CN114392909A - Ultrathin spraying oil-free lubrication method for compressor bearing bush - Google Patents
Ultrathin spraying oil-free lubrication method for compressor bearing bush Download PDFInfo
- Publication number
- CN114392909A CN114392909A CN202210077202.0A CN202210077202A CN114392909A CN 114392909 A CN114392909 A CN 114392909A CN 202210077202 A CN202210077202 A CN 202210077202A CN 114392909 A CN114392909 A CN 114392909A
- Authority
- CN
- China
- Prior art keywords
- bearing bush
- compressor
- baking
- spraying
- lubrication method
- 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
- 238000005507 spraying Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005461 lubrication Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005488 sandblasting Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000003973 paint Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000012459 cleaning agent Substances 0.000 claims abstract description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 21
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 21
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 18
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 8
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2451/00—Type of carrier, type of coating (Multilayers)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Compressor (AREA)
- Lubricants (AREA)
Abstract
The invention discloses an ultrathin spraying oil-free lubrication method for a compressor bearing bush, which comprises the following steps: (1) cleaning a compressor bearing bush by using a cleaning agent; (2) removing oil stains on the surface of a compressor bearing bush; (3) putting the compressor bearing bush into a dust-free space for airing, and ensuring the surface of the compressor bearing bush to be dry; (4) performing primer sand blasting treatment on the surface of the compressor bearing bush dried in the step (3); (5) placing the bearing bush sprayed in the step (4) into a drying chamber for baking; (6) carrying out finish coat sand blasting treatment on the bearing bush baked in the step (5); (7) and (4) placing the bearing bush subjected to the sand blasting treatment of the finish paint in the step (6) into a drying chamber for baking. The lubricating process is simple, the spraying liquid has simple components and low cost, and the compressor bearing bush is well lubricated by ultrathin spraying.
Description
The application is a divisional application with application date of 2017, 03, 14 and application number of 201710148355.9, and is named as 'a method for lubricating bearing bush of compressor without oil'.
Technical Field
The invention relates to the technical field of compressors, in particular to an ultrathin spraying oil-free lubrication method for a compressor bearing bush.
Background
The compressor cylinder is not allowed to generate corrosion phenomena such as rusting and the like in the processing and assembling processes, and particularly a processing surface with higher precision requirement in the compressor, because the corrosion phenomena such as rusting and the like on the processing surface can reduce the processing precision of the cylinder; for the cylinder, which is a part that participates in sliding friction during operation, corrosion phenomena such as rust may even reduce the service life of the cylinder. However, the existing compressor is mainly made of iron casting, is in aerobic environment during working, and is very easy to generate corrosion phenomena such as rusting and the like. In the prior art, lubricating oil is generally added, so that the anti-rust effect can be realized to a certain extent, and meanwhile, the smoothness of the work of the compressor is ensured. However, the corrosion phenomena such as rusting and the like cannot be completely avoided by adding the lubricating oil, rust spots still appear in the cylinder, and the lubricating oil is polluted by falling off of a small amount of rust spots, so that the lubricating oil loses working performance, the lubricating oil needs to be replaced at a high frequency, the requirement on environmental development is not met, the running cost of the compressor is increased, and the economic requirement is not met.
Disclosure of Invention
The invention aims to provide an ultrathin spraying oil-free lubrication method for a compressor bearing bush, which can realize good lubrication of the compressor bearing bush, avoid corrosion phenomena such as rusting and the like, reduce the spraying thickness through ultrathin spraying, reduce the size error caused by expansion with heat and contraction with cold of a coating, improve the precision of a processing surface of a compressor and reduce the lubrication cost of the compressor bearing bush.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an ultrathin spraying oil-free lubrication method for a compressor bearing bush mainly comprises the following process steps:
(1) cleaning a compressor bearing bush by using a cleaning agent;
(2) removing oil stains on the surface of a compressor bearing bush;
(3) putting the compressor bearing bush into a dust-free space for airing, and ensuring that the surface of the compressor bearing bush is dry;
(4) carrying out primer sand blasting treatment on the surface of the dried compressor bearing bush, wherein the spraying liquid of the primer sand blasting treatment is a polytetrafluoroethylene mixture, and the spraying thickness is 10-12 microns;
(5) placing the bearing bush sprayed in the step (4) into a drying chamber for baking, wherein the baking temperature is 120-150 ℃, and the baking time is 8-12 minutes;
(6) carrying out finish paint sand blasting treatment on the bearing bush treated in the step (5), wherein the spraying liquid for the finish paint sand blasting treatment is a polytetrafluoroethylene mixture, and the spraying thickness is 8-10 microns;
(7) placing the bearing bush sprayed in the step (6) into a drying chamber for baking, wherein the baking temperature is 380-400 ℃, and the baking time is 10-15 minutes;
and (3) mixing the polytetrafluoroethylene mixture obtained in the step (4) and the step (6) by 80% of polytetrafluoroethylene liquid and 20% of molybdenum disulfide liquid.
Preferably, the spraying thickness of the polytetrafluoroethylene mixture in step (4) is 10 μm.
Preferably, the baking temperature of the step (5) is 150 ℃.
Preferably, the baking time of the step (5) is 8 minutes.
Preferably, the spraying thickness of the polytetrafluoroethylene mixture of step (6) is 8 μm.
Preferably, the baking temperature of the baking in the step (7) is 380 ℃.
Preferably, the baking time of the baking of the step (7) is 15 minutes.
The invention has the beneficial effects that: the lubricating process is simple, the components of the spraying liquid are simple, the cost is low, the good lubricating effect on the compressor bearing bush is realized through the ultrathin spraying, and the corrosion phenomena such as rusting and the like are avoided; the spraying thickness can be reduced through ultrathin spraying, the size error caused by expansion with heat and contraction with cold of the coating is reduced, and the precision of the processing surface of the compressor is improved; the lubricating cost of the bearing bush of the compressor can be reduced, the running economy of the compressor is improved, and the lubricating oil has good large-scale application prospect.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An oil-free lubrication method for a compressor bearing bush mainly comprises the following process steps:
(1) cleaning: cleaning a compressor bearing bush by using a cleaning agent;
(2) oil removal: removing oil stains on the surface of a compressor bearing bush;
(3) drying: putting the compressor bearing bush into a dust-free space for airing, and ensuring that the surface of the compressor bearing bush is dry;
(4) primary spraying: carrying out primer sand blasting treatment on the surface of the dried compressor bearing bush, wherein the sprayed liquid is a polytetrafluoroethylene mixture, and the spraying thickness is 10-12 um;
(5) primary baking: placing the bearing bush sprayed in the step (4) into a drying chamber, wherein the baking temperature is 120-150 ℃, and the baking time is 8-12 minutes;
(6) secondary spraying: carrying out finish paint sand blasting treatment on the bearing bush treated in the step (5), wherein the sprayed liquid is a polytetrafluoroethylene mixture, and the spraying thickness is 8-10 um;
(7) secondary baking: placing the bearing bush sprayed in the step (6) into a drying chamber, wherein the baking temperature is 380-400 ℃, and the baking time is 10-15 minutes;
in order to further optimize the technical scheme, the polytetrafluoroethylene mixture in the step (4) and the step (6) is formed by mixing 80% of polytetrafluoroethylene liquid and 20% of molybdenum disulfide liquid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. An ultrathin spraying oil-free lubrication method for a compressor bearing bush is characterized by comprising the following steps:
(1) cleaning a compressor bearing bush by using a cleaning agent;
(2) removing oil stains on the surface of a compressor bearing bush;
(3) putting the compressor bearing bush into a dust-free space for airing, and ensuring that the surface of the compressor bearing bush is dry;
(4) performing primer sand blasting treatment on the surface of the compressor bearing bush dried in the step (3), wherein the spraying liquid used in the primer sand blasting treatment is a polytetrafluoroethylene mixture, and the spraying thickness is 10-12 microns;
(5) placing the bearing bush sprayed in the step (4) into a drying chamber for primary baking, wherein the primary baking temperature is 120-150 ℃, and the primary baking time is 8-12 minutes;
(6) carrying out finish paint sand blasting treatment on the bearing bush treated in the step (5), wherein the spraying liquid used for the finish paint sand blasting treatment is a polytetrafluoroethylene mixture, and the spraying thickness is 8-10 microns;
(7) placing the bearing bush subjected to the secondary spraying in the step (6) into a drying chamber for secondary baking, wherein the temperature of the secondary baking is 380-400 ℃, and the time of the secondary baking is 10-15 minutes;
and (3) mixing the polytetrafluoroethylene mixture obtained in the step (4) and the step (6) by 80% of polytetrafluoroethylene liquid and 20% of molybdenum disulfide liquid.
2. The ultra-thin spray oil-free lubrication method for the bearing shell of the compressor as claimed in claim 1, wherein the spray thickness of the polytetrafluoroethylene mixture in the step (4) is 10 μm.
3. The ultra-thin spray oil-free lubrication method for the bearing shell of the compressor as claimed in claim 1, wherein the baking temperature in the step (5) is 150 ℃.
4. The ultra-thin spray oil-free lubrication method for the bearing shell of the compressor as claimed in claim 1, wherein the baking time of the step (5) is 8 minutes.
5. The ultra-thin spray oil-free lubrication method for the bearing shell of the compressor as claimed in claim 1, wherein the spray thickness of the polytetrafluoroethylene mixture in the step (6) is 8 μm.
6. The ultra-thin spray oil-free lubrication method for the compressor bearing shell according to claim 1, wherein the baking temperature of the baking in the step (7) is 380 ℃.
7. The ultra-thin spray oil-free lubrication method for the compressor bearing shell according to claim 1 or 6, wherein the baking time of the baking in the step (7) is 15 minutes.
8. The ultrathin lubrication layer prepared by the ultrathin spraying oil-free lubrication method of the bearing shell of the compressor as claimed in any one of claims 1 to 7, wherein the ultrathin lubrication layer comprises a polytetrafluoroethylene mixture primer layer sprayed on the surface of the bearing shell and a polytetrafluoroethylene mixture finish layer sprayed on the surface of the polytetrafluoroethylene mixture primer layer, the thickness of the polytetrafluoroethylene mixture primer layer is 10 to 12 μm, and the thickness of the polytetrafluoroethylene mixture finish layer is 8 to 10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077202.0A CN114392909A (en) | 2017-03-14 | 2017-03-14 | Ultrathin spraying oil-free lubrication method for compressor bearing bush |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148355.9A CN106881256A (en) | 2017-03-14 | 2017-03-14 | A kind of oil-free lubrication method of bearing liner for compressor |
| CN202210077202.0A CN114392909A (en) | 2017-03-14 | 2017-03-14 | Ultrathin spraying oil-free lubrication method for compressor bearing bush |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710148355.9A Division CN106881256A (en) | 2017-03-14 | 2017-03-14 | A kind of oil-free lubrication method of bearing liner for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114392909A true CN114392909A (en) | 2022-04-26 |
Family
ID=59181107
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210077202.0A Pending CN114392909A (en) | 2017-03-14 | 2017-03-14 | Ultrathin spraying oil-free lubrication method for compressor bearing bush |
| CN201710148355.9A Pending CN106881256A (en) | 2017-03-14 | 2017-03-14 | A kind of oil-free lubrication method of bearing liner for compressor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710148355.9A Pending CN106881256A (en) | 2017-03-14 | 2017-03-14 | A kind of oil-free lubrication method of bearing liner for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114392909A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187991A (en) * | 2018-02-01 | 2018-06-22 | 成都乘风阀门有限责任公司 | A kind for the treatment of process of cock surface spraying PTFE coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849311A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院兰州化学物理研究所 | Method for preparing solid lubricant coating on copper base bearing bush |
| CN104893502A (en) * | 2015-06-08 | 2015-09-09 | 烟台大丰轴瓦有限责任公司 | Bearing bush coating and spraying technique thereof |
| CN104893450A (en) * | 2015-06-08 | 2015-09-09 | 烟台大丰轴瓦有限责任公司 | Bearing bush coating material and spraying technique thereof |
| CN105032745A (en) * | 2015-06-08 | 2015-11-11 | 烟台大丰轴瓦有限责任公司 | Method for reinforcing coating on surface of bearing bush alloy layer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216530B (en) * | 2013-04-11 | 2015-10-14 | 上海亿霖润滑材料有限公司 | A kind of bearing shell |
| CN104879385B (en) * | 2015-06-08 | 2018-03-30 | 烟台大丰轴瓦有限责任公司 | A kind of spraying coating process of the coating of bearing shell containing molybdenum disulfide |
-
2017
- 2017-03-14 CN CN202210077202.0A patent/CN114392909A/en active Pending
- 2017-03-14 CN CN201710148355.9A patent/CN106881256A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849311A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院兰州化学物理研究所 | Method for preparing solid lubricant coating on copper base bearing bush |
| CN104893502A (en) * | 2015-06-08 | 2015-09-09 | 烟台大丰轴瓦有限责任公司 | Bearing bush coating and spraying technique thereof |
| CN104893450A (en) * | 2015-06-08 | 2015-09-09 | 烟台大丰轴瓦有限责任公司 | Bearing bush coating material and spraying technique thereof |
| CN105032745A (en) * | 2015-06-08 | 2015-11-11 | 烟台大丰轴瓦有限责任公司 | Method for reinforcing coating on surface of bearing bush alloy layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106881256A (en) | 2017-06-23 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220426 |