied materials temperature of coiled material;
T
2for environment temperature during trimming operation;
B is the target width value of coiled material trimming;
2) coiled material trimming width w is set:
w=b+ w
1+a/2
Wherein, a is tolerance limit and the lower variation of tolerance sum of the target width value of coiled material trimming.
Concrete, the coiled material of the present embodiment is aluminium coiled material, and c is the width value of coiled material, gets 1000mm; △ t is temperature change value, gets 1 DEG C, and be (0.015-0.020) ‰ by the k value calculated after measurement △ c, the k value value of the present embodiment is 2.0 × 10
-5so, it is 80 DEG C for supplied materials temperature, trimming environment temperature is 25 DEG C, and the target width of trimming is 2000mm, during the aluminium trimming of tolerance grade ± 0.5mm, by calculating, circle shear width set-point is 2002.2mm, is cooled to after environment temperature until coiled material, can reach the accuracy rating requirement of target width.
The circle shear width establishing method of trimming device when producing coiled material of the present embodiment, by measuring the change width coefficient of coiled material, the change width value after coiled material trimming can be obtained according to this change width coefficient, so, just can according to this change width value be preset in supplied materials temperature higher time coiled material trimmed width, reach the object directly to coiled material trimming under the condition that supplied materials temperature is higher, therefore, after circle shear width establishing method when adopting the present invention to produce coiled material, the trimming production requirement of coiled material can not only be met, and effectively can shorten the production cycle, enhance productivity.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (2)
1. the circle shear width establishing method of trimming device when producing coiled material, is characterized in that: comprise the steps:
1) determine that temperature is to the widths affect value w after coiled material trimming
1:
w
1=k*（T
1- T
2）﹡b
Wherein, k is the change width coefficient of coiled material, and k=△ c/(△ t*c), wherein, △ c is the change width value of coiled material under variations in temperature condition; C is the width value of coiled material; △ t is temperature change value;
T
1for the supplied materials temperature of coiled material;
T
2for environment temperature during trimming operation;
B is the target width value of coiled material trimming;
2) coiled material trimming width w is set:
w=b+ w
1+a/2
Wherein, a be the tolerance limit of the target width value of coiled material trimming absolutely and lower variation of tolerance sum.
2. the circle shear width establishing method of trimming device according to claim 1 when producing coiled material, is characterized in that: described coiled material is aluminium coiled material, and k=(0.015-0.020) ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846201.3A CN104475860B (en) | 2014-12-31 | 2014-12-31 | Method for width setting of disc shear of edge cutting device during production of coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846201.3A CN104475860B (en) | 2014-12-31 | 2014-12-31 | Method for width setting of disc shear of edge cutting device during production of coiled material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104475860A true CN104475860A (en) | 2015-04-01 |
| CN104475860B CN104475860B (en) | 2017-02-22 |
Family
ID=52750536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846201.3A Active CN104475860B (en) | 2014-12-31 | 2014-12-31 | Method for width setting of disc shear of edge cutting device during production of coiled material |
Country Status (1)
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|---|---|
| CN (1) | CN104475860B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005153063A (en) * | 2003-11-25 | 2005-06-16 | Toyota Motor Corp | Method and device for cutting sheet material |
| US20100132426A1 (en) * | 2007-05-30 | 2010-06-03 | Baumgaertel Uwe | Device for influencing the temperature distribution over a width |
| CN101758287A (en) * | 2008-12-15 | 2010-06-30 | 张家港市欣达机械制造有限公司 | plate trimming machine |
| CN102989784A (en) * | 2012-12-07 | 2013-03-27 | 北京金自天正智能控制股份有限公司 | Fixed-width press plate blank width control method |
| CN103962388A (en) * | 2013-01-28 | 2014-08-06 | 宝山钢铁股份有限公司 | Rough rolled band steel width control method of hot continuous rolling mill based on multiple heating furnaces |
| CN104028559A (en) * | 2014-06-10 | 2014-09-10 | 首钢京唐钢铁联合有限责任公司 | Method for controlling width fluctuation of band steel |
| CN104139206A (en) * | 2013-05-10 | 2014-11-12 | 宝山钢铁股份有限公司 | Thermostatic-heating auxiliary circle shear cutting method |
-
2014
- 2014-12-31 CN CN201410846201.3A patent/CN104475860B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005153063A (en) * | 2003-11-25 | 2005-06-16 | Toyota Motor Corp | Method and device for cutting sheet material |
| US20100132426A1 (en) * | 2007-05-30 | 2010-06-03 | Baumgaertel Uwe | Device for influencing the temperature distribution over a width |
| CN101758287A (en) * | 2008-12-15 | 2010-06-30 | 张家港市欣达机械制造有限公司 | plate trimming machine |
| CN102989784A (en) * | 2012-12-07 | 2013-03-27 | 北京金自天正智能控制股份有限公司 | Fixed-width press plate blank width control method |
| CN103962388A (en) * | 2013-01-28 | 2014-08-06 | 宝山钢铁股份有限公司 | Rough rolled band steel width control method of hot continuous rolling mill based on multiple heating furnaces |
| CN104139206A (en) * | 2013-05-10 | 2014-11-12 | 宝山钢铁股份有限公司 | Thermostatic-heating auxiliary circle shear cutting method |
| CN104028559A (en) * | 2014-06-10 | 2014-09-10 | 首钢京唐钢铁联合有限责任公司 | Method for controlling width fluctuation of band steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104475860B (en) | 2017-02-22 |
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Effective date of registration: 20201231 Address after: 401326 Chongqing Jiulongpo District West Industrial Park Patentee after: CHINALCO-SWA PLATES & STRIPS Co.,Ltd. Address before: 401329 Xipeng Industrial Park, Jiulongpo District, Chongqing Patentee before: CHINALCO-SWA COLD ROLLING Co.,Ltd. |