CN1850351A - Electrostatic powder coating technology for tool surface treatment - Google Patents
Electrostatic powder coating technology for tool surface treatment Download PDFInfo
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- CN1850351A CN1850351A CN 200610040532 CN200610040532A CN1850351A CN 1850351 A CN1850351 A CN 1850351A CN 200610040532 CN200610040532 CN 200610040532 CN 200610040532 A CN200610040532 A CN 200610040532A CN 1850351 A CN1850351 A CN 1850351A
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- powder coating
- instrument
- electrostatic powder
- tool surfaces
- coating process
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Abstract
The present invention relates to an electrostatic powder spray-coating process for making tool surface treatment. Said process includes the following several steps: 1, degreasing tool; 2, hanging the tool in powder-spraying chamber, making electrostatic powder spray-coating; 3, standing still for 2-3 min, then heating to 180-190 deg.C in backing oven, heat-insulating for 25-30 min, cooling and laking out the tool from baking oven; and 4, metalworking or polishing treatment.
Description
Technical field
The present invention relates to a kind of process of surface treatment of instrument, is a kind of electrostatic powder coating process that is used for tool surfaces specifically.
Background technology
Present domestic explosion-proof instrument does not generally carry out surface treatment, direct marketing after polishing.The general employing of the surface treatment of carbon steel forging tools sprayed paint, and turns blue, methods such as blackout or plating.Spraying paint of surface of the work generally carried out under field conditions (factors),, make workpiece in use easily because of rubbing, be subjected to external force collision to fall to coat with lacquer mutually, thereby influence product appearance, shorten the antirust cycle because the adhesive force of paint is low; Workpiece through turning blue, turn black and handling, can play antirust effect though (be generally 2-3 month) in a short time, but still can get rusty because of oxidation easily takes place workpiece surface, and environment is abominable during this technology practical operation, turn blue, hair blackening liquid will prepare specially, operating personnel need possess certain professional knowledge; For electroplating technology, have also that stoste will be prepared specially, operating personnel need possess certain professional knowledge, problems such as severe operational environment, the phenomenon that also exists coating easily to become piece to peel off simultaneously through friction, operation.
Summary of the invention
The technical problem to be solved in the present invention is exactly that the prior art severe operational environment, the raw material that exist need special preparation, complicated operation, the tool after treatment surface exists easily to fall coat with lacquer, easily peels off, easily oxidation, easily get rusty and should not long preservation, defective such as transportation.
For solving the problems of the technologies described above, the present invention can adopt following two kinds of technical schemes:
Technical scheme 1 is used for the surface treatment to the carbon steel forging tools, comprises the steps:
1) tool surfaces being carried out decontamination handles;
2) instrument is suspended in the powder spraying chamber, instrument is carried out electrostatic powder coating;
3) after tranquillization 2-3 divides kind instrument sent into baker insulation 25-30 minute of heating after 180-190 ℃, cooling is come out of the stove then.
Technical scheme 2 is used for the surface treatment to explosion-proof instrument, and the difference of itself and technical scheme 1 is also to comprise step 4) after the step 3): metalworking or polishing step.
The present invention has following advantage:
1, simple to operate, the relative health of working environment, pollution-free;
2, the oxidation resistance on tool after treatment surface is strong, damage resistant, wear-resisting wiping, fire-resistant, anti-corrosion, antirust;
3, tool after treatment is convenient to long-term storage, transportation;
4, increased the aesthetics of tool surfaces.
The specific embodiment
The invention will be further described below in conjunction with the specific embodiment
Embodiment 1, is used for carbon steel forging tools surface-treated electrostatic powder coating process
At first to instrument polish, sandblasting pretreatment, eliminate spots such as tool surfaces oxide layer and greasy dirt, then workpiece is hung in the powder spraying chamber on the rotatable device, the distance between the workpiece keeps 250-300mm.
By the air pressure principle, with uncharged green insulator in the powder tube---thermosetting epoxy resin mixed type powder is static electrification after electrostatic generator (0-100KV) is handled, static value is selected 40 ± 5KV, with the manual spray gun that is connected in electrostatic generator and powder tube the mixed type powder of static electrification is sprayed onto surface of the work and absorption equably, the powder that is scattered recycles through retracting device.The indoor whirligig of rotary spraying in spraying guarantees that the workpiece that is sprayed can be uniformly sprayed; The powder membrane thickness of surface of the work is 0.4 ± 0.1mm, will spray good workpiece after tranquillization 2-3 minute and hang on the coaster of baker and enter baker then.According to the workpiece size, selecting to heat is incubated 25-30 minute (specifically seeing Table 1) after 180-190 ℃, and cooling is come out of the stove then, and surface of the work is green.
Table 1:
| Tool length | Instrument thickness | The temperature of heating | Temperature retention time |
| Below the 300mm | Below the 10mm | 180℃ | 25min |
| 300-500mm | 10-20mm | 185℃ | 28min |
| More than the 500mm | More than the 20mm | 190℃ | 30min |
Embodiment 2, are used for explosion-proof instrument surface-treated electrostatic powder coating process
The surface treatment electrostatic powder coating process of explosion-proof instrument and the surface treatment electrostatic powder coating process and the associated process conditions of carbon steel forging tools are basic identical, difference is that epoxy polyester mixed type powder is for red, need again through metalworking or polishing after the instrument cooling, making instrument contact-making surface in actual use is the metal true qualities, to be unlikely the explosion-proof performance of the instrument of influence itself.Opening portion and plane, spanner both sides as open-end wrench all should be polished, and the double offset ring spanner internal diameter needs through metalworking, and the both sides end needs through polishing etc.
Claims (6)
1, is used for the electrostatic powder coating process that tool surfaces is handled, it is characterized in that comprising the steps:
1) tool surfaces being carried out decontamination handles;
2) instrument is suspended in the powder spraying chamber, instrument is carried out electrostatic powder coating;
3) after tranquillization 2-3 divides kind instrument sent into baker insulation 25-30 minute of heating after 180-190 ℃, cooling is come out of the stove then.
2, as claimed in claim 1ly be used for the electrostatic powder coating process that tool surfaces is handled, it is characterized in that also comprising after the step 3) step 4): metalworking or polishing step.
3, the electrostatic powder coating process that is used for the tool surfaces processing as claimed in claim 1 or 2, it is characterized in that instrument should hang on the interior rotatable device of powder spraying chamber, at time marquis's rotary spraying indoor whirligig of spraying, guarantee that the instrument that is sprayed can be uniformly sprayed tool surfaces.
4, the electrostatic powder coating process that is used for the tool surfaces processing as claimed in claim 1 or 2, the distance that it is characterized in that being suspended between the instrument in the powder spraying chamber should keep the 250-300 millimeter.
5, the electrostatic powder coating process that is used for the tool surfaces processing as claimed in claim 1 or 2 is characterized in that the used material of electrostatic powder coating is a heat curing-type epoxy polyester mixed type powder.
6, the electrostatic powder coating process that is used for the tool surfaces processing as claimed in claim 1 or 2 is characterized in that the membrane thickness of instrument after the spraying of static powder bundle is 0.4 ± 0.1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610040532 CN1850351A (en) | 2006-05-23 | 2006-05-23 | Electrostatic powder coating technology for tool surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610040532 CN1850351A (en) | 2006-05-23 | 2006-05-23 | Electrostatic powder coating technology for tool surface treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1850351A true CN1850351A (en) | 2006-10-25 |
Family
ID=37131862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610040532 Pending CN1850351A (en) | 2006-05-23 | 2006-05-23 | Electrostatic powder coating technology for tool surface treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1850351A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920623A (en) * | 2009-06-12 | 2010-12-22 | 五邑大学 | Processing method of steel frame part bamboo-like textures of steel furniture |
| CN102950101A (en) * | 2011-08-18 | 2013-03-06 | 扬州三叶散热器有限公司 | Surface powder spraying anti-corrosion process of radiator iron member for engineering machinery |
-
2006
- 2006-05-23 CN CN 200610040532 patent/CN1850351A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920623A (en) * | 2009-06-12 | 2010-12-22 | 五邑大学 | Processing method of steel frame part bamboo-like textures of steel furniture |
| CN101920623B (en) * | 2009-06-12 | 2013-04-17 | 五邑大学 | Processing method of steel frame part bamboo-like textures of steel furniture |
| CN102950101A (en) * | 2011-08-18 | 2013-03-06 | 扬州三叶散热器有限公司 | Surface powder spraying anti-corrosion process of radiator iron member for engineering machinery |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |