CN103752481A - Water-soluble punch plate painting process - Google Patents
Water-soluble punch plate painting process Download PDFInfo
- Publication number
- CN103752481A CN103752481A CN201410014453.XA CN201410014453A CN103752481A CN 103752481 A CN103752481 A CN 103752481A CN 201410014453 A CN201410014453 A CN 201410014453A CN 103752481 A CN103752481 A CN 103752481A
- Authority
- CN
- China
- Prior art keywords
- punching
- japanning
- paint
- soluble
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
A water-soluble punch plate painting process comprises the following steps of (a) preparing before painting; (b) starting a painting machine; (c) painting punch plates; (d) examining paint films of the punch plates; and (e) feeding products to a next work procedure if the product is qualified, and removing burrs of the product and performing the step (c) and the step (d) again if the product is not qualified. High-quality water-soluble paint is adopted, and a paint baking process on stator fanning strips is performed on a novel four-roll painting machine; the quality of the paint films of the punching plates is stable by adjusting the steps of the process and optimizing parameters of the process, the surfaces of the paint films are flat, the thicknesses of the paint films are uniform, and the edges of the paint films are not thickened; and the whole technological operation process is simple and convenient, and environmental protection and energy conservation can be realized.
Description
Technical field
The present invention relates to a kind of baking finish process of fanning strip of generator stator, specifically, is the punching technique of water-soluble japanning.
Background technology
The domestic baking vanish for fanning strip of generator stator at present, the lamination coatings that contain organic solvent that adopt, carry out baking vanish more on two roller coating machines, and this solvent mostly is toluene, dimethylbenzene etc., the volatilization meeting serious harm operator's of organic solvent is healthy, and contaminated environment; Specialty, this type of baking vanish temperature drift, the levelability of paint is poor, there is paint film edge to thicken phenomenon, therefore for many years, the dealer that goes together is both at home and abroad devoted to develop the punching technique of water-soluble japanning always, but so far for can obtain effectively, successfully to apply; And by the water-soluble japanning of external import, in default of comparatively perfect baking finish process, cause the result of use of this japanning not good enough, thereby affect product quality.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of scientific and reasonable, simple and easy to do, adopt rational technological process and technological parameter, make that punching sheet surface paint film is smooth, even, non-flanged thickens phenomenon, and there is the water-soluble japanning punching technique a little such as energy-saving and environmental protection.
The object of the invention is to realize by following technical solution: its technological process is,
Before step a. japanning, prepare:
A1. punching is cleared up, deburring also guarantees the burr≤0.03mm of tooth portion, other positions burr≤0.05mm;
A2. adjust the viscosity of japanning, by the viscosity of 4# Ford cup inspection japanning, making viscosity is at room temperature 19 seconds;
A3. adjust at the uniform velocity transmission of conveyer, guarantee that roasting sheet drying time is 85 seconds;
Step b. coating machine starts:
B1. select four roller coating machines, connect electric heater power, and by Lu Nei tetra-district's Temperature Settings be: the first 280 ℃, district, 300 ℃ of Second Regions, 300 ℃, San district, 280 ℃, Si district;
B2. start all ventilation blowers, Shi Si district temperature reaches temperature stabilization in design temperature and stove;
Step c punching japanning:
C1. by a point punching of having rolled, overlap individual send into by platform, burr is downward without exception;
C2. coating machine completes japanning for the first time;
C3. by after cooling the punching of step c2 gained, Rotate 180 degree is again sent into coating machine and is painted;
Wherein, at coating machine end, take off punching coated with paint, and stack by burr direction, a point platform rolls; One side film thickness is 5-7 μ m after once painting, and the thickness after second painting is 10-15 μ m;
Steps d. check punching paint film:
D1. check paint film appearance;
D2. check film thickness, the uniformity;
D3. paint film is carried out to megger test;
Step e. is follow-up:
If e1. product is qualified, send into next procedure;
If e2. product is defective, after needing to deburr, re-start step c, d.
Further, in described step a, when punching is cleared up, also need to remove oil stain, dirt rust staining, oxide skin, keep it smooth, and deburr by drawing; While adjusting the viscosity of japanning, can add running water or former paint to adjust, in use procedure, should constantly stir the japanning in paint mixing bucket, and once its viscosity of periodic measurement.
Further, in described steps d 2, the method that detects film thickness and the uniformity is: with paint film thickness gauge, at 10 points of the positive planar survey of punching, 10 points are measured at the back side, till mean value reaches production requirement.
Further, in described steps d 3, the mode of megger test is: randomly draw 60 smears, closed assembly becomes 28-32mm high, put up and down insulation board, in hydraulic press by the effective area of punching with every square centimeter of pressure that applies 120-150N, then, under 1000V DC voltage, the insulating resistance value of measurement is greater than 800M Ω.
Further, in described step a, punching is deburred after needing test piece qualified several times and could be deburred in batches; In described steps d, after test piece is qualified several times, just can manufacture.
The invention has the beneficial effects as follows: adopt the water-soluble japanning of high-quality, on novel four roller coating machines, complete the baking finish process of stator sector piece; By adjusting process step, Optimizing Process Parameters, make punching painting quality stable, coating surface is smooth, even thickness, non-flanged thicken phenomenon; Whole operational process of craft is easy, can realize environmental protection, energy-conservation simultaneously.
The specific embodiment
The present invention will be described in detail below: its technological process is,
Before step a. japanning, prepare:
A1. punching is cleared up, punching sheet surface can not have oil stain, dirt etc., if any rust staining, oxide skin application brush, removes, and punching should be smooth, and tooth portion should reject if any serious deflection, fracture etc.; Deburring also guarantees the burr≤0.03mm of tooth portion, and other positions burr≤0.05mm if burr is undesirable, will again deburr until meet the requirements on burring machine.
A2. adjust the viscosity of japanning, by the viscosity of 4# Ford cup inspection japanning, making viscosity is at room temperature 19 seconds; Japanning in use, should be stirred at any time, and every order of classes or grades at school is measured a viscosity.
A3. adjust at the uniform velocity transmission of conveyer, guarantee that roasting sheet drying time is 85 seconds.
Step b. coating machine starts: before coating machine starts, should check whether unimpeded drip paint manages; Clean rubber roll and steel rod; Check whether transmission and ventilation unit running be normal.
B1. select four roller coating machines, connect electric heater power, and by Lu Nei tetra-district's Temperature Settings be: the first 280 ℃, district, 300 ℃ of Second Regions, 300 ℃, San district, 280 ℃, Si district;
B2. start all ventilation blowers, Shi Si district temperature reaches temperature stabilization in design temperature and stove;
Step c punching japanning:
C1. by a point punching of having rolled, overlap individual send into by platform, burr is downward without exception, adjusts punching stepping, guarantees rim charge width to be not less than 5mm; Open to paint bolt, make paint flow into and drip paint pipe from paint mixing bucket;
C2. coating machine completes japanning for the first time;
C3. by after cooling the punching of step c2 gained, Rotate 180 degree is again sent into coating machine and is painted;
Wherein, at coating machine end, take off punching coated with paint, and stack by burr direction, a point platform rolls; One side film thickness is 5-7 μ m after once painting, and the thickness after second painting is 10-15 μ m; Above-mentioned painting operations must first be put into several punchings examination and be coated with, and adjusts the distance between rubber roll and steel rod simultaneously, makes on punching section paint film evenly and edge does not thicken and is as the criterion.
Steps d. check punching paint film:
D1. check paint film appearance, the phenomenon such as can not there be bubble on surface, grow dim, under the state of cooling, should be dried tack-freely, and does not firmly come off, and with the calico wiping punching of the industrial alcohol that is dominant, its face coat can not decolour;
D2. check film thickness, the uniformity;
D3. paint film is carried out to megger test;
Step e. is follow-up:
If e1. product is qualified, send into next procedure;
If e2. product is defective, after needing to deburr, re-start step c, d.
In described step a, when punching is cleared up, also need to remove oil stain, dirt rust staining, oxide skin, keep it smooth, and deburr by drawing; While adjusting the viscosity of japanning, can add running water or former paint to adjust, in use procedure, should constantly stir the japanning in paint mixing bucket, and once its viscosity of periodic measurement.
In described steps d 2, the method that detects film thickness and the uniformity is: with paint film thickness gauge, at 10 points of the positive planar survey of punching, 10 points are measured at the back side, till mean value reaches production requirement.
In described steps d 3, the mode of megger test is: randomly draw 60 smears, closed assembly becomes 28-32mm high, put up and down insulation board, in hydraulic press by the effective area of punching with every square centimeter of pressure that applies 120-150N, then under 1000V DC voltage, the insulating resistance value of measurement is greater than 800M Ω.
Certainly, above-mentioned explanation is not limitation of the present invention, the present invention be also not limited to above-mentioned for example, those skilled in the art, within the scope of the invention, the variation made, change and add or replace, and all should belong to protection scope of the present invention.
Claims (5)
1. a water-soluble japanning punching technique, is characterized in that: its technological process is,
Before step a. japanning, prepare:
A1. punching is cleared up, deburring also guarantees the burr≤0.03mm of tooth portion, other positions burr≤0.05mm;
A2. adjust the viscosity of japanning, by the viscosity of 4# Ford cup inspection japanning, making viscosity is at room temperature 19 seconds;
A3. adjust at the uniform velocity transmission of conveyer, guarantee that roasting sheet drying time is 85 seconds;
Step b. coating machine starts:
B1. select four roller coating machines, connect electric heater power, and by Lu Nei tetra-district's Temperature Settings be: 280 ℃, the first 280 ℃, district, 300 ℃ of Second Regions, San district 3000, Si district;
B2. start all ventilation blowers, Shi Si district temperature reaches temperature stabilization in design temperature and stove;
Step c punching japanning:
C1. by a point punching of having rolled, overlap individual send into by platform, burr is downward without exception;
C2. coating machine completes japanning for the first time;
C3. by after cooling the punching of step c2 gained, Rotate 180 degree is again sent into coating machine and is painted;
Wherein, at coating machine end, take off punching coated with paint, and stack by burr direction, a point platform rolls; One side film thickness is 5-7 μ m after once painting, and the thickness after second painting is 10-15 μ m;
Steps d. check punching paint film:
D1. check paint film appearance;
D2. check film thickness, the uniformity;
D3. paint film is carried out to megger test;
Step e. is follow-up:
If e1. product is qualified, send into next procedure;
If e2. product is defective, after needing to deburr, re-start step c, d.
2. water-soluble japanning punching technique according to claim 1, is characterized in that: in described step a, when punching is cleared up, also need to remove oil stain, dirt rust staining, oxide skin, keep it smooth, and deburr by drawing; While adjusting the viscosity of japanning, can add running water or former paint to adjust, in use procedure, should constantly stir the japanning in paint mixing bucket, and once its viscosity of periodic measurement.
3. water-soluble japanning punching technique according to claim 1, it is characterized in that: in described steps d 2, the method that detects film thickness and the uniformity is: with paint film thickness gauge, at 10 points of the positive planar survey of punching, 10 points are measured at the back side, till mean value reaches production requirement.
4. water-soluble japanning punching technique according to claim 1, it is characterized in that: in described steps d 3, the mode of megger test is: randomly draw 60 smears, closed assembly becomes 28-32mm high, put up and down insulation board, in hydraulic press by the effective area of punching with every square centimeter of pressure that applies 120-150N, then, under 1000V DC voltage, the insulating resistance value of measurement is greater than 800M Ω.
5. water-soluble japanning punching technique according to claim 1, is characterized in that: in described step a, punching is deburred after needing test piece qualified several times and could be deburred in batches; In described steps d, after test piece is qualified several times, just can manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410014453.XA CN103752481A (en) | 2014-01-10 | 2014-01-10 | Water-soluble punch plate painting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410014453.XA CN103752481A (en) | 2014-01-10 | 2014-01-10 | Water-soluble punch plate painting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103752481A true CN103752481A (en) | 2014-04-30 |
Family
ID=50519886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410014453.XA Pending CN103752481A (en) | 2014-01-10 | 2014-01-10 | Water-soluble punch plate painting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103752481A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505994A (en) * | 2014-11-24 | 2015-04-08 | 江苏通达动力科技股份有限公司 | Anti-rust processing method for motor stator and rotor iron cores |
| CN105610286A (en) * | 2015-12-01 | 2016-05-25 | 哈尔滨电机厂有限责任公司 | Nuclear power stator punched sheet insulation treatment method |
| CN108654919A (en) * | 2018-05-18 | 2018-10-16 | 北京北重汽轮电机有限责任公司 | A kind of method of lacquering and device on stator iron-core lamination surface |
| CN113290110A (en) * | 2021-05-25 | 2021-08-24 | 安登利电子(深圳)有限公司 | Punching magnetic ring production process and magnetic core pressing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049591A (en) * | 2007-05-16 | 2007-10-10 | 山东齐鲁电机制造有限公司 | Baking finish of water-soluble silicon sheet varnish |
-
2014
- 2014-01-10 CN CN201410014453.XA patent/CN103752481A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049591A (en) * | 2007-05-16 | 2007-10-10 | 山东齐鲁电机制造有限公司 | Baking finish of water-soluble silicon sheet varnish |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505994A (en) * | 2014-11-24 | 2015-04-08 | 江苏通达动力科技股份有限公司 | Anti-rust processing method for motor stator and rotor iron cores |
| CN105610286A (en) * | 2015-12-01 | 2016-05-25 | 哈尔滨电机厂有限责任公司 | Nuclear power stator punched sheet insulation treatment method |
| CN108654919A (en) * | 2018-05-18 | 2018-10-16 | 北京北重汽轮电机有限责任公司 | A kind of method of lacquering and device on stator iron-core lamination surface |
| CN108654919B (en) * | 2018-05-18 | 2021-08-17 | 北京北重汽轮电机有限责任公司 | Painting method and device for surface of stator core punching sheet |
| CN113290110A (en) * | 2021-05-25 | 2021-08-24 | 安登利电子(深圳)有限公司 | Punching magnetic ring production process and magnetic core pressing device |
| CN113290110B (en) * | 2021-05-25 | 2022-03-08 | 安登利电子(深圳)有限公司 | Punching magnetic ring production process and magnetic core pressing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752481A (en) | Water-soluble punch plate painting process | |
| EP2769775A1 (en) | Method for producing electrical steel surface super-thick insulating coating | |
| CN100509180C (en) | Baking finish of water-soluble silicon sheet varnish | |
| CN103204011A (en) | Roller coating production method suitable for graphic code insulation board of building outer wall | |
| CN109251613A (en) | A kind of aqueous PCM steel plate and its manufacturing process | |
| CN104195829A (en) | Dry-method coating layer production technology for label cloth | |
| CN106644785A (en) | Method for testing crack-resistant property of coating on sealant | |
| WO2014139247A1 (en) | Method for producing steel plate with patterns by combining roller-coating printing and screen printing | |
| CN203485654U (en) | Five-coating three-drying color steel plate production line | |
| CN204135852U (en) | For the brush rolled tin machine of coating containing the Plate Production of zinc | |
| CN113318947A (en) | Production method of three-coating wide color-coated plate | |
| CN102280221A (en) | Process for producing enameled wire for compressor | |
| CN109162417B (en) | Method for manufacturing stone-like colorful coating | |
| CN204892269U (en) | Thick plate is with energy -conserving environmental protection paint roller coat structure | |
| CN102615025B (en) | On small size exemplar, prepare the method for homogeneous film coating | |
| CN114719589B (en) | Drying device for coating | |
| WO2012019777A1 (en) | Method for applying a paint system on a moving steel strip to form a coating, and steel strip thus produced | |
| CN204222317U (en) | A kind of colored zinc plated steel of resistance to fingerprint | |
| CN104971854A (en) | Combined cross grain roller coating technology | |
| CN203124205U (en) | Coating machine for producing wallpapers | |
| CN204912003U (en) | Thick plate is with high -efficient dust collector of energy -conserving environmental protection paint roller coat | |
| CN104593852B (en) | A kind of wood grain cathode electrophoretic coating technique of aluminium section bar | |
| CN104354385A (en) | Embossing enhanced PCM galvanized sheet | |
| CN204892296U (en) | Cleaning device for production line is rolled up to roller coat aluminium in advance | |
| CN105921353A (en) | Roll-coating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |