CN114146995A - Method for cleaning bearing ring - Google Patents
Method for cleaning bearing ring Download PDFInfo
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- CN114146995A CN114146995A CN202111438073.5A CN202111438073A CN114146995A CN 114146995 A CN114146995 A CN 114146995A CN 202111438073 A CN202111438073 A CN 202111438073A CN 114146995 A CN114146995 A CN 114146995A
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- cleaning
- bearing ring
- hydrocarbon
- cleaning agent
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
A bearing ring cleaning method relates to a bearing ring cleaning method. The cleaning method aims to solve the problems that the cleaning quality of the bearings and parts cleaned by 180# aviation cleaning gasoline is poor and potential safety hazards exist. The method comprises the following steps: and (3) carrying out ultrasonic cleaning and dehydration cleaning on the bearing ring by using a dehydrated hydrocarbon cleaning agent, then carrying out primary degassing ultrasonic cleaning and secondary degassing ultrasonic cleaning by using a hydrocarbon cleaning agent, recovering the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent, and cooling the bearing ring to finish the process. The invention adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent to clean, meets the cleaning requirement before the submission of the ferrule parts, and has the cleaning performance equivalent to or higher than that of 180# aviation washing gasoline. The cleaning quality is high, no harm is caused to human bodies, and the safety production is guaranteed. The invention is suitable for cleaning the bearing ring.
Description
Technical Field
The invention relates to a method for cleaning a bearing ring.
Background
Aiming at improving the cleanliness control capability of an aircraft engine, the cleanliness grade control requirement of a bearing is the most strict, a certain gap exists between the actual cleanliness level and the cleanliness grade control requirement of the bearing at present, and the development of the cleanliness control of the bearing and parts is very important. At present, 180# aviation washing gasoline is one of the earliest traditional cleaning agents, has the advantages of wide cleaning range, good effect, low price and the like, but has the fatal weakness, flammability and explosiveness (the flash point is-9-10 ℃) are main problems limiting the use of the cleaning agent, transportation and storage are extremely dangerous, the cleaning agent is not suitable for cleaning machines and ultrasonic cleaning, the gasoline cleaning is forbidden to be used abroad, and China is gradually eliminated.
The national gasoline substitution work is comprehensively developed, the product types of military enterprises are multiple, the working procedures are complex, the inspection and control working procedures are multiple, the difficulty is increased for the work of replacing the traditional 180# gasoline, novel high-flash-point solvent type environment-friendly and safe media are developed and applied, and the cleaning process route is improved to replace the 180# gasoline and is used for cleaning aviation bearings and parts.
At present, bearings and parts are cleaned by 180# aviation washing gasoline before submission, the using amount is large, the bearings and the parts are cleaned by pure manual cleaning, the cleaning quality is poor in consistency, the cleanliness level is low, and potential safety hazards exist.
Disclosure of Invention
The invention provides a bearing ring cleaning method for solving the problems of poor cleaning quality and potential safety hazard of cleaning a bearing and parts by using 180# aviation washing gasoline.
The bearing ring cleaning method comprises the following steps:
firstly, carrying out ultrasonic cleaning on a bearing ring by adopting a dehydrated hydrocarbon cleaning agent;
step two, dehydrating and cleaning the bearing ring cleaned in the step one by adopting a dehydrated hydrocarbon cleaning agent;
thirdly, performing primary degassing ultrasonic cleaning on the bearing ring cleaned in the second step by using a hydrocarbon cleaning agent;
step four, carrying out secondary degassing ultrasonic cleaning on the bearing ring cleaned in the step three by adopting a hydrocarbon cleaning agent;
step five, recovering the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent adopted for cleaning in the step one to the step four;
and step six, cooling the bearing ring to finish the process.
The invention has the beneficial effects that:
1. the invention adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent for cleaning, the ultrasonic cleaning can meet the cleaning requirement before the submission of the ferrule parts, and the cleaning performance is equivalent to or higher than that of 180# aviation cleaning gasoline.
2. The bearing ring cleaned by the method is checked for visual appearance and cleanliness, the cleaning quality is high, and the cleanliness grade meets the condition that the weight of pollutants per square centimeter is less than or equal to 2 mg.
3. The invention adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent, which are not flammable and explosive products, has no harm to human bodies and ensures safe production.
Drawings
FIG. 1 is a bearing ring before cleaning in example 1;
FIG. 2 shows the cleaned bearing ring of example 1.
Detailed Description
The technical scheme of the invention is not limited to the specific embodiments listed below, and any reasonable combination of the specific embodiments is included.
The first embodiment is as follows: the method for cleaning the bearing ring of the embodiment comprises the following steps:
firstly, carrying out ultrasonic cleaning on a bearing ring by adopting a dehydrated hydrocarbon cleaning agent;
step two, dehydrating and cleaning the bearing ring cleaned in the step one by adopting a dehydrated hydrocarbon cleaning agent;
thirdly, performing primary degassing ultrasonic cleaning on the bearing ring cleaned in the second step by using a hydrocarbon cleaning agent;
step four, carrying out secondary degassing ultrasonic cleaning on the bearing ring cleaned in the step three by adopting a hydrocarbon cleaning agent;
step five, recovering the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent adopted for cleaning in the step one to the step four;
and step six, cooling the bearing ring to finish the process.
The embodiment has the following beneficial effects:
1. the method adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent for cleaning, the ultrasonic cleaning can meet the cleaning requirement before the submission of the ferrule parts, and the cleaning performance is equivalent to or higher than 180# aviation washing gasoline.
2. The bearing ring cleaned by the method of the embodiment is inspected for visual appearance and cleanliness, the cleaning quality is high, and the cleanliness grade meets the condition that the weight of pollutants per square centimeter is less than or equal to 2 mg.
3. The dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent adopted by the embodiment do not belong to flammable and explosive products, and are harmless to human bodies, so that the safety production is guaranteed.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: and step one, the ultrasonic cleaning time is 60-180 s.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: and step two, the time for dehydration and cleaning is 60-180 s.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: thirdly, the time for the primary degassing ultrasonic cleaning is 120-360 seconds; the primary degassing ultrasonic cleaning is carried out under a negative pressure of 10 mbar.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: and fourthly, the secondary degassing ultrasonic cleaning time is 120-360 s, and the secondary degassing ultrasonic cleaning is carried out under negative pressure of 10 mbar.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: and fifthly, recovering by vacuum distillation for 240-360 seconds.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: and sixthly, the cooling time is 220-300 s.
The specific implementation mode is eight: the present embodiment differs from one of the first to seventh embodiments in that: the dehydrated hydrocarbon cleaning agent in the first step and the dehydrated hydrocarbon cleaning agent in the second step consists of 10% of water, 1% of dehydrating agent and 89% of hydrocarbon cleaning agent by mass fraction.
The specific implementation method nine: the present embodiment differs from the first to eighth embodiments in that: c is the hydrocarbon cleaning agentnH2n+2And n is 10 to 12.
Example 1:
the bearing ring cleaning method of the embodiment is carried out according to the following steps:
firstly, carrying out ultrasonic cleaning on a bearing ring by adopting a dehydrated hydrocarbon cleaning agent; the ultrasonic cleaning time is 60-180 s;
step two, dehydrating and cleaning the bearing ring cleaned in the step one by adopting a dehydrated hydrocarbon cleaning agent; the dehydration cleaning time is 60-180 s;
thirdly, performing primary degassing ultrasonic cleaning on the bearing ring cleaned in the second step by using a hydrocarbon cleaning agent; the primary degassing ultrasonic cleaning time is 120-360 s; the primary degassing ultrasonic cleaning is carried out under negative pressure, and the pressure is 10 mbar;
step four, carrying out secondary degassing ultrasonic cleaning on the bearing ring cleaned in the step three by adopting a hydrocarbon cleaning agent; the secondary degassing ultrasonic cleaning is carried out under negative pressure, and the pressure is 10 mbar; the secondary degassing ultrasonic cleaning time is 120-360 s;
step five, recovering the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent adopted for cleaning in the step one to the step four; the vacuum distillation recovery is adopted during the recovery, and the time is 240-360 seconds;
sixthly, cooling the bearing ring to finish the process; the cooling time is 220-300 s;
: the dehydrated hydrocarbon cleaning agent in the first step and the dehydrated hydrocarbon cleaning agent in the second step consists of 10% of water, 1% of dehydrating agent and 89% of hydrocarbon cleaning agent by mass fraction.
C is the hydrocarbon cleaning agentnH2n+2N is 10-12;
the embodiment adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent for cleaning, the ultrasonic cleaning can meet the cleaning requirement before the submission of the ferrule parts, and the cleaning performance is equal to or higher than 180# aviation washing gasoline. The bearing ring cleaned by the method is checked for visual appearance and cleanliness, the cleaning quality is high, and the cleanliness grade meets the condition that the weight of pollutants per square centimeter is less than or equal to 2 mg. The implementation adopts the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent, which are not flammable and explosive products, and have no harm to human bodies, thereby ensuring safe production. FIG. 1 is a bearing ring before cleaning in example 1; FIG. 2 shows the cleaned bearing ring of example 1. As can be seen from comparison between fig. 1 and fig. 2, the residues of dirt, emulsifier, etc. in the bearing ring hole before cleaning are completely removed, and the cleanliness of the bearing ring is significantly improved.
Claims (9)
1. A bearing ring cleaning method is characterized in that: the bearing ring cleaning method comprises the following steps:
firstly, carrying out ultrasonic cleaning on a bearing ring by adopting a dehydrated hydrocarbon cleaning agent;
step two, dehydrating and cleaning the bearing ring cleaned in the step one by adopting a dehydrated hydrocarbon cleaning agent;
thirdly, performing primary degassing ultrasonic cleaning on the bearing ring cleaned in the second step by using a hydrocarbon cleaning agent;
step four, carrying out secondary degassing ultrasonic cleaning on the bearing ring cleaned in the step three by adopting a hydrocarbon cleaning agent;
step five, recovering the dehydrated hydrocarbon cleaning agent and the hydrocarbon cleaning agent adopted for cleaning in the step one to the step four;
and step six, cooling the bearing ring to finish the process.
2. The method of cleaning a bearing ring according to claim 1, wherein: and step one, the ultrasonic cleaning time is 60-180 s.
3. The method of cleaning a bearing ring according to claim 1, wherein: and step two, the time for dehydration and cleaning is 60-180 s.
4. The method of cleaning a bearing ring according to claim 1, wherein: thirdly, the time for the primary degassing ultrasonic cleaning is 120-360 seconds; the primary degassing ultrasonic cleaning is carried out under a negative pressure of 10 mbar.
5. The method of cleaning a bearing ring according to claim 1, wherein: fourthly, the secondary degassing ultrasonic cleaning time is 120-360 s; the secondary degassing ultrasonic cleaning is carried out under a negative pressure of 10 mbar.
6. The method of cleaning a bearing ring according to claim 1, wherein: and fifthly, recovering by vacuum distillation for 240-360 seconds.
7. The method of cleaning a bearing ring according to claim 1, wherein: and sixthly, the cooling time is 220-300 s.
8. The method of cleaning a bearing ring according to claim 1, wherein: the dehydrated hydrocarbon cleaning agent in the first step and the dehydrated hydrocarbon cleaning agent in the second step consists of 10% of water, 1% of dehydrating agent and 89% of hydrocarbon cleaning agent by mass fraction.
9. The method of cleaning a bearing ring according to claim 1, wherein: c is the hydrocarbon cleaning agentnH2n+2And n is 10 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438073.5A CN114146995B (en) | 2021-11-29 | 2021-11-29 | Bearing ring cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438073.5A CN114146995B (en) | 2021-11-29 | 2021-11-29 | Bearing ring cleaning method |
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| CN114146995A true CN114146995A (en) | 2022-03-08 |
| CN114146995B CN114146995B (en) | 2023-09-12 |
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| CN202111438073.5A Active CN114146995B (en) | 2021-11-29 | 2021-11-29 | Bearing ring cleaning method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463896A (en) * | 2022-09-22 | 2022-12-13 | 哈尔滨轴承集团有限公司 | Improved process for ultrasonic cleaning of bearing ring |
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| CN109127581A (en) * | 2018-10-25 | 2019-01-04 | 苏州市洁力美工业设备有限公司 | A kind of efficient hydrocarbon cleaning machine and cleaning method |
| CN110523695A (en) * | 2019-08-19 | 2019-12-03 | 重庆迈纳姆智能装备研究院有限公司 | A kind of Multifunctional cleaning device |
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2021
- 2021-11-29 CN CN202111438073.5A patent/CN114146995B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626054A1 (en) * | 1985-07-10 | 1987-06-25 | Waelzlager Normteile Veb | Process and device for the ultrasonic cleaning of rotationally symmetrical series parts |
| WO1993004755A1 (en) * | 1991-08-30 | 1993-03-18 | Kabushiki Kaisha Toshiba | Method and device for draining-washing, and concentration type filter used therefor |
| JPH09212571A (en) * | 1996-01-30 | 1997-08-15 | Funai Electric Co Ltd | Information reading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463896A (en) * | 2022-09-22 | 2022-12-13 | 哈尔滨轴承集团有限公司 | Improved process for ultrasonic cleaning of bearing ring |
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|---|---|
| CN114146995B (en) | 2023-09-12 |
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