CN112410723A - Method for cleaning saw blade before PVD coating - Google Patents
Method for cleaning saw blade before PVD coating Download PDFInfo
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- CN112410723A CN112410723A CN202011351812.2A CN202011351812A CN112410723A CN 112410723 A CN112410723 A CN 112410723A CN 202011351812 A CN202011351812 A CN 202011351812A CN 112410723 A CN112410723 A CN 112410723A
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- cleaning
- saw blade
- circular saw
- pure water
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- 238000004140 cleaning Methods 0.000 title claims abstract description 133
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 239000011248 coating agent Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000003814 drug Substances 0.000 claims abstract description 23
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 3
- 239000011550 stock solution Substances 0.000 claims description 22
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 12
- 239000012459 cleaning agent Substances 0.000 claims description 11
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 235000015073 liquid stocks Nutrition 0.000 claims description 5
- -1 amide compound Chemical class 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- 241001089723 Metaphycus omega Species 0.000 claims description 2
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004111 Potassium silicate Substances 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 150000007980 azole derivatives Chemical class 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 229960002887 deanol Drugs 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012972 dimethylethanolamine Substances 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013043 chemical agent Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
Abstract
The invention discloses a saw blade PVD coating pre-cleaning method, which comprises the following steps: putting the circular saw blade into a cleaning frame, carrying out ultrasonic treatment for 10-15 min by using a cleaning solution A at 65 +/-2 ℃, then rinsing in pure water at normal temperature, then soaking in a cleaning solution B at 65 +/-2 ℃ for removing rust for 8-12 min, continuing rinsing by using the pure water, then soaking in alkaline liquid medicine at 55 +/-2 ℃ for neutralization treatment, rinsing by using the pure water, then soaking in antirust liquid medicine at 60 +/-2 ℃ for rust prevention, and then drying. The invention has the beneficial effects that: and combining chemical agent cleaning and mechanical cleaning modes. On the one hand, damage to the components of the saw blade itself during the cleaning process can be avoided. On the other hand, oil stain, rust, dust and the like on the surface of the circular saw blade can be removed completely, and the cleaning effect is ensured to meet the requirements of the PVD coating.
Description
Technical Field
The invention relates to a cleaning process, which is particularly suitable for cleaning a circular saw blade before PVD coating.
Background
The high-speed circular sawing machine is used as equipment in the metal blank cutting and processing industry, wherein the circular saw blade is used as a consumable material of the high-speed circular sawing machine. Because the material in the metal field is applied more, more and more metal blanks are processed and produced by a high-speed circular saw machine. According to the change of market demands, a circular saw blade manufacturer puts forward a PVD coating circular saw blade which is mainly applied to the processing of stainless steel blanks or high-strength metal blanks.
Cleaning is an essential working procedure before the PVD coating of the circular saw blade and is the most important process in the production of the PVD coating. The circular saw blade is in process production, and filth such as oil stain, dust can remain on the circular saw blade surface, if directly be used for PVD coating operation, not only cause the cohesion of saw bit PVD coating not enough, easily the coating drops, also can make the surface filth gasification appear when high temperature coating, cause the vacuum of PVD coating poor, make coating process interrupt.
The circular saw blade consists of a hard alloy or metal ceramic tool bit, a welding material and an alloy steel matrix. The cleaning process in the prior art has the phenomena of poor cleaning effect, residual dirt, damaged main material components and the like, so that the quality of the PVD coating of the circular saw blade is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cleaning process before a saw blade PVD coating, which can effectively remove dirt on the surface of the circular saw blade and ensure that the cleaning effect meets the requirement of the production of the circular saw blade PVD coating.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cleaning method before PVD coating of a saw blade is characterized by comprising the following steps:
s1, preparation: the circular saw blades to be cleaned are sequentially placed in a cleaning frame and well fixed;
s2, cleaning: immersing a cleaning frame with a circular saw blade into the cleaning solution A for ultrasonic treatment, controlling the cleaning temperature within 65 +/-2 ℃, cleaning for 10-15 min and then hanging out; the cleaning solution A comprises the following components in percentage by weight: 4-5% of a cleaning agent stock solution and the balance of pure water;
s3, rinsing: cleaning the circular saw blade, immersing the circular saw blade into pure water at normal temperature, rinsing for 2-3 min, and then hanging out;
s4, cleaning: immersing a cleaning frame with the circular saw blade into cleaning liquid B for ultrasonic rust removal, controlling the rust removal temperature within 65 +/-2 ℃, treating for 8-12 min, and then lifting out; the cleaning liquid B comprises the following components in percentage by weight: 3-3.5% of a stock solution of the cleaning agent, and the balance of pure water;
s5, rinsing: the circular saw blade is immersed in pure water after being cleaned, and is lifted out after being cleaned for 2-3 min;
s6, neutralization processing: immersing a cleaning frame with a circular saw blade into alkaline liquid medicine for ultrasonic cleaning, controlling the cleaning temperature within 55 +/-2 ℃, and carrying out neutralization treatment for 4-5 min and then hanging out; wherein, the alkaline liquid medicine comprises the following components in percentage by weight: 2-2.5% of alkaline liquid medicine stock solution and the balance of pure water;
s7, rinsing: cleaning the circular saw blade, immersing the circular saw blade into pure water, controlling the rinsing temperature within 60 +/-2 ℃, rinsing for 4-5 min, and then hanging out;
s8, rust prevention: immersing a cleaning frame with a circular saw blade into antirust liquid medicine for ultrasonic cleaning, controlling the cleaning temperature within 60 +/-2 ℃, cleaning for 8-10 min, and then lifting out in a slow lifting mode; wherein, the antirust liquid medicine comprises the following components in percentage by weight: 1-1.5% of antirust liquid stock solution and the balance of pure water;
s9, drying: drying the cleaning frame with the saw blade at the temperature of 100-110 ℃ for not less than 10min, and hanging out of the cleaning frame. And cooling the circular saw blade to normal temperature, and wiping the surface by white dust-free cloth without dirtying the dust-free cloth. Meanwhile, the tool bit part of the circular saw blade is observed by using a 50-time microscope, and the tool bit is free of defects. The cleaning effect is judged to be qualified.
Preferably, in step S1, after the saw blade is fixed, the distance between the saw blade and the cleaning frame and the distance between the saw blade and the saw blade are both maintained within the range of 10-14 cm, and the cleaning frame is made of stainless steel.
Preferably, in the steps S2 and S4, the cleaning agents are the same in type and different in concentration, and the cleaning agent stock solution is composed of the following components in parts by weight: 1-2.5 parts of potassium hydroxide, 0.25-1 part of tetrapotassium pyrophosphate, 0.25-1 part of amide compound, 0.25-1 part of 2-butoxyethanol, 0.1-0.25 part of 2-aminoethanol, 0.1-0.25 part of potassium silicate, 0.1-0.25 part of azole derivative and 1000 parts of water. Can prevent the loss of the components of the circular saw blade.
Preferably, in step S6, the basic chemical solution stock solution comprises the following components in parts by weight: 1-2.5 parts of amide compound, 0.25-1 part of diethanolamine, 0.25-1 part of 2-aminoethanol, 0.25-1 part of triethanolamine, less than 0.25 part of fatty acid and 1000 parts of water. Can be biologically degraded to remove dirt such as grease on the surface of the saw blade.
Preferably, in step S8, the antirust liquid stock solution is composed of the following components in parts by weight: 2.5-5 parts of dimethylethanolamine and 1000 parts of water. After the circular saw blade is dried, no trace residue is left on the surface, and the circular saw blade has good antirust effect.
Preferably, the frequency of the ultrasonic waves in steps S2, S4, S6, S8 is controlled to 40 KHz.
Preferably, the resistivity of the pure water in the step is maintained at 10 M.OMEGA.CM or more.
The invention has the beneficial effects that: and combining chemical agent cleaning and mechanical cleaning modes. On the one hand, damage to the components of the saw blade itself during the cleaning process can be avoided. On the other hand, oil stain, rust, dust and the like on the surface of the circular saw blade can be removed completely, and the cleaning effect is ensured to meet the requirements of the PVD coating.
Drawings
FIG. 1 is a schematic view of a cleaning process.
Detailed Description
The present invention will be described in detail with reference to examples, which are only a part of the embodiments of the present invention, but not all of them, and differ in the cleaning time of S2 and S4 due to differences in product specifications and quantities.
Example 1 the cleaning process of this example is suitable for pre-coating cleaning of saw blades, and specifically includes the following steps:
s1, preparation: the circular saw blades to be cleaned are sequentially placed in a cleaning frame and well fixed;
s2, cleaning: soaking a cleaning frame with the circular saw blade into an ultrasonic cleaning tank with cleaning liquid A for ultrasonic cleaning, wherein the cleaning temperature is 65 ℃, and the cleaning time is 12min and then the cleaning frame is lifted out; the cleaning solution A comprises the following components in percentage by weight: 5% of stock solution of the cleaning agent and the balance of pure water;
s3, rinsing: cleaning the circular saw blade, immersing the circular saw blade into a normal-temperature pure water tank, and lifting the circular saw blade out after rinsing for 2 min;
s4, cleaning: soaking a cleaning frame with a circular saw blade into an ultrasonic cleaning tank with cleaning fluid B for rust removal, wherein the rust removal temperature is 60 ℃, and the cleaning frame is lifted out after the treatment time is 10 min;
the cleaning solution B comprises the following components in percentage by weight: 3.5% of stock solution of the cleaning agent and the balance of pure water;
s5, rinsing: cleaning the circular saw blade, immersing the circular saw blade into a pure water tank, cleaning for 3min, and then hanging out;
s6, neutralization processing: soaking a cleaning frame with a circular saw blade into an ultrasonic cleaning tank with alkaline liquid medicine, cleaning at 55 ℃, neutralizing for 5min, and then hanging out;
the alkaline liquid medicine comprises the following components in percentage by weight: 2% of alkaline liquid medicine stock solution and the balance of pure water;
s7, rinsing: cleaning the circular saw blade, immersing the circular saw blade into a pure water tank, rinsing at the temperature of 60 ℃, and lifting the circular saw blade after rinsing for 5 min;
s8, rust prevention: immersing a cleaning frame with a circular saw blade into an ultrasonic cleaning tank with antirust liquid medicine, cleaning at the temperature of 60 ℃, and lifting out in a slow lifting mode after cleaning for 10 min;
the antirust liquid medicine comprises the following components in percentage by weight: 1% of antirust liquid medicine stock solution and the balance of pure water;
s9, drying: placing the cleaning frame with the saw blade into a drying groove, drying at 110 deg.C for 12min, and hanging out the cleaning frame;
in the steps, the bottom of each water tank is provided with a limiting clamping groove, the bottom of the cleaning frame can be fixed, and the cleaning frame can be thrown up and down for cleaning in normal operation. And each water tank adopts a rounded stainless steel process tank with a mirror surface effect, so that the residue of the cleaning dirt is less, and the cleaning is convenient.
Embodiment 2 the cleaning process of this embodiment is suitable for cleaning the saw blade before coating, and specifically comprises the following steps:
s1, preparing, putting the circular saw blade to be cleaned into a cleaning frame in sequence, and fixing;
s2, cleaning, namely soaking a cleaning frame provided with a circular saw blade into an ultrasonic cleaning tank provided with a cleaning solution A, wherein the cleaning temperature is 65 ℃, and the cleaning time is 14min and then hanging out;
the cleaning solution A comprises the following components in percentage by weight: 4.5% of stock solution of the cleaning agent and the balance of pure water;
s3, rinsing, namely, cleaning the circular saw blade, immersing the circular saw blade into a normal-temperature pure water tank, and lifting the circular saw blade out after rinsing for 2 min;
s4, cleaning, namely immersing the cleaning frame with the circular saw blade into an ultrasonic cleaning tank with cleaning liquid B, removing rust at 65 ℃, and lifting out after the treatment time is 12 min;
the cleaning solution B comprises the following components in percentage by weight: 3% of stock solution of the cleaning agent and the balance of pure water;
s5, rinsing, soaking the circular saw blade into a pure water tank after cleaning, and hanging out after cleaning for 3 min;
s6, neutralizing, namely immersing a cleaning frame provided with a circular saw blade into a proportioned alkaline liquid medicine ultrasonic cleaning tank, cleaning at 55 ℃, and lifting out after neutralizing for 5 min;
the alkaline liquid medicine comprises the following components in percentage by weight: 2% of alkaline liquid medicine stock solution and the balance of pure water;
s7, rinsing, namely, cleaning the circular saw blade, immersing the circular saw blade into a pure water tank, rinsing at the temperature of 60 ℃, and lifting out after rinsing for 5 min;
s8, performing rust prevention, immersing a cleaning frame provided with a circular saw blade into a proportioned rust prevention liquid ultrasonic cleaning tank, cleaning at the temperature of 60 ℃, and lifting out in a slow lifting mode after cleaning for 10 min;
the antirust liquid medicine comprises the following components in percentage by weight: 1.5 percent of antirust liquid medicine stock solution and the balance of pure water;
and S9, drying, namely putting the cleaning frame with the saw blade into a drying groove, drying at the temperature of 110 ℃ for 12min, and hanging out the cleaning frame.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
Claims (7)
1. A cleaning method before PVD coating of a saw blade is characterized by comprising the following steps:
s1, preparation: the circular saw blades to be cleaned are sequentially placed in a cleaning frame and well fixed;
s2, cleaning: immersing a cleaning frame with a circular saw blade into the cleaning solution A for ultrasonic treatment, controlling the cleaning temperature within 65 +/-2 ℃, cleaning for 10-15 min and then hanging out; the cleaning solution A comprises the following components in percentage by weight: 4-5% of a cleaning agent stock solution and the balance of pure water;
s3, rinsing: cleaning the circular saw blade, immersing the circular saw blade into pure water at normal temperature, rinsing for 2-3 min, and then hanging out;
s4, cleaning: immersing a cleaning frame with the circular saw blade into cleaning liquid B for ultrasonic rust removal, controlling the rust removal temperature within 65 +/-2 ℃, treating for 8-12 min, and then lifting out; the cleaning liquid B comprises the following components in percentage by weight: 3-3.5% of a stock solution of the cleaning agent, and the balance of pure water;
s5, rinsing: the circular saw blade is immersed in pure water after being cleaned, and is lifted out after being cleaned for 2-3 min;
s6, neutralization processing: soaking the cleaning frame with the circular saw blade in alkaline liquid medicine for ultrasonic cleaning, controlling the cleaning temperature within 55 +/-2 ℃, and carrying out neutralization treatment for 5min and then hanging out; wherein, the alkaline liquid medicine comprises the following components in percentage by weight: 2-2.5% of alkaline liquid medicine stock solution and the balance of pure water;
s7, rinsing: cleaning the circular saw blade, immersing the circular saw blade into pure water, controlling the rinsing temperature within the range of 60 +/-2 ℃, rinsing for 5min, and then hanging out;
s8, rust prevention: soaking a cleaning frame with a circular saw blade into antirust liquid medicine for ultrasonic cleaning, controlling the cleaning temperature within 60 +/-2 ℃, cleaning for 10min, and then lifting out in a slow lifting mode; wherein, the antirust liquid medicine comprises the following components in percentage by weight: 1-1.5% of antirust liquid stock solution and the balance of pure water;
s9, drying: drying the cleaning frame with the saw blade at the temperature of 100-110 ℃ for not less than 10min, and hanging out of the cleaning frame. And cooling the circular saw blade to normal temperature, and wiping the surface by white dust-free cloth without dirtying the dust-free cloth. Meanwhile, the tool bit part of the circular saw blade is observed by using a 50-time microscope, and the tool bit is free of defects. The cleaning effect is judged to be qualified.
2. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: in step S1, after the saw blade is fixed, the distance between the saw blade and the cleaning frame and the distance between the saw blade and the saw blade are kept within the range of 10-14 cm.
3. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: in the steps S2 and S4, the cleaning solution A and the cleaning solution B are the same in type and different in concentration, and the cleaning agent stock solution consists of the following components in parts by weight: 1-2.5 parts of potassium hydroxide, 0.25-1 part of tetrapotassium pyrophosphate, 0.25-1 part of amide compound, 0.25-1 part of 2-butoxyethanol, 0.1-0.25 part of 2-aminoethanol, 0.1-0.25 part of potassium silicate, 0.1-0.25 part of azole derivative and 1000 parts of water.
4. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: in step S6, the basic medicinal liquid stock solution is composed of the following components in parts by weight: 1-2.5 parts of amide compound, 0.25-1 part of diethanolamine, 0.25-1 part of 2-aminoethanol, 0.25-1 part of triethanolamine, less than 0.25 part of fatty acid and 1000 parts of water.
5. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: in step S8, the antirust liquid stock solution consists of the following components in parts by weight: 2.5-5 parts of dimethylethanolamine and 1000 parts of water.
6. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: the ultrasonic wave frequency in steps S2, S4, S6, S8 is controlled to 40 KHz.
7. A saw blade PVD pre-coating cleaning method as recited in claim 1, further comprising: the resistivity of pure water in the step is maintained at 10 M.OMEGA.CM or more.
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| CN202011351812.2A CN112410723A (en) | 2020-11-27 | 2020-11-27 | Method for cleaning saw blade before PVD coating |
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| CN202011351812.2A CN112410723A (en) | 2020-11-27 | 2020-11-27 | Method for cleaning saw blade before PVD coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373453A (en) * | 2021-06-09 | 2021-09-10 | 江西江钨硬质合金有限公司 | Cleaning method used before coating of hard alloy numerical control blade |
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