CN109647933A - One kind tightly rolling up operating method for smooth Q450NQR1 weathering steel - Google Patents
One kind tightly rolling up operating method for smooth Q450NQR1 weathering steel Download PDFInfo
- Publication number
- CN109647933A CN109647933A CN201811431611.6A CN201811431611A CN109647933A CN 109647933 A CN109647933 A CN 109647933A CN 201811431611 A CN201811431611 A CN 201811431611A CN 109647933 A CN109647933 A CN 109647933A
- Authority
- CN
- China
- Prior art keywords
- coil
- strip
- reel
- uncoiler
- q450nqr1
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
Abstract
The invention discloses one kind tightly to roll up operating method for smooth Q450NQR1 weathering steel, including the following contents: (1) in skin pass mill group discovery supplied materials when the coil of strip of loose ring, not being rotated in preraratory station, cut off；(2) automatic cycle mode is used when rolling up on unit, is entered before reel to coil of strip and is intervened reel of uncoiler manually and rotate counterclockwise, after coil of strip can smoothly enter into reel, stops rotating and be changed to manual mode；Reaffirm coil of strip height centering, Coil transport trolley lifting position；(3) after the completion of operation early period, starting reel expands button, while rotating drum counterclockwise manually, and reel is made to be in the state of side beading rotation, and interior loose ring is turned tight；Coil of strip turns next timely stopping uncoiler rotation, falls Coil transport trolley, carries out normal threading operation later；(4) threading opens vehicle tension no more than 1.1kg/mm2, speed control is in 120m/min or less in formation process.Present invention improves the wiping scar defects of weather-proof coil of strip, and the carbon steel quality of skin pass mill group and yield is made to step on a new stage.
Description
Technical field
The present invention relates to one kind tightly to roll up operating method for smooth Q450NQR1 weathering steel, specifically, being a kind of steel
The smooth weather-proof steel quality of bundling improvement of production line of enterprise's hot continuous rolling roll bending and the innovation operating method for improving unit operation rate.
Background technique
The purpose of Taiyuan Iron and Steel Co. hot continuous rolling factory 2250mm skin pass mill group is exactly to improve strip shape quality and strip surface quality.?
In the entire technological process of production of Q450NQR1 weathering steel, the smooth process of operation area belongs to for the crucial ring of lower process feed
Section, since rolling thin gauge Q450NQR1 weathering steel is it some times happens that interior loose ring, in skin pass mill group production, wiping easy to form
The mass defects such as scar, roll marks cause largely to cut damage waste, while seriously affecting the performance of unit efficiency, and then finally influence
The finished product rate of contract fulfilled with this steel grade.Scar defect is wiped to mention as this steel grade of long-standing problem product quality with efficiency
The critical problem risen.
Summary of the invention
The present invention is intended to provide a kind of tightly roll up operating method for smooth Q450NQR1 weathering steel, avoid to be formed wipe scar,
The mass defects such as roll marks, have given full play to unit efficiency, to realize that stablizing for wiping scar defect is controlled to the maximum extent, improve and produce
Quality and unit operation rate.
The present invention is to ensure in actual job not because of the derailing of Coil transport trolley caused by the difference of personal operation level, cause
The generation of accident, motor-driven operation area turn the hydraulic flow of uncoiler control reel harmomegathus down, and when utilization unit maintenance
Between " V " font fixed saddle original in Coil transport trolley is transformed into present " idler wheel " form, greatly facilitate and tightly roll up
Operation, is effectively protected the safety of equipment operation, to solve the wiping scar defect of the weather-proof coil of strip of Q450NQR1 and improving operation effect
Rate provides reliable ensure.
The present invention provides one kind tightly to roll up operating method, including the following contents for smooth Q450NQR1 weathering steel:
(1) it when skin pass mill group post operation personnel have found the coil of strip of loose ring in supplied materials, do not rotated in preraratory station, cut off, kept away
Exempt to aggravate inner ring loose phenomenon when coil of strip rotation.
(2) automatic cycle mode is used when rolling up on unit, is entered before reel to coil of strip and is intervened uncoiler manually and revolve counterclockwise
Turn, it is ensured that coil of strip can smoothly enter into reel；
Above-mentioned automatic cycle mode refers to: automatic cycle mode is to roll up operation mode, i.e. automatic mode on a kind of unwinding machine,
In such a mode, operative employee only needs by next control button, and Coil transport trolley, uncoiler will consistently execute a series of
Upper scrolling is made: 1. Coil transport trolley is traversing runs to below coil of strip --- and 2. trolley saddle, which is promoted, holds up coil of strip, automatic height adjustment
Make inner ring of steel coil rolled eye be aligned reel of uncoiler --- 3. uncoiler lateral support arm open --- 4. Coil transport trolley to uncoiler
It is traversing to cover coil of strip on reel of uncoiler, and adjust automatically lateral position makes coil of strip be directed at rolling centerline --- 5. uncoiling pressure
Roller compresses downwards coil of strip outer ring, and --- 6. uncoiler lateral support closure arm props up reel --- 7. reel of uncoiler expands ---
8. Coil transport trolley saddle is lowered away from coil of strip.It is above to roll up operation mode, in a manual mode, each of the above manually that it is corresponding
Movement requires operative employee and operates corresponding equipment control button or handle to complete；
After coil of strip can smoothly enter into reel, stops rotating and be changed to manual mode and (stop rotating and refer to stopping " hand mentioned above
Dynamic reel of uncoiler of intervening rotates counterclockwise ", automatic cycle mode is cut off while stopping rotating, i.e. termination automatic coiling follows
Ring)；It is whether suitable in the center of reel and Coil transport trolley height to estimate coil of strip, (adjusts after adjusting and refers to coil of strip
The physics center of circle of inner ring rolled eye guarantees to be overlapped with the reel of uncoiler section center of circle, i.e., coil of strip Internal and external cycle and reel cross section are theory
On concentric circles), uncoiler lateral support closure arm props up reel；It reaffirms coil of strip height centering, guarantees coil of strip and reel
Absolutely with one heart, Coil transport trolley lifting position；
(3) after the completion of operation early period, start " reel expansion " button, while rotating drum counterclockwise manually, reel is made to be in side
Interior loose ring is turned tight, eliminates coil of strip interlayer spacings by the state of beading rotation；Operative employee estimates the tight situation that turns of coil of strip, and coil of strip turns
Next timely stopping uncoiler rotation, falls Coil transport trolley, carries out normal threading operation later；
(4) threading is to carry out tight volume processing in uncoiler using manual mode, opens vehicle tension no more than 1.1kg/mm2, smooth mistake
Speed steps up in journey, and maximum speed is controlled in 120m/min or less.
In aforesaid operations method, it is solid that " V " font fixed saddle original in Coil transport trolley is transformed into present idler wheel shape
Determine saddle.
In aforesaid operations method, threading is completed, and has just opened vehicle production, is pressed when building button, the entrance tension of uncoiler
Control is in 0.8~1.1kg/mm2.When starting to open vehicle production, first have to establish uncoiler and planisher, planisher and coiling machine it
Between strip tension mode, tension foundation is realized by the speed difference between uncoiler, planisher, coiling machine, is built and to be controlled
System is to be carried out by two on master operation platform with button, and size can pass through two current potentials on master operation platform
Meter knob is adjusted, and is pressed when building button, the tension of uncoiler must adjust in a certain range.
In aforesaid operations method, boosting velocity procedure uses staged raising speed mode after playing vehicle, and maximum speed is controlled in 120m/
Min is hereinafter, allow coil of strip to achieve the purpose that dynamic gradually tightly wraps on unit.
Further, staged raising speed mode refers to successively passs according to 15m/min, 30m/min, 80m/min, 100m/min
The raising speed mode of increasing.
Beneficial effects of the present invention:
The present invention tightly rolls up operating process mainly around Taiyuan Iron and Steel Co. 2250mm skin pass mill group weathering steel and innovates, and not only improves
The wiping scar defect of the weather-proof coil of strip of Q450NQR1, and prevented the wiping that interior loose winding is be easy to cause after other thin gauge carbon steels roll
Scar makes the carbon steel quality of skin pass mill group and yield step on a new stage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of idler wheel shape fixed saddle.
In figure: 1 is coil of strip, and 2 be idler wheel, and 3 be saddle.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following embodiment.
Embodiment 1:
One kind tightly rolling up operating method, including the following contents for smooth Q450NQR1 weathering steel:
(1) it when skin pass mill group post operation personnel have found the coil of strip of loose ring in supplied materials, do not rotated in preraratory station, cut off, kept away
Exempt to aggravate inner ring loose phenomenon when coil of strip rotation.
(2) automatic cycle mode is used when rolling up on unit, is entered before reel to coil of strip and is intervened uncoiler manually and revolve counterclockwise
Turn, it is ensured that coil of strip can smoothly enter into reel；
Above-mentioned automatic cycle mode refers to: automatic cycle mode is to roll up operation mode, i.e. automatic mode on a kind of unwinding machine,
In such a mode, operative employee only needs by next control button, and Coil transport trolley, uncoiler will consistently execute a series of
Upper scrolling is made: 1. Coil transport trolley is traversing runs to below coil of strip --- and 2. trolley saddle, which is promoted, holds up coil of strip, automatic height adjustment
Make inner ring of steel coil rolled eye be aligned reel of uncoiler --- 3. uncoiler lateral support arm open --- 4. Coil transport trolley to uncoiler
It is traversing to cover coil of strip on reel of uncoiler, and adjust automatically lateral position makes coil of strip be directed at rolling centerline --- 5. uncoiling pressure
Roller compresses downwards coil of strip outer ring, and --- 6. uncoiler lateral support closure arm props up reel --- 7. reel of uncoiler expands ---
8. Coil transport trolley saddle is lowered away from coil of strip.It is above to roll up operation mode, in a manual mode, each of the above manually that it is corresponding
Movement requires operative employee and operates corresponding equipment control button or handle to complete；
After coil of strip can smoothly enter into reel, stops rotating and be changed to manual mode and (stop rotating and refer to stopping " hand mentioned above
Dynamic reel of uncoiler of intervening rotates counterclockwise ", automatic cycle mode is cut off while stopping rotating, i.e. termination automatic coiling follows
Ring (automatic coiling circulation and not running at this time finishes: only having run to the and has 4. walked))；Coil of strip is estimated in the center of reel
And whether Coil transport trolley height is suitable, (adjusts the physics center of circle for referring to inner ring of steel coil rolled eye after adjusting and uncoiler is rolled up
The cylinder section center of circle guarantees to be overlapped, i.e., coil of strip Internal and external cycle and reel cross section are theoretic concentric circles), uncoiler lateral support arm
Reel is propped up in closing；It reaffirms coil of strip height centering, guarantees that coil of strip and reel are absolutely concentric, Coil transport trolley lifting position；
(3) after the completion of operation early period, start " reel expansion " button, while rotating drum counterclockwise manually, reel is made to be in side
Interior loose ring is turned tight, eliminates coil of strip interlayer spacings by the state of beading rotation；Operative employee estimates the tight situation that turns of coil of strip, and coil of strip turns
Next timely stopping uncoiler rotation, falls Coil transport trolley, carries out normal threading operation later；
(4) threading is to carry out tight volume processing in uncoiler using manual mode, and threading is completed, and vehicle production has just been opened, and presses to build and open
When button, the entrance tension force of uncoiler is in 0.8~1.1kg/mm2。
When starting to open vehicle production, first have to establish uncoiler and planisher, the strip tension between planisher and coiling machine
Mode, tension foundation is realized by the speed difference between uncoiler, planisher, coiling machine, and building control is to pass through master control
Two on station carry out with button, and size can be adjusted by two potentiometer knobs on master operation platform
It is whole, it presses when building button, the tension of uncoiler must adjust in a certain range.
Speed steps up in formation process, and maximum speed is controlled in 120m/min or less.Raising speed mode refer to according to
15m/min, 30m/min, 80m/min, 100m/min are incremented by successively, until reaching maximum speed 120m/min, allow coil of strip in unit
On achieve the purpose that dynamic gradually tightly wrap.
In aforesaid operations method, it is solid that " V " font fixed saddle original in Coil transport trolley is transformed into present idler wheel shape
Determine saddle.
As shown in Figure 1, improved idler wheel saddle, bottom support section is two idler wheels 2, and coil of strip 1 is contacted with idler wheel 2,
The operation tightly rolled up is greatly facilitated, the safety of equipment operation is effectively protected, for the wiping for solving the weather-proof coil of strip of Q450NQR1
Scar defect and raising operating efficiency provide reliable ensure.
The present invention is by achieving good effect, not only shutting out after Taiyuan Iron and Steel Co. 2250mm skin pass mill group Fourth Shift tries out
Weathering steel wipes scar defect absolutely, improves weathering steel lumber recovery, and the production capacity of unit is made to reach maximizations, for company
Q450NQR1 weathering steel contract is fulfilled as scheduled to contribute.
Implement the comparison of front and back by the operating method, wiping scar defect realization is stablized controlled.
Claims (5)
1. one kind tightly rolls up operating method for smooth Q450NQR1 weathering steel, it is characterised in that: including the following contents:
(1) it when skin pass mill group post operation personnel have found the coil of strip of loose ring in supplied materials, do not rotated in preraratory station, cut off, kept away
Exempt to aggravate inner ring loose phenomenon when coil of strip rotation；
(2) automatic cycle mode is used when rolling up on unit, is entered before reel to coil of strip and is intervened reel of uncoiler manually and revolve counterclockwise
Turn, it is ensured that coil of strip can smoothly enter into reel；After coil of strip can smoothly enter into reel, stops rotating and be changed to manual mode；Estimate coil of strip
It is whether suitable in the center of reel and Coil transport trolley height, the collateral support of reel is closed after adjusting；Reaffirm coil of strip
Height centering guarantees that coil of strip and reel are absolutely concentric, Coil transport trolley lifting position；
(3) after the completion of operation early period, start " reel expansion " button, while rotating drum counterclockwise manually, reel is made to be in side
Interior loose ring is turned tight, eliminates coil of strip interlayer spacings by the state of beading rotation；Operative employee estimates the tight situation that turns of coil of strip, and coil of strip turns
Next timely stopping uncoiler rotation, falls Coil transport trolley, carries out normal threading operation later；
(4) threading is to carry out tight volume processing in uncoiler using manual mode, opens vehicle tension no more than 1.1kg/mm2, formation process
Middle speed steps up, and maximum speed is controlled in 120m/min or less.
2. according to claim 1 tightly roll up operating method for smooth Q450NQR1 weathering steel, it is characterised in that: roll up fortune
Original " V " font fixed saddle is transformed into present idler wheel shape fixed saddle on trolley.
3. according to claim 1 tightly roll up operating method for smooth Q450NQR1 weathering steel, it is characterised in that: threading is complete
At just having opened vehicle production, pressed when building button, the entrance tension force of uncoiler is in 0.8~1.1kg/mm2。
4. according to claim 1 tightly roll up operating method for smooth Q450NQR1 weathering steel, it is characterised in that: after playing vehicle
Boosting velocity procedure uses staged raising speed mode, and maximum speed control is in 120m/min hereinafter, coil of strip is allowed to reach dynamic on unit
The purpose gradually tightly wrapped.
5. according to claim 4 tightly roll up operating method for smooth Q450NQR1 weathering steel, it is characterised in that: staged
Raising speed mode refers to the raising speed mode incremented by successively according to 15m/min, 30m/min, 80m/min, 100m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431611.6A CN109647933A (en) | 2018-11-28 | 2018-11-28 | One kind tightly rolling up operating method for smooth Q450NQR1 weathering steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431611.6A CN109647933A (en) | 2018-11-28 | 2018-11-28 | One kind tightly rolling up operating method for smooth Q450NQR1 weathering steel |
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| Publication Number | Publication Date |
|---|---|
| CN109647933A true CN109647933A (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811431611.6A Pending CN109647933A (en) | 2018-11-28 | 2018-11-28 | One kind tightly rolling up operating method for smooth Q450NQR1 weathering steel |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644486A (en) * | 2020-04-27 | 2020-09-11 | 邯郸钢铁集团有限责任公司 | Method for preventing strip steel from being uncoiled and coiled in tower shape |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1105231B1 (en) * | 1999-05-21 | 2003-11-19 | MAUSER-WERKE GmbH & Co. KG | Rolling machine |
| CN200977533Y (en) * | 2006-12-08 | 2007-11-21 | 广州珠江钢铁有限责任公司 | Improved hot-rolling thin strip steel leveling device |
| CN102179424A (en) * | 2011-03-03 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Flattening production process of stainless steel |
| CN102688886A (en) * | 2012-05-25 | 2012-09-26 | 山西太钢不锈钢股份有限公司 | Method for leveling Cr stainless steel |
| CN102806250A (en) * | 2012-08-02 | 2012-12-05 | 山西太钢不锈钢股份有限公司 | Method for flatting stainless steel strips |
| CN202754588U (en) * | 2012-08-24 | 2013-02-27 | 山西太钢不锈钢股份有限公司 | Winding-up machine for hot rolled steel |
| CN103639237A (en) * | 2013-11-15 | 2014-03-19 | 四川银河钢结构工程有限公司 | Automatic clamping and decoiling equipment for coiled plate |
| CN204486477U (en) * | 2014-12-12 | 2015-07-22 | 永兴特种不锈钢股份有限公司 | A kind of three-high mill delivery guide structure |
| CN205816453U (en) * | 2016-07-29 | 2016-12-21 | 安徽政平金属科技股份有限公司 | A kind of cold rolling roll bending unreeling machine |
| CN206382445U (en) * | 2016-12-08 | 2017-08-08 | 芜湖市夯福机械模具有限公司 | A kind of coiled strip pretreatment unit |
-
2018
- 2018-11-28 CN CN201811431611.6A patent/CN109647933A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1105231B1 (en) * | 1999-05-21 | 2003-11-19 | MAUSER-WERKE GmbH & Co. KG | Rolling machine |
| CN200977533Y (en) * | 2006-12-08 | 2007-11-21 | 广州珠江钢铁有限责任公司 | Improved hot-rolling thin strip steel leveling device |
| CN102179424A (en) * | 2011-03-03 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Flattening production process of stainless steel |
| CN102688886A (en) * | 2012-05-25 | 2012-09-26 | 山西太钢不锈钢股份有限公司 | Method for leveling Cr stainless steel |
| CN102806250A (en) * | 2012-08-02 | 2012-12-05 | 山西太钢不锈钢股份有限公司 | Method for flatting stainless steel strips |
| CN202754588U (en) * | 2012-08-24 | 2013-02-27 | 山西太钢不锈钢股份有限公司 | Winding-up machine for hot rolled steel |
| CN103639237A (en) * | 2013-11-15 | 2014-03-19 | 四川银河钢结构工程有限公司 | Automatic clamping and decoiling equipment for coiled plate |
| CN204486477U (en) * | 2014-12-12 | 2015-07-22 | 永兴特种不锈钢股份有限公司 | A kind of three-high mill delivery guide structure |
| CN205816453U (en) * | 2016-07-29 | 2016-12-21 | 安徽政平金属科技股份有限公司 | A kind of cold rolling roll bending unreeling machine |
| CN206382445U (en) * | 2016-12-08 | 2017-08-08 | 芜湖市夯福机械模具有限公司 | A kind of coiled strip pretreatment unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644486A (en) * | 2020-04-27 | 2020-09-11 | 邯郸钢铁集团有限责任公司 | Method for preventing strip steel from being uncoiled and coiled in tower shape |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
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