CN110434683A - The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation - Google Patents
The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation Download PDFInfo
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- CN110434683A CN110434683A CN201910704266.7A CN201910704266A CN110434683A CN 110434683 A CN110434683 A CN 110434683A CN 201910704266 A CN201910704266 A CN 201910704266A CN 110434683 A CN110434683 A CN 110434683A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- Mechanical Engineering (AREA)
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Abstract
The present invention relates to zinc-plated producing line technical fields, and in particular to a kind of method for grinding for eliminating the galvanizing surface twill that passivation applicator roll generates.Including (1) rough grinding process: head frame revolving speed: 120r/s-130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；120 mesh of grinding model of the corase grinding；Roughly grind 3.0-4.0 μm of roll surface roughness；(2) grinding process in: head frame revolving speed: 195r/s-205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；240 mesh of grinding model of the middle mill；Middle 2.0-2.5 μm of grinding roller surface roughness；(3) polished finiss technique: head frame revolving speed: 320r/s-330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；400 mesh of grinding model of the polished finiss；0.9-1.5 μm of roughness of the polished finiss roll surface.The present invention eliminates the twill defect of coating roller surface by selecting suitable abrasive grinding wheel, optimization grinding process；Postpone the replacement cycle of applicator roll.
Description
Technical field
The present invention relates to zinc-plated producing line technical fields, and in particular to a kind of galvanizing surface eliminating passivation and being generated with applicator roll
The method for grinding of twill.
Background technique
This zinc-plated producing line passivation is used applicator roll online 3 days or so, online use again after needing to be ground again using lathe.
Causing the twill of applicator roll roll surface to lack due to grinding process is not perfect, grinding wheel material selection is unreasonable, equipment precision is poor etc.
It falling into, this twill, which is imprinted on galvanized sheet, causes zinc-plated plate surface to generate twill, and cause the quality of galvanized sheet to change the original sentence to when defect is serious,
Applicator roll can only be replaced.Excessively frequently replacement applicator roll seriously affects rhythm of production, while cost being caused to waste.
Summary of the invention
For the above-mentioned deficiency of the prior art, it is oblique with coating roller surface that the present invention provides passivation in a kind of elimination zincincation
The method for grinding of line, the present invention is based on current grinding lathes to be disappeared by selecting suitable abrasive grinding wheel, optimization grinding process
Except the twill defect of coating roller surface；Postpone the replacement cycle of applicator roll to solve the above technical problems.
Technical solution of the present invention:
The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation, it is characterised in that: including following
It is ground step:
(1) rough grinding process:
Head frame revolving speed: 120r/s-130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 195r/s-205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 320r/s-330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
Preferably, the abrasive grinding wheel is green silicon carbide grinding wheel.
Preferably, the applicator roll is polyurethane material applicator roll.
Preferably, method for grinding includes following grinding step:
(1) rough grinding process:
Head frame revolving speed: 120r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 195r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 320r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
Preferably, method for grinding includes following grinding step:
(1) rough grinding process:
Head frame revolving speed: 125r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 200r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 325r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
Preferably, method for grinding includes following grinding step:
(1) rough grinding process:
Head frame revolving speed: 130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
Beneficial effects of the present invention
The present invention is based on current grinding lathes, by optimization technique using a kind of corase grinding, middle mill, the grinding side refined
Formula eliminates the twill defect of coating roller surface, reaches the applicator roll normal replacement cycle, reduce the replacement frequency of applicator roll, mention
High quality of galvanized products.The present invention eliminates the twill defect of coating roller surface by the grinding process of optimization applicator roll；Delay applies
Cover the replacement cycle of roller.
According to application roll replacement number extremely is reduced, the normal replacement cycle is about 7 days/time, but the replacement extremely of the practical moon (applies
Covering roller reason) number is 3-4 time, the replacement one-stop operation time needs 1 hour, and zinc-plated hour ton steel is about 100t/ hours, according to mesh
Preceding ton steel is got a profit 600 yuan/ton, comprehensive year benefit calculation:
Ten thousand yuan of 12*3*1*100*600=216.
In addition, design principle of the present invention is reliable, there is very extensive application prospect.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below to the embodiment of the present invention
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, should fall within the scope of the present invention.
Embodiment 1
The passivation method for grinding of applicator roll topographic diagonal, including following grinding step in a kind of elimination zincincation:
(1) rough grinding process: head frame revolving speed: 120r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；Corase grinding
It is ground 120 mesh of model；Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in: head frame revolving speed: 195r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；Middle mill
It is ground 240 mesh of model；Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique: head frame revolving speed: 320r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；It throws
400 mesh of grinding model of light fine grinding；0.9-1.5 μm of roughness of the polished finiss roll surface.
Abrasive grinding wheel is green silicon carbide grinding wheel.Applicator roll is polyurethane material applicator roll.
Embodiment 2
The passivation method for grinding of applicator roll topographic diagonal, including following grinding step in a kind of elimination zincincation:
(1) rough grinding process: head frame revolving speed: 125r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；Corase grinding
It is ground 120 mesh of model；Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in: head frame revolving speed: 200r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；Middle mill
It is ground 240 mesh of model；Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique: head frame revolving speed: 325r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；It throws
400 mesh of grinding model of light fine grinding；0.9-1.5 μm of roughness of polished finiss roll surface.
Abrasive grinding wheel is green silicon carbide grinding wheel.Applicator roll is polyurethane material applicator roll.
Embodiment 3
The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation, it is characterised in that: including following
It is ground step:
(1) rough grinding process: head frame revolving speed: 130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；Corase grinding
It is ground 120 mesh of model；Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in: head frame revolving speed: 205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；Middle mill
It is ground 240 mesh of model；Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique: head frame revolving speed: 330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；It throws
400 mesh of grinding model of light fine grinding；0.9-1.5 μm of roughness of polished finiss roll surface.
Abrasive grinding wheel is green silicon carbide grinding wheel.Applicator roll is polyurethane material applicator roll.
Embodiment 4
The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation, it is characterised in that: including following
It is ground step:
(1) rough grinding process: head frame revolving speed: 120r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；Corase grinding
It is ground 120 mesh of model；Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in: head frame revolving speed: 200r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；Middle mill
It is ground 240 mesh of model；Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique: head frame revolving speed: 330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；It throws
400 mesh of grinding model of light fine grinding；0.9-1.5 μm of roughness of polished finiss roll surface.
Abrasive grinding wheel is green silicon carbide grinding wheel.Applicator roll is polyurethane material applicator roll.
Embodiment 5
The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation, it is characterised in that: including following
It is ground step:
(1) rough grinding process: head frame revolving speed: 130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；Corase grinding
It is ground 120 mesh of model；Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in: head frame revolving speed: 200r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；Middle mill
It is ground 240 mesh of model；Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique: head frame revolving speed: 320r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；It throws
400 mesh of grinding model of light fine grinding；0.9-1.5 μm of roughness of polished finiss roll surface.
Abrasive grinding wheel is green silicon carbide grinding wheel.Applicator roll is polyurethane material applicator roll.
Although the present invention is not limited thereto to the present invention have been described in detail by way of preferred embodiment.In
Under the premise of not departing from spirit and substance of the present invention, those of ordinary skill in the art can carry out the embodiment of the present invention each
Kind equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/any be familiar with this technology neck
The technical staff in domain in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover of the invention
Within protection scope.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal, it is characterised in that: including following mill
Cut step:
(1) rough grinding process:
Head frame revolving speed: 120r/s-130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 195r/s-205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 320r/s-330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
2. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal according to claim 1,
Be characterized in that: the abrasive grinding wheel is green silicon carbide grinding wheel.
3. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal according to claim 1,
Be characterized in that: the applicator roll is polyurethane material applicator roll.
4. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal, it is characterised in that: including following mill
Cut step:
(1) rough grinding process:
Head frame revolving speed: 120r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 195r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 320r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
5. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal, it is characterised in that: including following mill
Cut step:
(1) rough grinding process:
Head frame revolving speed: 125r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 200r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 325r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
6. a kind of method for grinding eliminated passivation in zincincation and use applicator roll topographic diagonal, it is characterised in that: including following mill
Cut step:
(1) rough grinding process:
Head frame revolving speed: 130r/s；Traverse feed: 0.1mm；Movement speed: 400mm/min；
120 mesh of grinding model of the corase grinding；
Roughly grind 3.0-4.0 μm of roll surface roughness；
(2) grinding process in:
Head frame revolving speed: 205r/s；Traverse feed: 0.05mm；Movement speed: 160mm/min；
240 mesh of grinding model of the middle mill；
Middle 2.0-2.5 μm of grinding roller surface roughness；
(3) polished finiss technique:
Head frame revolving speed: 330r/s, traverse feed: 0.02mm；Movement speed: 80mm/min；
400 mesh of grinding model of the polished finiss；
0.9-1.5 μm of roughness of the polished finiss roll surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910704266.7A CN110434683A (en) | 2019-07-31 | 2019-07-31 | The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation |
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| CN201910704266.7A CN110434683A (en) | 2019-07-31 | 2019-07-31 | The passivation method for grinding of applicator roll topographic diagonal in a kind of elimination zincincation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761418A (en) * | 2020-05-20 | 2020-10-13 | 金川集团股份有限公司 | Cathode roller precision grinding and polishing method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267109A (en) * | 1995-03-30 | 1996-10-15 | Kawasaki Steel Corp | Method for grinding work roll for rolling and work roll for rolling |
| CN102489503A (en) * | 2012-01-04 | 2012-06-13 | 山东能源机械集团乾元不锈钢制造有限公司 | Production method for cold-rolled wire-drawing steel belt and production method for wire-drawing roller applied to production |
| CN103231289A (en) * | 2013-05-21 | 2013-08-07 | 唐山瑞丰钢铁（集团）有限公司 | Grinding method for controlling roughness of surfaces of different rollers |
| CN103551938A (en) * | 2013-11-18 | 2014-02-05 | 攀枝花钢城集团铁路设备修造有限公司 | Coping process of coating roller |
| CN104002204A (en) * | 2014-06-12 | 2014-08-27 | 广东嘉元科技股份有限公司 | Method for grinding cathode roller for production of very-low-profile copper foil through electrolytic copper foil |
| CN105215791A (en) * | 2014-06-27 | 2016-01-06 | 张红超 | Minute surface Roller Machining method and utilize the method for this minute surface Roller Machining minute surface aluminium sheet |
| CN105729260A (en) * | 2014-12-09 | 2016-07-06 | 重庆市金升机械配件制造有限公司 | Roller grinding process |
| CN108788941A (en) * | 2018-07-06 | 2018-11-13 | 攀钢集团西昌钢钒有限公司 | A kind of method for grinding of CVC rolls |
| CN109794810A (en) * | 2018-10-24 | 2019-05-24 | 首钢京唐钢铁联合有限责任公司 | A method of removal roller surface defect |
| CN110052900A (en) * | 2019-05-29 | 2019-07-26 | 北京首钢股份有限公司 | A kind of method for grinding improving the new roller initial stage roll surface roughness of breaking-down roll |
-
2019
- 2019-07-31 CN CN201910704266.7A patent/CN110434683A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267109A (en) * | 1995-03-30 | 1996-10-15 | Kawasaki Steel Corp | Method for grinding work roll for rolling and work roll for rolling |
| CN102489503A (en) * | 2012-01-04 | 2012-06-13 | 山东能源机械集团乾元不锈钢制造有限公司 | Production method for cold-rolled wire-drawing steel belt and production method for wire-drawing roller applied to production |
| CN103231289A (en) * | 2013-05-21 | 2013-08-07 | 唐山瑞丰钢铁（集团）有限公司 | Grinding method for controlling roughness of surfaces of different rollers |
| CN103551938A (en) * | 2013-11-18 | 2014-02-05 | 攀枝花钢城集团铁路设备修造有限公司 | Coping process of coating roller |
| CN104002204A (en) * | 2014-06-12 | 2014-08-27 | 广东嘉元科技股份有限公司 | Method for grinding cathode roller for production of very-low-profile copper foil through electrolytic copper foil |
| CN105215791A (en) * | 2014-06-27 | 2016-01-06 | 张红超 | Minute surface Roller Machining method and utilize the method for this minute surface Roller Machining minute surface aluminium sheet |
| CN105729260A (en) * | 2014-12-09 | 2016-07-06 | 重庆市金升机械配件制造有限公司 | Roller grinding process |
| CN108788941A (en) * | 2018-07-06 | 2018-11-13 | 攀钢集团西昌钢钒有限公司 | A kind of method for grinding of CVC rolls |
| CN109794810A (en) * | 2018-10-24 | 2019-05-24 | 首钢京唐钢铁联合有限责任公司 | A method of removal roller surface defect |
| CN110052900A (en) * | 2019-05-29 | 2019-07-26 | 北京首钢股份有限公司 | A kind of method for grinding improving the new roller initial stage roll surface roughness of breaking-down roll |
Non-Patent Citations (1)
| Title |
|---|
| 李绮屏等: "《彩色涂层钢板生产技术问答》", 31 May 2009, 北京：冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761418A (en) * | 2020-05-20 | 2020-10-13 | 金川集团股份有限公司 | Cathode roller precision grinding and polishing method |
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Application publication date: 20191112 |