CN103977988A - Cleaning method for high-temperature component - Google Patents
Cleaning method for high-temperature component Download PDFInfo
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- CN103977988A CN103977988A CN201410190286.4A CN201410190286A CN103977988A CN 103977988 A CN103977988 A CN 103977988A CN 201410190286 A CN201410190286 A CN 201410190286A CN 103977988 A CN103977988 A CN 103977988A
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- parts
- cleaning
- rinsing
- temperature
- ultrasonic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
-
- 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
Abstract
The invention discloses a cleaning method for a high-temperature component. The cleaning method comprises the following steps: first, performing high-temperature rinsing on the high-temperature component; second, performing ultrasonic cleaning on the component which is subjected to the high-temperature rinsing; third, rinsing the component which is subjected to the ultrasonic cleaning in the second step by water; fourth, performing rust prevention treatment on the component which is rinsed by the water in the third step, and then performing conventional high-temperature-resistant paint spraying on the component by using high-temperature-resistant paint. By adopting the cleaning method disclosed by the invention, oil and impurities on the surface of the high-temperature component can be removed thoroughly; the paint spraying quality after the paint is sprayed on the component can be improved remarkably; the integrity and the attractiveness of the appearance are maintained; moreover, the phenomena of discoloring, cracking, bubbling, falling and the like of a paint film are avoided; meanwhile, the high-temperature resistance and the rust prevention performance of the paint film after the paint is sprayed on the component are improved.
Description
Technical field
The present invention relates to a kind of cleaning method of high temperature parts, particularly the cleaning method of the high temperature parts such as a kind of exhaust pipe of engine, vent connection before spraying heat resistance paint.
Background technology
The high temperature parts that use in industrial circle now, in order to strengthen its resistance to elevated temperatures and rustless property, conventionally at component surface spraying heat resistance paint, and parts must be cleaned before spraying heat resistance paint, just can improve the adhesive force of heat resistance paint on parts, and then heat-resisting quantity and the rustless property of increase paint film, therefore spray heat resistance paint cleaning method before and play a key effect at the aspect of performance that improves high temperature parts coating.But in industrial circle, traditional for high temperature parts, particularly the cleaning of the high temperature such as the exhaust pipe of engine, vent connection parts adopts the cleaning method of " oil removing → rinsing → drying up " more.That is, first parts are heated to 60-80 DEG C, then the cleaning fluid that is 5-8% with mass percent concentration spray cleaning 5-10 minute, complete oil removing, is after this heat water-spraying's rinsing 3 minutes of 40 DEG C-50 DEG C by temperature, finally dries up.After above-mentioned cleaning, re-use commercially available heat resistance paint, adopt this area conventional method to spray high temperature parts.
But adopt above-mentioned traditional cleaning method to have certain shortcoming.Because the surface of the parts such as blast pipe, vent connection is casting plane, surface roughness is poor and inhomogeneous, uneven, uses traditional cleaning can only clean the outer field greasy dirt of parts and impurity, cannot carry out degree of depth cleaning to coarse surface.Therefore, adopt the parts after traditional cleaning method cleans, clean not thorough, and carry out after heat resistance paint spraying after cleaning, spraying paint of spraying is of poor quality, paint film adhesion is poor, after test-run a machine paint film there is variable color, be full of cracks, the phenomenon such as bubble, come off, and heat-resisting quantity and rustless property do not reach requirement.
Summary of the invention
The problem existing for above conventional clean method, the invention provides a kind of before spraying heat resistance paint the cleaning method for high temperature parts, comprise that step is as follows:
The first step, carries out high-temperature rinsing by high temperature parts;
Second step, carries out ultrasonic cleaning by the parts after first step high-temperature rinsing;
The 3rd step, carries out water rinse by the parts after second step ultrasonic cleaning;
The 4th step, carries out antirust processing by the parts after the 3rd step water rinse, uses afterwards heat resistance paint to carry out routine spraying.
Preferably, in technique scheme, the high-temperature rinsing step described in the first step comprises high temperature parts at the temperature of 85 DEG C-95 DEG C, and the commercially available cleaning fluid of routine that service property (quality) percent concentration is 7-9% cleans, and scavenging period is 8-10 minute.Wherein, more preferably, can service property (quality) percent concentration be 8% the commercially available cleaning fluid of routine cleans, scavenging period be 10 minutes.
Preferably, in technique scheme, ultrasonic cleaning step described in second step comprises the parts after first step high-temperature rinsing at the temperature of 60 DEG C-70 DEG C, service property (quality) percent concentration is that the commercially available cleaning fluid of the routine of 5-6% cleans, scavenging period is 5-10 minute, and ultrasonic frequency is 26-28KHz.Wherein, more preferably, can service property (quality) percent concentration be 6% the commercially available cleaning fluid of routine cleans.More preferably, scavenging period is 10 minutes.More preferably, ultrasonic frequency is 28KHz.
Preferably, in technique scheme, after second step ultrasonic cleaning step, can further include the step of ultrasonic fine purifiation.By the parts after ultrasonic cleaning, at the temperature of 50 DEG C-60 DEG C, the commercially available cleaning fluid of routine that service property (quality) percent concentration is 3-5% cleans, scavenging period 3-5 minute, and ultrasonic frequency is 26-28KHz.Wherein, more preferably, can service property (quality) percent concentration be 5% the commercially available cleaning fluid of routine cleans.More preferably, scavenging period is 5 minutes.More preferably, ultrasonic frequency is 28KHz.
More preferably, after the step of above-mentioned ultrasonic fine purifiation, can also further carry out the step of ultrasonic rinsing.By the parts after ultrasonic fine purifiation, at the temperature of 30 DEG C-40 DEG C, the commercially available cleaning fluid of routine that service property (quality) percent concentration is 1-3% cleans, and scavenging period is 3-6 minute, and ultrasonic frequency is 26-28KHz.Wherein, more preferably, can service property (quality) percent concentration be 3% the commercially available cleaning fluid of routine cleans.More preferably, scavenging period is 6 minutes.More preferably, ultrasonic frequency is 28KHz.
Preferably, in technique scheme, the water rinse step described in the 3rd step is to use mobile running water to carry out rinsing parts, and rinsing time is 1-2 minute.Preferably, after the mobile running water of use carries out rinsing, can also further parts be used to the rinsing again of mobile pure water, rinsing time is 1-2 minute.
Preferably, in technique scheme, antirust treatment step described in the 4th step comprises the parts after above-mentioned water rinse, service property (quality) percent concentration is that the commercially available antirust solution of the routine of 2-2.5% soaks, soak time is 3-5 minute, and preferably, the antirust solution that service property (quality) percent concentration is 2.5% soaks, preferably, soak time is 5 minutes.
Preferably, in the processing of above-mentioned steps, all can adopt the concentration of refractometer detection cleaning fluid or antirust solution, so that the concentration of cleaning fluid or antirust solution remains in optimum concentration range.Can be according to cleaning fluid or the needed optium concentration of antirust solution, the reading of refractometer is set in corresponding scope, repeatedly clean or antirust processing after, the concentration of cleaning fluid or antirust solution can be diluted and not reach optium concentration, now, refractometer can detect that reading is not in the scope of setting, so can be by supplementing described cleaning fluid or antirust solution so that detect reading and remain in the scope of setting, thereby ensure that cleaning fluid or antirust solution maintain optium concentration.
Cleaning fluid of the present invention and antirust solution are commercially available obtaining, for example cleaning fluid model NR301 (Foshan Jin Tai Chemical Co., Ltd.), antirust solution model NR501 (Foshan Jin Tai Chemical Co., Ltd.).
Can adopt the method for this area routine to carry out heat resistance paint spraying through cleaning method of the present invention parts after treatment, can adopt oiliness heat resistance paint (for example HR603 type zero diopter high temperature lacquer), also can adopt aqueous high-temperature-resistant paint (for example NR601 type aqueous thermal-resistant coating), after spraying, obtain required high temperature parts.
Compared with prior art, adopt cleaning method of the present invention that parts are cleaned, and parts are carried out to routine spraying after cleaning, there is following beneficial effect:
1, component surface is thoroughly cleaned up: adopt cleaning method of the present invention, greasy dirt, the impurity of piece surface are thoroughly cleaned up, have exposed cast iron metal true qualities.
2, the quality of spraying paint of parts significantly improves, outward appearance is complete attractive in appearance: after adopting cleaning method of the present invention to clean parts and spraying paint, the phenomenon such as do not occur paint film variable color, be full of cracks, bubble, come off, has improved the image appearance of parts and has guaranteed the quality of spraying paint.
3, resistance to elevated temperatures improves: after adopting cleaning method of the present invention to clean parts and spraying paint, the resistance to elevated temperatures of parts has significantly improving in various degree.
4, rustless property improves: after adopting cleaning method of the present invention to clean parts and spraying paint, the rustless property of the parts under the same terms significantly improves.
Detailed description of the invention
Below the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of detailed description of the invention.
Embodiment 1. adopts cleaning method of the present invention clean parts and spray oiliness heat resistance paint
The present invention, taking high temperature parts such as the exhaust pipe of engine, supercharger volute, vent connections as example, proceeds as follows.
High-temperature rinsing.Get at random 25 above-mentioned parts, keep the pass mouth down of parts, be beneficial to draining, be placed on and clean in basket, every fault opening is put.The cleaning basket placing is put into high temperature service sink (60x80 Lin Tai company), put into mass percent concentration and be 7% NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.), heat to 85 DEG C, clean 8 minutes.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 6.5-9, supplements in time above-mentioned cleaning agent during lower than this reading, can reach good cleaning performance with the concentration that keeps cleaning fluid.
Ultrasonic cleaning.Parts after previous step high-temperature rinsing are placed in ultrasonic cleaning pond and carry out ultrasonic cleaning, maintain the temperature at 60 DEG C of left and right, the NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.) that service property (quality) percent concentration is 5%, cleans 5 minutes.Controlling hyperacoustic frequency is 26KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 5.5-8, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Ultrasonic fine purifiation.Temperature is adjusted to 50 DEG C of left and right, the NR301 type cleaning fluid that service property (quality) percent concentration is 3%, ultrasonic fine purifiation 3 minutes, ultrasonic frequency is 26KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 3.5-6, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Ultrasonic rinsing.By temperature and then be adjusted to 30 DEG C, the above-mentioned cleaning fluid that service property (quality) percent concentration is 1%, ultrasonic rinsing 3 minutes, ultrasonic frequency is 26KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains in the scope of 2.5-3, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Water rinse.Parts after above-mentioned ultrasonic rinsing are carried out to water rinse.Use mobile running water rinsing 1 minute.Re-use the rinsing 1 minute again of mobile pure water.
Finally the parts after water rinse are carried out to antirust processing.Service property (quality) percent concentration is 2% NR501 type antirust solution (Foshan Jin Tai Chemical Co., Ltd.) immersion, soak time 3 minutes.Every batch of employing refractometer (HT0-5 model) detects the concentration of antirust solution, controls refractometer reading and remains in the scope of 1.3-1.5, when lower than this reading, supplements in time described antirust solution, so that its concentration remains in optimum concentration range.
Use commercially available HR603 type zero diopter high temperature lacquer (American Forest high temperature lacquer company) to carry out heat resistance paint spraying (can spray with reference to the conventional spraying method of industrial part) with the spraying method of this area routine through above-mentioned steps parts after treatment, after spraying, obtain required high temperature parts.
Embodiment 2. adopts cleaning method of the present invention clean parts and spray aqueous high-temperature-resistant paint
The present invention, taking high temperature parts such as the exhaust pipe of engine, supercharger volute, vent connections as example, proceeds as follows.
High-temperature rinsing.Get at random 25 above-mentioned parts, keep the pass mouth down of parts, be placed on and clean in basket (with embodiment 1).The cleaning basket placing is put into high temperature service sink (60x80 Lin Tai company), put into mass percent concentration and be 9% NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.), heat to 95 DEG C, clean 10 minutes.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 6.5-9, during lower than this reading, supplements in time above-mentioned cleaning agent, can reach good cleaning performance with the concentration that keeps cleaning fluid.
Ultrasonic cleaning.Parts after previous step high-temperature rinsing are placed on and in ultrasonic cleaning pond, carry out ultrasonic cleaning, maintain the temperature at 70 DEG C of left and right, service property (quality) percent concentration is 6% NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.), and scavenging period is 10 minutes.Controlling hyperacoustic frequency is 28KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 5.5-8, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Ultrasonic fine purifiation.Temperature is adjusted to 60 DEG C of left and right, the NR301 type cleaning fluid that service property (quality) percent concentration is 5%, ultrasonic fine purifiation 5 minutes, ultrasonic frequency is 28KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains within the scope of 3.5-6, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Ultrasonic rinsing.By temperature and then be adjusted to 40 DEG C, the above-mentioned cleaning fluid that service property (quality) percent concentration is 3%, ultrasonic rinsing 6 minutes, ultrasonic frequency is 28KHz.Every batch of employing refractometer (HT0-5 model) detects the concentration of cleaning fluid, controls refractometer reading and remains in the scope of 2.5-3, when lower than this reading, supplements in time described cleaning agent, to keep its concentration can reach good cleaning performance.
Water rinse.Parts after above-mentioned ultrasonic rinsing are carried out to water rinse.Use mobile running water rinsing 2 minutes.Re-use the rinsing 2 minutes again of mobile pure water.
Finally the parts after water rinse are carried out to antirust processing.Service property (quality) percent concentration is 2.5% NR501 type antirust solution (Foshan Jin Tai Chemical Co., Ltd.) immersion, soak time 5 minutes.Every batch of employing refractometer (HT0-5 model) detects the concentration of antirust solution, controls refractometer reading in the scope of 1.3-1.5, when lower than this reading, supplements in time described antirust solution, so that its concentration remains in optimum concentration range.
Use commercially available NR601 type aqueous thermal-resistant coating (Foshan Jin Gete Co., Ltd) to carry out heat resistance paint spraying (can spray with reference to the conventional spraying method of industrial part) with the spraying method of this area routine through above-mentioned steps parts after treatment, after spraying, obtain required high temperature parts.
In order to further illustrate the beneficial effect of cleaning method of the present invention, below adopt the cleaning method of this area routine to clean high temperature parts (with embodiment 1 and 2), and compare respectively with adopting cleaning method of the present invention.
Comparative example 1. adopts conventional cleaning method clean parts and spray oiliness heat resistance paint
By the exhaust pipe of engine, supercharger volute, the high temperature parts such as vent connection carry out conventional cleaning operation.Get at random 25 of above-mentioned parts, keep part to close mouth down, be placed on and clean in basket, with convenient draining, (with embodiment 1 and 2) put in every fault opening.Cleaning basket is put into conventional cleaning machine (automatic rinser ZY-150), service property (quality) percent concentration is 5% NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.), heat to 60 DEG C, spray cleans 5 minutes, complete after oil removing, and then be heat water-spraying's rinsing 3 minutes of 40 DEG C by temperature, finally dry up the commercially available HR603 type of rear employing zero diopter high temperature lacquer (American Forest high temperature lacquer company), adopt conventional spraying method to spray (can spray with reference to the conventional spraying method of industrial part) to the high temperature parts after cleaning.
Comparative example 2. adopts conventional cleaning method clean parts and spray aqueous high-temperature-resistant paint
By the exhaust pipe of engine, supercharger volute, the hot parts such as vent connection carry out conventional cleaning operation.Get at random 25 of above-mentioned parts, keep part to close mouth down, be placed on and clean in basket, with convenient draining, (with embodiment 1 and 2) put in every fault opening.Cleaning basket is put into conventional cleaning machine (automatic rinser ZY-150), service property (quality) percent concentration is 8% NR301 type cleaning fluid (Foshan Jin Tai Chemical Co., Ltd.), heat to 80 DEG C, spray cleans 10 minutes, complete after oil removing, and then be heat water-spraying's rinsing 3 minutes of 50 DEG C by temperature, finally dry up the commercially available NR601 type of rear employing aqueous thermal-resistant coating (Foshan Jin Gete Co., Ltd) and adopt conventional spraying method to spray (can spray with reference to the conventional spraying method of industrial part) to the high temperature parts after cleaning.
After cleaning and clean high temperature parts, the cleaning method of above-mentioned employing cleaning method of the present invention and employing this area routine carries out conventional spraying operation, contrast respectively the outward appearance of parts and test its relevant performance, comparative result shows below shown in table:
* salt spray test is carried out according to (GB/T10125-1997 artificial atmosphere corrosion test salt spray test) experimental standard
From above result, the component surface that adopts cleaning method of the present invention to clean is thoroughly cleaned up, surface is without greasy dirt, free from admixture, parts present the true qualities of cast iron, and the component surface that adopts traditional conventional cleaning method to clean is coated with greasy dirt and impurity, cannot clean up, cannot see the true qualities of the cast iron of parts; After parts are sprayed, there is the phenomenon of depainting and foaming in the outward appearance of the parts that clean through conventional method, with even more serious (the requiring higher because water paint effects on surface is clean) of spraying water-based high temperature lacquer, the parts outward appearance of cleaning through cleaning method of the present invention is complete good, without bubble, also there is not the phenomenons such as de-piece in paint film, this has illustrated the parts that adopt cleaning method of the present invention to clean, and the quality of spraying paint that the quality of spraying paint after spraying paint is sprayed paint after compared with conventional clean significantly improves.High temperature resistant test result shows, the resistance to elevated temperatures of applying the paint film of the parts that spray paint again after cleaning method of the present invention cleans improves, compare the parts that spray paint again after traditional cleaning method cleans, there is variable color and obscission at 400 DEG C in its paint film, adopt cleaning method of the present invention to clean parts rear and that spray paint, its paint film can be high temperature resistant up to more than 800 DEG C, and the paint film appearance nondiscolouring of parts, non-foaming, do not come off.Salt mist experiment test result shows, the rustless property of the parts that adopt cleaning method of the present invention to clean and to spray paint is good, compare conventional method and clean parts rear and that spray paint, clean parts rear and that spray paint with method of the present invention, its rustless property significantly improves, the highest by 300 hours salt spray tests without obvious corrosion.
The aforementioned description to concrete exemplary of the present invention is in order to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (10)
1. a cleaning method for high temperature parts, is characterized in that, comprise the following steps,
The first step, carries out high-temperature rinsing by high temperature parts;
Second step, carries out ultrasonic cleaning by the parts after first step high-temperature rinsing;
The 3rd step, carries out water rinse by the parts after second step ultrasonic cleaning;
The 4th step, carries out antirust processing by the parts after the 3rd step water rinse, uses afterwards heat resistance paint to carry out conventional heat resistance paint spraying.
2. the cleaning method of high temperature parts according to claim 1, it is characterized in that, high-temperature rinsing described in the first step comprises high temperature parts at the temperature of 85 DEG C-95 DEG C, service property (quality) percent concentration is that the cleaning fluid of 7-9% cleans 8-10 minute, more preferably, service property (quality) percent concentration is 8% cleaning fluid, preferably, cleans 10 minutes.
3. the cleaning method of high temperature parts according to claim 1, it is characterized in that, the ultrasonic cleaning described in second step comprises the parts after first step high-temperature rinsing at the temperature of 60 DEG C-70 DEG C, the cleaning fluid that service property (quality) percent concentration is 5-6%, clean 5-10 minute, ultrasonic frequency is 26-28KHz, preferably, and the cleaning fluid that service property (quality) percent concentration is 6%, preferably, scavenging period is 10 minutes, and preferably, ultrasonic frequency is 28KHz.
4. the cleaning method of high temperature parts according to claim 3, is characterized in that, after second step Ultrasonic Cleaning, further comprise the step of ultrasonic fine purifiation, by the parts after ultrasonic cleaning at the temperature of 50 DEG C-60 DEG C, the cleaning fluid that service property (quality) percent concentration is 3-5%, clean 3-5 minute, ultrasonic frequency is 26-28KHz, preferably, and the cleaning fluid that service property (quality) percent concentration is 5%, preferably, scavenging period is 5 minutes, and preferably, ultrasonic frequency is 28KHz.
5. the cleaning method of high temperature parts according to claim 4, it is characterized in that, after described ultrasonic fine purifiation step, further comprise the step of ultrasonic rinsing, by the parts after ultrasonic fine purifiation at the temperature of 30 DEG C-40 DEG C, service property (quality) percent concentration is the cleaning fluid of 1-3%, scavenging period 3-6 minute, ultrasonic frequency is 26-28KHz, preferably, and the cleaning fluid that service property (quality) percent concentration is 3%, preferably, scavenging period is 6 minutes, and preferably, ultrasonic frequency is 28KHz.
6. the cleaning method of high temperature parts according to claim 1, is characterized in that, the water rinse step described in the 3rd step is to use mobile running water to carry out rinsing parts, and rinsing time is 1-2 minute.
7. the cleaning method of high temperature parts according to claim 6, is characterized in that, uses described mobile running water to carry out after rinsing, also further comprises described parts are used to the rinsing again of mobile pure water, and rinsing time is 1-2 minute.
8. the cleaning method of high temperature parts according to claim 1, it is characterized in that, antirust treatment step described in the 4th step comprises the parts after water rinse, service property (quality) percent concentration is that the antirust solution of 2-2.5% soaks, soak time 3-5 minute, preferably, the antirust solution that service property (quality) percent concentration is 2.5% soaks, preferably, soak time is 5 minutes.
9. according to the cleaning method of the high temperature parts described in claim 1-8 any one, it is characterized in that, described heat resistance paint is oiliness heat resistance paint or aqueous high-temperature-resistant paint.
10. according to the cleaning method of the high temperature parts described in claim 1-8 any one, it is characterized in that, adopt refractometer to detect control to the concentration of described cleaning fluid or antirust solution.
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| CN201410190286.4A CN103977988B (en) | 2014-05-07 | 2014-05-07 | A kind of cleaning method of high temperature parts |
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| CN201410190286.4A CN103977988B (en) | 2014-05-07 | 2014-05-07 | A kind of cleaning method of high temperature parts |
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| CN103977988A true CN103977988A (en) | 2014-08-13 |
| CN103977988B CN103977988B (en) | 2016-01-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107030584A (en) * | 2017-04-27 | 2017-08-11 | 安庆瑞钼特金属新材料有限公司 | Tungsten copper, molybdenum-copper alloy thin plate, the surface treatment method of foil part |
| CN107716443A (en) * | 2017-10-18 | 2018-02-23 | 源泰伟业汽车零部件有限公司 | End-of-life engine ultrasonic cleaning process |
| CN115463882A (en) * | 2022-10-19 | 2022-12-13 | 江苏欧亚铝业有限公司 | Cleaning method for automobile parts |
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| CN107716443A (en) * | 2017-10-18 | 2018-02-23 | 源泰伟业汽车零部件有限公司 | End-of-life engine ultrasonic cleaning process |
| CN115463882A (en) * | 2022-10-19 | 2022-12-13 | 江苏欧亚铝业有限公司 | Cleaning method for automobile parts |
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| Publication number | Publication date |
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| CN103977988B (en) | 2016-01-13 |
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