CN102787466B - Manufacturing method of knurling roll for artificial leather - Google Patents
Manufacturing method of knurling roll for artificial leather Download PDFInfo
- Publication number
- CN102787466B CN102787466B CN201210301546.1A CN201210301546A CN102787466B CN 102787466 B CN102787466 B CN 102787466B CN 201210301546 A CN201210301546 A CN 201210301546A CN 102787466 B CN102787466 B CN 102787466B
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- coating
- metallic roll
- microns
- artificial leather
- laser
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- 239000002649 leather substitute Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 239000011248 coating agent Substances 0.000 claims abstract description 50
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 27
- 239000011651 chromium Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000012459 cleaning agent Substances 0.000 claims abstract description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 18
- 229920002554 vinyl polymer Polymers 0.000 claims description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- 229920006334 epoxy coating Polymers 0.000 claims description 15
- 238000002679 ablation Methods 0.000 claims description 12
- 238000000608 laser ablation Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 5
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 239000011527 polyurethane coating Substances 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 240000005561 Musa balbisiana Species 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 10
- 238000007747 plating Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229920001296 polysiloxane Polymers 0.000 description 10
- 229910001369 Brass Inorganic materials 0.000 description 9
- 239000010951 brass Substances 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 9
- 238000009713 electroplating Methods 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000010985 leather Substances 0.000 description 5
- 241000234295 Musa Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000007592 spray painting technique Methods 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- Application Of Or Painting With Fluid Materials (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a manufacturing method of a knurling roll for artificial leather. The manufacturing method comprises the following steps: (1) spraying resin paint on the surface of a metal roll to obtain the metal roll on which a resin coating is uniformly covered; (2) ablating the resin coating in a preset area by a laser to obtain the metal roller with an ablated grain pattern on the surface; (3) corroding the ablated area on the surface of the metal roll by corrosive liquid to obtain the metal roll with a corrosive grain pattern on the surface; (4) cleaning the resin coating in a non-preset area on the surface of the metal roll by a cleaning agent to obtain the metal roll with concave and convex figure patterns on the surface; and (5) plating a chromium coating on the metal roll with the concave and convex figure patterns on the surface to obtain the knurling roll for the artificial leather. The invention discloses the manufacturing method of the knurling roll for the artificial leather; the preparation process is simple; and the prepared figure patterns of the knurling roll are clear, can have different surface glossinesses, and can be stored for a long time.
Description
Technical field
The present invention relates to artificial leather processing and manufacturing field, be specifically related to a kind of manufacture method of used for artificial leather knurling rolls.
Background technology
Artificial leather is a class outward appearance, the alutaceous plastic products of feel, and can replace leather to use, and it take fabric conventionally as base, applies by synthetic resin, to add the mixing material that various plastic additives make and make.
Artificial leather is similar to natural leather, has softness, the feature such as wear-resisting.Different according to the kind of covering, have artificial polyvinyl chloride leather (PVC), polyurethane artificial leather (PU) etc., almost can replace in the occasion of any use leather, be used for making commodity and industrial goods, more common as for making clothes, footwear, case and bag.
Generally, artificial leather surface meeting printing pattern pattern, the floral designs on artificial leather surface are generally printed and are formed by knurling rolls.Artificial leather is heated to uniform temperature, then with knurling rolls, pushes artificial leather with certain pressure, thereby the floral designs on knurling rolls surface are printed to artificial leather surface, form the effect of emulational leather.
Conventional artificial leather knurling rolls have 3 kinds: steel knurling rolls, silica gel knurling rolls and nickel emboss roller, and these three kinds of knurling rolls all have defect separately:
(1) pattern on steel knurling rolls surface is coarse, cannot simulate the details such as pore, fold of corium, and gets rusty easily, is difficult to preserve.
(2) silica gel knurling rolls surfacing is silicon rubber, and silicon rubber is easily aging, thereby cause, knurling rolls service life is short, heat conductivility is poor; The surface gloss of silica gel knurling rolls can only be a kind of glossiness, cannot obtain various luster degree effect.
(3) nickel emboss roller is the most popular knurling rolls of current artificial leather industry, although comparing silica gel knurling rolls increases service life, but what fill due to nickel emboss roller internal layer is a large amount of cement, causes it under larger pressure working condition, and packed layer Fragmentation Phenomena very easily occurs; The surface gloss of nickel emboss roller can only be also a kind of glossiness, cannot obtain various luster degree effect; The manufacture craft of nickel emboss roller is very loaded down with trivial details.
Application number be 200780019533.2 disclosure of the invention a kind of nickel emboss roller and processing method thereof, processing method comprises the following steps: the silicone tube of preparing to be printed with pattern to be used; Iron core is inserted in silicone tube, then silicones is coated in silicone tube, in rotary iron core, solidify the silicone tube of coating; Separated embossing silicone tube, and iron core is inserted to embossing silicone tube inner side; Iron core assembly, to mould, and is filled to fill between the inwall of mould and the inner peripheral surface of silicone tube; After removing iron core, on the inner peripheral surface of silicone tube, carry out nickel plating; And separated mould, fill and silicone tube, thereby obtain the cylindrical nickel emboss roller of printing.
Summary of the invention
The manufacture method that the invention provides a kind of used for artificial leather knurling rolls, preparation technology is simple, and the knurling rolls floral designs that prepare are clear, can have different surface glosses, and can preserve for a long time.
A manufacture method for used for artificial leather knurling rolls, comprises the following steps:
(1) cold coating is sprayed to metallic roll surface, obtain the metallic roll of surface uniform covering resin coating;
(2) with the resinous coat of laser ablation presumptive area, obtain the metallic roll that there is ablation grain pattern on surface;
(3) with ablated region, corrosive liquid corroding metal roller surface, obtain surface with the metallic roll of corrosion grain pattern;
(4) with cleaning agent, wash away the resinous coat of metallic roll surface unintended areas, obtain surface with the metallic roll of ridge design pattern;
(5) surface with the metallic roll of ridge design pattern on chromium coating, obtain used for artificial leather knurling rolls.
With regard to cold coating, do not have itself strict restriction; but at least there is corrosion resistance; while avoiding ablated position, follow-up use corrosive liquid corroding metal roller surface; not ablated cold coating is also corroded; thereby cause floral designs fuzzy; even destroy floral designs, do not have the protection to metallic roll.
As preferably, described cold coating is at least one in epoxy coating, polyurethane coating, unsaturated-resin coating, vinyl coating.Described epoxy coating, polyurethane coating, unsaturated-resin coating, vinyl coating are commercial product, and source is easy to get.
As preferably, described resinous coat thickness is 2～50 microns.
Resinous coat is blocked up, is unfavorable for the ablation of follow-up laser, and the cleaning of cleaning agent; Resinous coat is excessively thin, follow-uply can not play a very good protection when corroding with corrosive liquid.
The presumptive area of being fallen by laser-induced thermal etching with corrosive liquid corrosion, forms recess on metallic roll surface, and the position of relatively protruding forms floral designs.
As preferably, described metallic roll surface roughness≤0.5 micron.
Described metallic roll can be hollow-core construction, can be steel rider, copper roller or copper alloy roller, the wall thickness of metallic roll be 10～50mm, guarantees that the knurling rolls that prepare have certain intensity, surface roughness≤0.5 micron, guarantees that the knurling rolls that prepare have suitable surface roughness.
As preferably, described laser is yag laser or carbon dioxide laser.
Described laser power is 5W～500W, and laser spot spot diameter is 5～100 microns, and laser spot spot diameter size has determined the fine degree of pattern, and laser spot spot diameter is less, and the floral designs that obtain are finer and smoother.
As preferably, described corrosive liquid is ferric chloride aqueous solutions, copper chloride solution, aqueous solution of nitric acid or hydrogen peroxide.
The concentration of described corrosive liquid is 5～50 Baumes, the operating temperature of described corrosive liquid is 5 degrees Celsius～60 degrees Celsius, corrosive liquid can make metallic roll be formed concave surface by the presumptive area of laser-induced thermal etching, and different corrosive liquids can make metallic roll surface concave have different roughness.
As preferably, described cleaning agent is at least one in ethanol, banana oil, butanone, benzinum, toluene, ethyl acetate, ether.
Described cleaning agent is determined according to the kind of cold coating, and cold coating can be dissolved in cleaning agent and be removed.
As preferably, described chromium layer thickness is 5 microns～500 microns.
Described chromium deposits to metallic roll surface by plating mode, and chromium face reflectance 1～99% can be selected variety classes according to the glossiness of different artificial leathers, and the chromium of different-thickness, obtains different chromium face reflectances, and then forms different artificial leather glossiness.
The manufacture method of used for artificial leather knurling rolls provided by the invention, technique is simple, and make efficiency is high, and the knurling rolls of making are sturdy and durable, and surface detail is fine and smooth, and glossiness can be adjusted.
Accompanying drawing explanation
Fig. 1 is the manufacture method flow chart of used for artificial leather knurling rolls of the present invention;
Fig. 2 is the manufacture process schematic diagram of used for artificial leather knurling rolls of the present invention.
The specific embodiment
Embodiment 1
Epoxy coating is sprayed to the steel roller faces of diameter 240mm, form uniform epoxy coating, 5 microns of coating layer thicknesses; Then, use 10W yag laser, epoxy coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 10 microns, until ablated region epoxy coating is removed totally completely; Then, with the region that the ferric chloride aqueous solutions of 10 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 10 degrees Celsius; Then, with industrial alcohol, the residual epoxy resin of steel roller faces is cleaned up, last, at steel roller faces electroplating thickness, be the decorative chromium layer of 5 microns, chromium face reflectance is 95%.
Embodiment 2
The copper roller surface that vinyl coating is sprayed to diameter 300mm, forms uniform vinyl coating coating, 40 microns of coating layer thicknesses; Then, use 400W carbon dioxide laser, vinyl coating coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 80 microns, until ablated region vinyl coating coating is removed totally completely; Then, with the region that the copper chloride solution of 40 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 50 degrees Celsius; Then, with banana oil (Tianna solution), the vinyl coating of copper roller remained on surface is cleaned up, last, at copper roller surface electroplating thickness, be the wear-resisting chromium layer of 350 microns, chromium face reflectance is 36%.
Embodiment 3
Brass roller surface unsaturated-resin spray painting to diameter 190mm, forms uniform unsaturated-resin paint coatings, 25 microns of coating layer thicknesses; Then, use 150W carbon dioxide laser, unsaturated-resin paint coatings presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 40 microns, until ablated region unsaturated-resin paint coatings is removed totally completely; Then, with the region that the copper chloride solution of 20 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 30 degrees Celsius; Then, with toluene, the unsaturated-resin coating of brass roller remained on surface is cleaned up, last, at brass roller surface electroplating thickness, be the milky white chromium layer of 100 microns, chromium face reflectance is 8%.
Embodiment 4
Epoxy coating is sprayed to the steel roller faces of diameter 300mm, form uniform epoxy coating, 40 microns of coating layer thicknesses; Then, use 400W yag laser, epoxy coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 80 microns, until ablated region epoxy coating is removed totally completely; Then, with the region that the ferric chloride aqueous solutions of 40 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 50 degrees Celsius; Then, with industrial alcohol, the residual epoxy resin of steel roller faces is cleaned up, last, at steel roller faces electroplating thickness, be the decorative chromium layer of 15 microns, chromium face reflectance is 85%.
Embodiment 5
The copper roller surface that vinyl coating is sprayed to diameter 240mm, forms uniform vinyl coating coating, 5 microns of coating layer thicknesses; Then, use 10W carbon dioxide laser, vinyl coating coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 10 microns, until ablated region vinyl coating coating is removed totally completely; Then, with the region that the copper chloride solution of 10 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 10 degrees Celsius; Then, with banana oil (Tianna solution), the vinyl coating of copper roller remained on surface is cleaned up, last, at copper roller surface electroplating thickness, be the wear-resisting chromium layer of 350 microns, chromium face reflectance is 73%.
Embodiment 6
Brass roller surface unsaturated-resin spray painting to diameter 240mm, forms uniform unsaturated-resin paint coatings, 5 microns of coating layer thicknesses; Then, use 10W carbon dioxide laser, unsaturated-resin paint coatings presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 10 microns, until ablated region unsaturated-resin paint coatings is removed totally completely; Then, with the region that the copper chloride solution of 10 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 10 degrees Celsius; Then, with toluene, the unsaturated-resin coating of brass roller remained on surface is cleaned up, last, at brass roller surface electroplating thickness, be the milky white chromium layer of 150 microns, chromium face reflectance is 17%.
Embodiment 7
Epoxy coating is sprayed to the steel roller faces of diameter 190mm, form uniform epoxy coating, 25 microns of coating layer thicknesses; Then, use 150W yag laser, epoxy coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 40 microns, until ablated region epoxy coating is removed totally completely; Then, with the region that the ferric chloride aqueous solutions of 20 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 30 degrees Celsius; Then, with industrial alcohol, the residual epoxy resin of steel roller faces is cleaned up, last, at steel roller faces electroplating thickness, be the decorative chromium layer of 10 microns, chromium face reflectance is 64%.
Embodiment 8
The copper roller surface that vinyl coating is sprayed to diameter 190mm, forms uniform vinyl coating coating, 25 microns of coating layer thicknesses; Then, use 150W carbon dioxide laser, vinyl coating coating presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 40 microns, until ablated region vinyl coating coating is removed totally completely; Then, with the region that the copper chloride solution of 20 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 30 degrees Celsius; Then, with banana oil (Tianna solution), the vinyl coating of copper roller remained on surface is cleaned up, last, at copper roller surface electroplating thickness, be the wear-resisting chromium layer of 230 microns, chromium face reflectance is 18%.
Embodiment 9
Brass roller surface unsaturated-resin spray painting to diameter 300mm, forms uniform unsaturated-resin paint coatings, 40 microns of coating layer thicknesses; Then, use 400W carbon dioxide laser, unsaturated-resin paint coatings presumptive area is carried out to optionally ablation, controlling laser spot spot diameter is 80 microns, until ablated region unsaturated-resin paint coatings is removed totally completely; Then, with the region that the copper chloride solution of 40 Baumes falls laser ablation, corrode, the operating temperature of corrosive liquid is 50 degrees Celsius; Then, with toluene, the unsaturated-resin coating of brass roller remained on surface is cleaned up, last, at brass roller surface electroplating thickness, be the milky white chromium layer of 410 microns, chromium face reflectance is 23%.
Claims (1)
1. a manufacture method for used for artificial leather knurling rolls, is characterized in that, comprises the following steps:
(1) cold coating is sprayed to metallic roll surface, obtain the metallic roll of surface uniform covering resin coating;
Described metallic roll surface roughness≤0.5 micron;
Described cold coating is at least one in epoxy coating, polyurethane coating, unsaturated-resin coating, vinyl coating;
Described resinous coat thickness is 2～50 microns;
(2) with the resinous coat of laser ablation presumptive area, obtain the metallic roll that there is ablation grain pattern on surface; Described laser is yag laser or carbon dioxide laser;
(3) with ablated region, corrosive liquid corroding metal roller surface, obtain surface with the metallic roll of corrosion grain pattern; Described corrosive liquid is ferric chloride aqueous solutions, copper chloride solution, aqueous solution of nitric acid or hydrogen peroxide;
(4) with cleaning agent, wash away the resinous coat of metallic roll surface unintended areas, obtain surface with the metallic roll of ridge design pattern; Described cleaning agent is at least one in ethanol, banana oil, butanone, benzinum, toluene, ethyl acetate, ether;
(5) surface with the metallic roll of ridge design pattern on chromium coating, obtain used for artificial leather knurling rolls; Described chromium layer thickness is 5 microns～500 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301546.1A CN102787466B (en) | 2012-08-23 | 2012-08-23 | Manufacturing method of knurling roll for artificial leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301546.1A CN102787466B (en) | 2012-08-23 | 2012-08-23 | Manufacturing method of knurling roll for artificial leather |
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| Publication Number | Publication Date |
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| CN102787466A CN102787466A (en) | 2012-11-21 |
| CN102787466B true CN102787466B (en) | 2014-04-09 |
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| CN1186874A (en) * | 1996-12-31 | 1998-07-08 | 财团法人韩国机械研究院 | Method for manufacturing engraved rolling rool and apparatus for manufacturing the same |
| CN101914776B (en) * | 2010-07-16 | 2011-07-06 | 上海希尔彩印制版有限公司 | Laser cutting corroding platemaking surface opening liquid and usage thereof |
| CN102423955A (en) * | 2011-08-24 | 2012-04-25 | 上海希尔彩印制版有限公司 | Method for manufacturing printing plate with multiple depths of printing and dyeing roller |
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