CN115213751A - Method for eliminating sand marks on surface of working roll for stainless steel cold rolling - Google Patents
Method for eliminating sand marks on surface of working roll for stainless steel cold rolling Download PDFInfo
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- CN115213751A CN115213751A CN202110410136.XA CN202110410136A CN115213751A CN 115213751 A CN115213751 A CN 115213751A CN 202110410136 A CN202110410136 A CN 202110410136A CN 115213751 A CN115213751 A CN 115213751A
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- working roll
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- 238000000034 method Methods 0.000 title claims abstract description 76
- 239000004576 sand Substances 0.000 title claims abstract description 65
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 11
- 239000010935 stainless steel Substances 0.000 title claims abstract description 11
- 238000005097 cold rolling Methods 0.000 title claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 65
- 239000002173 cutting fluid Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000005498 polishing Methods 0.000 claims description 9
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000003908 quality control method Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 4
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 15
- 235000019580 granularity Nutrition 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
- B24B5/167—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged for rolls with large curvature radius, e.g. mill rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
- B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the field of stainless steel cold rolling. A method for eliminating sand marks on the surface of a working roll for stainless steel cold rolling comprises the following steps: firstly, performing a previous process on a working roll; secondly, performing post-processing on the working roll; step three, guaranteeing a grinding wheel process; fourthly, ensuring a cutting fluid filtering system; the invention eliminates the sand drop marks on the surface of the working roll and the sand drop marks on the surface of the product. The surface quality of conventional products is improved, the quality of high-grade products such as BA plates and the like is reduced due to sand falling and printing, and the market public praise is obviously improved.
Description
Technical Field
The invention relates to the field of stainless steel cold rolling.
Background
In the stainless steel cold rolling mill process, the surface quality of the work rolls determines the surface quality of the stainless steel product.
In the past, the surface has obvious sand shakeout after grinding by a roller, the surface of a product can be printed after rolling, and particularly, high-end products such as BA plates and the like can not meet the requirements of users on the surface quality of the product, so that market complaints exist.
According to the invention, the forming reason of the sand drop marks on the surface of the working roll is researched, the grinding process is perfected, the optimized cutting fluid filtering system is improved, the cleanliness of the cutting fluid is increased, the sand drop marks on the surface of the working roll are eliminated, and the quality of the Tai steel product is improved.
Disclosure of Invention
The invention aims to solve the problems and provides a method for eliminating the sand drop marks on the surface of a working roll for stainless steel cold rolling.
The purpose of the invention is realized as follows: a method for eliminating sand marks on the surface of a working roll for stainless steel cold rolling comprises the following steps:
the first step, the working roll is subjected to the previous process: selecting a grinding wheel with large granularity to perform coarse grinding on the working roller; (1) the technological requirements of the grinding wheel are as follows: in the rough grinding stage, the grinding efficiency is emphasized, and the size of the grinding wheel is selected to meet the requirements of efficiency and quality control of the roller surface in the subsequent process; (2) cutting fluid conditions: larger sand grains are generated in the coarse grinding stage, a filtering system ensures 100% filtering of the sand grains, and after the cutting fluid is cleaned, the roller surface shakeout marks caused by the sand carried by the cutting fluid to the subsequent working procedure are completely eliminated.
And step two, carrying out post-process on the working roll: selecting a grinding wheel with small granularity to perform semi-fine grinding, fine grinding and polishing on the working roller; (1) the technological requirements of the grinding wheel are as follows: the quality of the roll surface of the finished product roll is considered in the grinding of the subsequent process, and the grinding wheel has certain grinding capacity while meeting the technical quality standard of the process in order to ensure the accurate grinding and polishing stages, so that the falling sand mark left by the large sand grinding wheel in the coarse grinding process can be eliminated; (2) cutting fluid conditions: in the fine grinding and polishing stages, a filtering system ensures that the 100% filtering of sand grains can be realized, and after the cutting fluid is cleaned, the sand falling marks on the roller surface of the finished roller, which are caused by the sand carried by the cutting fluid, can be completely eliminated.
Step three, guaranteeing the grinding wheel process: selecting grinding wheels to be matched in the front and rear procedures; the selection of the grinding wheel in the former process is 150# -240#, and the selection of the grinding wheel in the later process is 600# -800#.
Fourthly, ensuring a cutting fluid filtering system: filtration system guarantees to realize that sand grain 100% filters, and the cutting fluid is clean back to eliminate the shakeout seal, the cutting fluid carries out coarse filtration through magnetism filter equipment earlier, then carries out half smart filtration through flat bed paper filter equipment, then in collecting the water tank with the cutting fluid, sends the cutting fluid to smart filter equipment through the water pump and carries out the smart filtration.
Furthermore, the filtration system is upgraded and optimized, a fine filtration device is added at the cutting fluid outlet at the tail end of the grinding machine filtration system, the fine filtration device comprises a water inlet valve, a precision filter, a bypass valve, a water outlet valve and a check valve, the precision filter is a sealed filtration tank with a cover arranged above, the filter element is arranged in the sealed filter tank, the water inlet pipe is arranged above one side of the sealed filter tank, the water inlet valve is arranged on the water inlet pipe, the water outlet pipe is arranged at the bottom of the sealed filter tank, the water outlet pipe is sequentially provided with the water outlet valve and the check valve from top to bottom, the water inlet pipe is connected with the water outlet pipe through the pipeline, and the bypass valve is arranged on the pipeline.
The beneficial effects of the invention are: the invention eliminates the sand drop marks on the surface of the working roller and the sand drop marks on the surface of the product. The surface quality of conventional products is improved, the quality of high-grade products such as BA plates and the like is reduced due to sand falling and printing, and the market public praise is obviously improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of a grinding structure of a work roll of the present invention.
FIG. 2 is a schematic view of the structure of the magnetic filter device of the present invention.
FIG. 3 is a schematic view of the construction of the flat bed paper filter apparatus of the present invention.
FIG. 4 is a schematic view of the fine filtering apparatus of the present invention.
Figure 5 is a flow chart of the grinding (grinding wheel) process of the present invention.
FIG. 6 is a process flow diagram of the cutting fluid filtration system of the present invention.
FIG. 7 is a process flow diagram of the present invention after upgrading the cutting fluid filtration system.
Wherein: 1. the automatic grinding machine comprises a headstock, a carriage 2, a working roller 3, a grinding wheel 4, a support tile 5, a bed tail box 6, a water inlet 7, a rubber roller 8, a magnetic roller 9, a chip guide plate 10, a slag collecting box 11, a guide plate 12, a water outlet 13, a water inlet valve 14, a bypass valve 15, a precision filter 16, a water outlet valve 17 and a check valve 18.
Detailed Description
According to the invention, the forming reason of the sand drop marks on the surface of the working roll is researched, the grinding process is perfected, the optimized cutting fluid filtering system is improved, the cleanliness of the cutting fluid is increased, the sand drop marks on the surface of the working roll are eliminated, and the quality of the Tai steel product is improved.
Technical scheme
As shown in fig. 1, in the grinding of the work roll, the grinding wheel performs grinding, and the cutting fluid performs cooling, lubrication, and cleaning. By analyzing the cause of the sand drop marks on the surface of the working roll, technical measures are taken pertinently.
When the grinding wheel is used for grinding, the sharpness of the granularity of the grinding wheel is ensured through continuous sand removal, and the grinding wheel has continuous cutting capability. In the grinding process of the roller, a grinding wheel with larger granularity is selected when the front process needs to realize high-efficiency grinding for eliminating the fatigue layer, and a grinding wheel with smaller granularity is selected when the rear process needs to ensure the quality of the roller surface, especially for high-quality rollers such as polishing rollers and leveling rollers.
The research shows that if the roller surface still has obvious sand drop marks after the finished product process such as the polishing process, the sand drop marks are not necessarily formed in the process, and the sand drop marks left by the large-grain grinding wheel in the previous process are not eliminated or the cutting fluid is not clean.
1. The shakeout mark caused by the grinding (grinding wheel) process problem is eliminated;
grinding (grinding wheel) process flow (as shown in figure 5): if the sand drop marks of the large-grain grinding wheel in the previous process cannot be eliminated after finished product processes such as a polishing process and the like, the fact that the selection span of the grain size of the grinding wheel in the coarse grinding process and the fine grinding process is too large requires to improve the grinding process again means that the grinding wheel in the fine grinding process has certain grinding capacity while meeting the technical quality standard of the process, and the sand drop marks left by the large-grain grinding wheel in the coarse grinding process can be eliminated completely.
Production of high grade BA boards uses M2 burnishing rolls and users consistently complain of heavy surface sanding marks. Before, the 240# grinding wheel is used in the rough grinding process, the 1000# grinding wheel is used in the fine grinding process, and on-site tracking research shows that the 1000# grinding wheel has good polishing effect and insufficient grinding capacity, so that the sand falling marks left by the 240# grinding wheel in the rough grinding process cannot be completely eliminated. And then, the grinding wheel in the finish grinding process is adjusted to be the 600# grinding wheel, new grinding parameters are matched, the grinding quality of the surface of a finished roll on site is tracked, and the sand drop marks on the surface of the roll are greatly reduced, so that the 600# grinding wheel in the finish grinding process has certain grinding capacity while meeting the technical quality standard of the process, and the sand drop marks left by the 240# large sand grinding wheel in the rough grinding process can be completely eliminated.
Grinding process research and grinding wheel selection are critical in eliminating and controlling roll face shakeout marks.
2. A cutting fluid filtering system is improved and optimized, and the cleanness is improved to eliminate the sand drop marks;
the grinding wheel grinds the roller, and the cutting fluid is a grinding process medium and plays roles in cooling, lubricating and cleaning. The cutting fluid is stored, purified and conveyed to be an independent system called as a cutting fluid filtering system, so that the cutting fluid is recycled.
On-site research finds that the cutting fluid is not clean enough and carries sand grains, so that a sand drop mark is formed on the roller surface, particularly, most grinding machines use grinding wheels with different granularities in different grinding procedures, the cutting fluid contains large-granularity sand grains, and the damage to the roller surface is great in the finished product procedure. The cleaning property of the cutting fluid is particularly important for controlling the sand drop printing of the roller surface.
The grinding machine cutting fluid filtration system is the open two-stage filtration before: magnetic filtration and flat bed paper filtration, wherein a large amount of mill mud is removed by magnetic filtration rough filtration, and the discharged water flows back to a water tank below the paper filtration for recycling.
Cutting fluid filtering system process flow (as fig. 6): considering that the filtering system is simple, the filtering effect is general, thick mill mud is deposited at the bottom of the water tank, and particularly, the cleanness of the cutting fluid cannot be guaranteed under abnormal conditions such as overflow.
For promoting the cutting fluid cleanliness factor, and then control roll surface sand drop seal, carried out upgrading transformation to grinding machine filtration system, increased the smart jar of crossing before the cutting fluid delivery port, upgrade and be tertiary filtration: magnetic filtration, flat bed paper filtration and fine filtration.
Cutting fluid filtration system after upgrading schematic (as in figure 7):
the technical requirements of the fine filtering tank are as follows:
and (3) filtering precision: 5-10um (matching twenty rolling mill rolling oil filtration precision).
An in-out mode: high in and low out.
Pressure: 0.2 MPa-0.4 MPa.
Water yield: 5 (t/h).
The pipeline connection must have the bypass, is convenient for filter core change and filter tank maintenance.
After the cutting fluid filtering system is upgraded, the open type is changed into the closed type, the 100% filtering of sand grains can be realized, the cleaning performance of the cutting fluid is optimal, and the roller surface sand falling marks caused by the sand carried by the cutting fluid are completely eliminated.
The self sand drop influence of finished product processes such as a polishing process and the like: the grinding wheel in the process has small granularity, the roller surface sand falling marks formed by self-desanding are small and sporadic, and the self-sand falling marks have no influence and can be ignored under the conditions of meeting the roller surface roughness, brightness and other technical parameters. The shakeout mark of the large-granularity grinding wheel left on the roller surface in the previous process is eliminated by adjusting and optimizing a grinding process; the shakeout seal formed by the cutting fluid with sand is removed by upgrading and transforming the filtering system and improving the cleanness of the cutting fluid.
Examples
1. The narrow width zone M2 burnishing roll is used to roll high grade BA sheet, with more degradation before and market complaints. The prior grinding process comprises the following steps: 240# to 1000# grinding wheels, and the grinding capacity of the 1000# grinding wheel is not enough to cover the sand drop marks generated by the 240# grinding wheel according to the analysis data. The existing grinding process comprises the following steps: the sand falling print of the roller surface of the 240# to 600# grinding wheel is obviously improved.
2. After the filtering system of the M2 polishing roller grinding machine in the narrow area is upgraded and modified, the roller surface shakeout marks are thoroughly eliminated, and the quality of high-end products such as BA plates is obviously reduced due to the shakeout marks. The method is popularized, all the working rolls and the filtering systems of the leveling roller mill are upgraded and modified, the rolls for the rolling mill, the cold line and the quality inspection feedback are good, and the surface quality of the product is obviously improved.
According to the invention, through upgrading and transforming of the grinding machine filtering system, the control of the roll face sand drop printing on the cleanness of the cutting fluid is improved, the cutting fluid filtering system is innovatively upgraded from open two-stage filtering to closed three-stage filtering, and the 100% cleanness of the cutting fluid is realized.
According to the invention, the formation reason of the sand drop marks on the surface of the working roll is researched, the grinding process is perfected, the cutting fluid filtering system is upgraded and modified to increase the cleanliness of the cutting fluid, the sand drop marks on the surface of the working roll are thoroughly eliminated, the surface quality of the Tai steel product is improved, and the market competitiveness is enhanced.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (2)
1. A method for eliminating the sand drop marks on the surface of a working roll for stainless steel cold rolling is characterized by comprising the following steps: the method comprises the following steps:
the first step, the working roll is subjected to the previous process: selecting a grinding wheel with large granularity to carry out coarse grinding on the working roller;
the process requirements of the grinding wheel are as follows: in the rough grinding stage, the grinding efficiency is emphasized, and the size of the grinding wheel is selected to meet the requirements of efficiency and quality control of the roller surface in the subsequent process;
cutting fluid conditions: larger sand grains are generated in the coarse grinding stage, a filtering system ensures that the sand grains are filtered by 100%, and after the cutting fluid is clean, the roller surface shakeout marks caused by the sand carried by the cutting fluid to the subsequent process are completely eliminated;
and step two, carrying out post-process on the working roll: selecting a grinding wheel with small granularity to perform semi-fine grinding, fine grinding and polishing on the working roller;
the process requirements of the grinding wheel are as follows: the quality of the roll surface of the finished product roll is considered in the grinding of the subsequent process, and the grinding wheel has certain grinding capacity while meeting the technical quality standard of the process in order to ensure the accurate grinding and polishing stages, so that the falling sand mark left by the large sand grinding wheel in the coarse grinding process can be eliminated;
cutting fluid conditions: in the fine grinding and polishing stages, a filtering system ensures that 100 percent of sand grains can be filtered, and after the cutting fluid is cleaned, the sand falling marks on the roller surface of the finished roller, which are caused by the sand carried by the cutting fluid, can be completely eliminated;
thirdly, guaranteeing the grinding wheel process: selecting grinding wheels to be matched in the front and rear procedures; selecting a grinding wheel in a front process from 150# -240#, and selecting a grinding wheel in a rear process from 600# -800#;
fourthly, ensuring a cutting fluid filtering system: the filtration system guarantees to realize that sand grain 100% filters, and the cutting fluid is clean after to eliminate the shakeout seal, the cutting fluid carries out coarse filtration through magnetism filter equipment earlier, then carries out half smart filtration through flat bed paper filter equipment, then in collecting the water tank with the cutting fluid, sends the cutting fluid to smart filter equipment through the water pump and carries out the smart filtration.
2. The method for eliminating the sand drop marks on the surface of the working roll for the stainless steel cold rolling according to claim 1, wherein the method comprises the following steps: the grinding machine filtering system is upgraded and optimized, a fine filtering device is added at a cutting fluid outlet at the tail end of the grinding machine filtering system and comprises a water inlet valve, a fine filter, a bypass valve, a water outlet valve and a check valve, the fine filter is a sealed filtering tank with a cover arranged above, a filter element is arranged in the sealed filtering tank, a water inlet pipe is arranged above one side of the sealed filtering tank, the water inlet valve is arranged on the water inlet pipe, a water outlet pipe is arranged at the bottom of the sealed filtering tank, the water outlet pipe is sequentially provided with the water outlet valve and the check valve from top to bottom, the water inlet pipe is connected with the water outlet pipe through a pipeline, and the bypass valve is arranged on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410136.XA CN115213751A (en) | 2021-04-16 | 2021-04-16 | Method for eliminating sand marks on surface of working roll for stainless steel cold rolling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410136.XA CN115213751A (en) | 2021-04-16 | 2021-04-16 | Method for eliminating sand marks on surface of working roll for stainless steel cold rolling |
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| CN115213751A true CN115213751A (en) | 2022-10-21 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001353640A (en) * | 2000-06-16 | 2001-12-25 | Koike Engineering & Service Kk | Filtering device having back washing function |
| CN202778084U (en) * | 2012-10-10 | 2013-03-13 | 北京精雕科技有限公司 | Third-level filtering system of cutting fluid |
| CN105196056A (en) * | 2014-06-17 | 2015-12-30 | 上海运城制版有限公司 | Numerical control lathing, rough grinding and fine grinding synchronous machine tool |
| CN105479896A (en) * | 2015-12-31 | 2016-04-13 | 浙江华正新材料股份有限公司 | Honeycomb plate, preparation method thereof and grinding machine for machining honeycomb plate |
| CN107775452A (en) * | 2016-08-31 | 2018-03-09 | 扬州锻压机床股份有限公司 | A kind of PRESS PLUNGER glossing |
| CN112207644A (en) * | 2020-08-31 | 2021-01-12 | 山西太钢不锈钢精密带钢有限公司 | Roller grinding method for reducing sand drop marks on surface of ultrathin stainless steel strip |
| CN112276698A (en) * | 2020-06-30 | 2021-01-29 | 武汉钢铁有限公司 | Grinding method for controlling short scratches on surface of cold roller |
-
2021
- 2021-04-16 CN CN202110410136.XA patent/CN115213751A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001353640A (en) * | 2000-06-16 | 2001-12-25 | Koike Engineering & Service Kk | Filtering device having back washing function |
| CN202778084U (en) * | 2012-10-10 | 2013-03-13 | 北京精雕科技有限公司 | Third-level filtering system of cutting fluid |
| CN105196056A (en) * | 2014-06-17 | 2015-12-30 | 上海运城制版有限公司 | Numerical control lathing, rough grinding and fine grinding synchronous machine tool |
| CN105479896A (en) * | 2015-12-31 | 2016-04-13 | 浙江华正新材料股份有限公司 | Honeycomb plate, preparation method thereof and grinding machine for machining honeycomb plate |
| CN107775452A (en) * | 2016-08-31 | 2018-03-09 | 扬州锻压机床股份有限公司 | A kind of PRESS PLUNGER glossing |
| CN112276698A (en) * | 2020-06-30 | 2021-01-29 | 武汉钢铁有限公司 | Grinding method for controlling short scratches on surface of cold roller |
| CN112207644A (en) * | 2020-08-31 | 2021-01-12 | 山西太钢不锈钢精密带钢有限公司 | Roller grinding method for reducing sand drop marks on surface of ultrathin stainless steel strip |
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