CN109130456A - A kind of preparation method of high-quality ink knife - Google Patents
A kind of preparation method of high-quality ink knife Download PDFInfo
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- CN109130456A CN109130456A CN201810801775.7A CN201810801775A CN109130456A CN 109130456 A CN109130456 A CN 109130456A CN 201810801775 A CN201810801775 A CN 201810801775A CN 109130456 A CN109130456 A CN 109130456A
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- ink knife
- salt bath
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The present invention discloses a kind of preparation method of high-quality ink knife, including following operating procedure: (1) will prepare molding ink knife surface using after blasting treatment, and be preheated to 400-450 DEG C, it is put into nitriding furnace, nitridation salt bath is carried out, then carries out oxidation salt bath, washes with water surface；(2) plasma sprayed ceramic layer then is carried out to ink knife surface；(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.Using ink knife made from the method for the present invention, precision is high, and cleanliness is high, corrosion-resistant, wear-resisting property is excellent, and especially ink scratches significant effect, greatly improves the quality of printing.
Description
Technical field
The invention belongs to oil film scraper preparation technical fields, and in particular to a kind of preparation method of high-quality ink knife.
Background technique
Ink knife controlled in offset printing be ink transmitting complex process, including ink, version and paper.In intaglio printing
In, it is a mechanically actuated to ink knife, it is relatively easy, but it has the uniqueness of its own.Ink knife requirement must
Must have wearability and high efficiency, just can guarantee the high quality quality of printing, and it must be appropriate for holding for modern intaglio printing
Long and high speed needs.Ink knife is to be divided into metal and non-gold for scraping off the thin slice of cylinder surface excess ink on printing machine
Belong to two kinds.For ink knife in each printing process, the ink in removal pattern-free region is a crucial place.The prior art
In, according to oil film scraper according to the quality of substrate, following several scrapers can be divided into: carbon steel scraper, plastic spatula, coating blade,
Stainless steel spatula, wherein ceramic coating scraper is because of its clean high, wear-resisting excellent properties, and is widely used.But ceramics apply
The layer scraper residual quantity that there is oil films on paper is larger, scratches the unconspicuous technological deficiency of effect.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of preparation methods of high-quality ink knife.
The present invention is achieved by the following technical solutions.
A kind of preparation method of high-quality ink knife, including following operating procedure:
(1) molding ink knife surface will be prepared using after blasting treatment, 400-450 DEG C is preheated to, is put into nitriding furnace, into
Row nitridation salt bath, then oxidation salt bath is carried out, surface is washed with water, wherein nitridation salt is made of the component of following parts by weight: cyanic acid
44-50 parts of potassium, 21-28 parts of Zassol, 2-5 parts of cerous nitrate, 1-3 parts of ytterbium carbonate；
(2) plasma sprayed ceramic layer then is carried out to ink knife surface, wherein the powder of plasma spraying is by following weight
The component of part is made: 11-16 parts, 2-4 parts 75-80 parts of alumina powder, hafnium oxide nanometer GTO；
(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.
Specifically, in above-mentioned steps (1), temperature when nitrogenizing salt bath is 600-620 DEG C, and the time for nitrogenizing salt bath is 100-
120min。
Specifically, in above-mentioned steps (1), temperature when aoxidizing salt bath is 330-360 DEG C, time 25-30min, wherein
Saline oxide comprises the following components in parts by weight: 45-50 parts of ammonium carbonate, 35-40 parts of sodium carbonate, 6-8 parts of potassium hydroxide, sodium hydroxide
3-5 parts.
Specifically, in above-mentioned steps (2), when plasma spraying, powder feeding throughput is 45L/min, and spray distance is
180mm, coating thickness 0.08-0.10mm.
From the above technical scheme, it can be seen that the beneficial effects of the present invention are:
Using ink knife made from the method for the present invention, precision is high, and cleanliness is high, corrosion-resistant, wear-resisting property is excellent, especially oily
Ink blade coating significant effect, greatly improves the quality of printing.Wherein, nitridation salt provided by the invention can effectively promote nitrogen
Change the depth of layer, and then effectively improves the mechanical property of cutter, the addition of cerous nitrate, ytterbium carbonate, moreover it is possible to promote ceramic layer
In the cohesive force of tool surface, the adhesion effect of ceramic layer is improved；It, can be effective after hafnium oxide and nanometer GTO synergistic effect
Promotion blade surface consistency, not only enhanced the wear-resisting property of scraper, but also improve scraper to the blade coating effect of ink.
Specific embodiment
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.Reality used in the examples
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of preparation method of high-quality ink knife, including following operating procedure:
(1) molding ink knife surface will be prepared using after blasting treatment, 400-450 DEG C is preheated to, is put into nitriding furnace, into
Row nitridation salt bath, then oxidation salt bath is carried out, surface is washed with water, wherein nitridation salt is made of the component of following parts by weight: cyanic acid
44-50 parts of potassium, 21-28 parts of Zassol, 2-5 parts of cerous nitrate, 1-3 parts of ytterbium carbonate；
(2) plasma sprayed ceramic layer then is carried out to ink knife surface, wherein the powder of plasma spraying is by following weight
The component of part is made: 11-16 parts, 2-4 parts 75-80 parts of alumina powder, hafnium oxide nanometer GTO；
(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.
Specifically, in above-mentioned steps (1), temperature when nitrogenizing salt bath is 600-620 DEG C, and the time for nitrogenizing salt bath is 100-
120min。
Specifically, in above-mentioned steps (1), temperature when aoxidizing salt bath is 330-360 DEG C, time 25-30min, wherein
Saline oxide comprises the following components in parts by weight: 45-50 parts of ammonium carbonate, 35-40 parts of sodium carbonate, 6-8 parts of potassium hydroxide, sodium hydroxide
3-5 parts.
Specifically, in above-mentioned steps (2), when plasma spraying, powder feeding throughput is 45L/min, and spray distance is
180mm, coating thickness 0.08-0.10mm.
Embodiment 2
A kind of preparation method of high-quality ink knife, including following operating procedure:
(1) molding ink knife surface will be prepared using after blasting treatment, 400-450 DEG C is preheated to, is put into nitriding furnace, into
Row nitridation salt bath, then oxidation salt bath is carried out, surface is washed with water, wherein nitridation salt is made of the component of following parts by weight: cyanic acid
44-50 parts of potassium, 21-28 parts of Zassol, 2-5 parts of cerous nitrate, 1-3 parts of ytterbium carbonate；
(2) plasma sprayed ceramic layer then is carried out to ink knife surface, wherein the powder of plasma spraying is by following weight
The component of part is made: 11-16 parts, 2-4 parts 75-80 parts of alumina powder, hafnium oxide nanometer GTO；
(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.
Specifically, in above-mentioned steps (1), temperature when nitrogenizing salt bath is 600-620 DEG C, and the time for nitrogenizing salt bath is 100-
120min。
Specifically, in above-mentioned steps (1), temperature when aoxidizing salt bath is 330-360 DEG C, time 25-30min, wherein
Saline oxide comprises the following components in parts by weight: 45-50 parts of ammonium carbonate, 35-40 parts of sodium carbonate, 6-8 parts of potassium hydroxide, sodium hydroxide
3-5 parts.
Specifically, in above-mentioned steps (2), when plasma spraying, powder feeding throughput is 45L/min, and spray distance is
180mm, coating thickness 0.08-0.10mm.
Embodiment 3
A kind of preparation method of high-quality ink knife, including following operating procedure:
(1) molding ink knife surface will be prepared using after blasting treatment, 400-450 DEG C is preheated to, is put into nitriding furnace, into
Row nitridation salt bath, then oxidation salt bath is carried out, surface is washed with water, wherein nitridation salt is made of the component of following parts by weight: cyanic acid
44-50 parts of potassium, 21-28 parts of Zassol, 2-5 parts of cerous nitrate, 1-3 parts of ytterbium carbonate；
(2) plasma sprayed ceramic layer then is carried out to ink knife surface, wherein the powder of plasma spraying is by following weight
The component of part is made: 11-16 parts, 2-4 parts 75-80 parts of alumina powder, hafnium oxide nanometer GTO；
(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.
Specifically, in above-mentioned steps (1), temperature when nitrogenizing salt bath is 600-620 DEG C, and the time for nitrogenizing salt bath is 100-
120min。
Specifically, in above-mentioned steps (1), temperature when aoxidizing salt bath is 330-360 DEG C, time 25-30min, wherein
Saline oxide comprises the following components in parts by weight: 45-50 parts of ammonium carbonate, 35-40 parts of sodium carbonate, 6-8 parts of potassium hydroxide, sodium hydroxide
3-5 parts.
Specifically, in above-mentioned steps (2), when plasma spraying, powder feeding throughput is 45L/min, and spray distance is
180mm, coating thickness 0.08-0.10mm.
Comparative example 1
In step (2), hafnium oxide and nanometer GTO, remaining operating procedure and embodiment 1 are not contained in the powder of plasma spraying
It is identical.
Ink knife is made with the method for each embodiment and comparative example respectively, then tests its properties, test result
It is as shown in table 1:
The performance test of 1 ink knife of table
| Project | The bond strength of coating, MPa | Wear rate, %(normal pressure 50N, 5min) |
| Embodiment 1 | 46 | 0.033 |
| Comparative example 1 | 33 | 0.115 |
| Embodiment 2 | 48 | 0.031 |
| Embodiment 3 | 49 | 0.028 |
As shown in Table 1, ink knife made from the present embodiment, surface ceramic coat, bond strength is high, and wear-resistant, quality is excellent
It is different.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (4)
1. a kind of preparation method of high-quality ink knife, which is characterized in that including following operating procedure:
(1) molding ink knife surface will be prepared using after blasting treatment, 400-450 DEG C is preheated to, is put into nitriding furnace, into
Row nitridation salt bath, then oxidation salt bath is carried out, surface is washed with water, wherein nitridation salt is made of the component of following parts by weight: cyanic acid
44-50 parts of potassium, 21-28 parts of Zassol, 2-5 parts of cerous nitrate, 1-3 parts of ytterbium carbonate；
(2) plasma sprayed ceramic layer then is carried out to ink knife surface, wherein the powder of plasma spraying is by following weight
The component of part is made: 11-16 parts, 2-4 parts 75-80 parts of alumina powder, hafnium oxide nanometer GTO；
(3) after the completion of spraying, grinding processing, finished product are carried out to ink knife surface.
2. a kind of preparation method of high-quality ink knife according to claim 1, which is characterized in that above-mentioned steps (1)
In, temperature when nitrogenizing salt bath is 600-620 DEG C, and the time for nitrogenizing salt bath is 100-120min.
3. a kind of preparation method of high-quality ink knife according to claim 1, which is characterized in that above-mentioned steps (1)
In, temperature when aoxidizing salt bath is 330-360 DEG C, and time 25-30min, wherein saline oxide comprises the following components in parts by weight:
45-50 parts of ammonium carbonate, 35-40 parts of sodium carbonate, 6-8 parts of potassium hydroxide, 3-5 parts of sodium hydroxide.
4. a kind of preparation method of high-quality ink knife according to claim 1, which is characterized in that above-mentioned steps (2)
In, when plasma spraying, powder feeding throughput is 45L/min, spray distance 180mm, coating thickness 0.08-0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801775.7A CN109130456A (en) | 2018-07-20 | 2018-07-20 | A kind of preparation method of high-quality ink knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801775.7A CN109130456A (en) | 2018-07-20 | 2018-07-20 | A kind of preparation method of high-quality ink knife |
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| Publication Number | Publication Date |
|---|---|
| CN109130456A true CN109130456A (en) | 2019-01-04 |
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| CN201810801775.7A Pending CN109130456A (en) | 2018-07-20 | 2018-07-20 | A kind of preparation method of high-quality ink knife |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912472A (en) * | 2015-05-11 | 2015-09-16 | 安徽先锋门业科技有限公司 | Anti-corrosion and abrasion-resistance retractable door |
| CN106415048A (en) * | 2014-06-14 | 2017-02-15 | 戴姆勒股份公司 | Brake disc for a motor vehicle |
| CN107130205A (en) * | 2017-05-03 | 2017-09-05 | 成都晟翔科技有限公司 | It is a kind of for environment-friendly type regeneration salt of QPQ techniques and its preparation method and application |
| CN108034919A (en) * | 2017-12-01 | 2018-05-15 | 马鞍山市鑫龙特钢有限公司 | A kind of method of stainless steel salt bath processing |
| KR20180080429A (en) * | 2017-01-04 | 2018-07-12 | 한국세라믹기술원 | Plasma resistant hard coating composition for recycling ceramic member and regeneration method of ceramic member for recycle using the composition |
-
2018
- 2018-07-20 CN CN201810801775.7A patent/CN109130456A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415048A (en) * | 2014-06-14 | 2017-02-15 | 戴姆勒股份公司 | Brake disc for a motor vehicle |
| CN104912472A (en) * | 2015-05-11 | 2015-09-16 | 安徽先锋门业科技有限公司 | Anti-corrosion and abrasion-resistance retractable door |
| KR20180080429A (en) * | 2017-01-04 | 2018-07-12 | 한국세라믹기술원 | Plasma resistant hard coating composition for recycling ceramic member and regeneration method of ceramic member for recycle using the composition |
| CN107130205A (en) * | 2017-05-03 | 2017-09-05 | 成都晟翔科技有限公司 | It is a kind of for environment-friendly type regeneration salt of QPQ techniques and its preparation method and application |
| CN108034919A (en) * | 2017-12-01 | 2018-05-15 | 马鞍山市鑫龙特钢有限公司 | A kind of method of stainless steel salt bath processing |
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Application publication date: 20190104 |