CN110281084B - Grinding and polishing method for paint layer on surface of airplane - Google Patents
Grinding and polishing method for paint layer on surface of airplane Download PDFInfo
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- CN110281084B CN110281084B CN201910667641.5A CN201910667641A CN110281084B CN 110281084 B CN110281084 B CN 110281084B CN 201910667641 A CN201910667641 A CN 201910667641A CN 110281084 B CN110281084 B CN 110281084B
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- polishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding and polishing method for a paint layer on the outer surface of an airplane, which comprises the following steps: cleaning the surface of a paint layer to be polished; respectively bonding 1000-mesh, 2000-mesh and 3000-mesh fine sand paper on a polishing disc of a pneumatic eccentric wheel polisher to polish the surface of a paint layer for the first time, the second time and the third time; removing dust on the polishing area and the peripheral surface; respectively sticking a coarse wool ball and a fine wool ball on a polishing head of a pneumatic polishing machine, and respectively dipping coarse polishing wax and fine polishing wax to polish the surface of a grinding area; and detecting after polishing, wherein the glossiness value is not lower than 90. Compared with the prior art, the method for grinding and polishing the paint layer on the outer surface of the airplane removes the defects of surface dust particles and orange peel through the pneumatic eccentric wheel grinder, so that the original luster of the surface of the airplane is exposed, and polishes the polished area by adopting the pneumatic polisher so as to meet the requirement of surface paint; the method is simple in operation mode, and avoids the loss of labor cost of enterprises caused by large-area reworking.
Description
Technical Field
The invention relates to the field of aircraft maintenance, in particular to a method for grinding and polishing a paint layer on the outer surface of an aircraft.
Background
The aircraft exterior spraying process is generally characterized in that after the aircraft exterior finish paint is sprayed, after a dry film is cured on the paint layer, the surface of the paint layer has the defects of orange peel, a few dust particles, sagging and the like, and the common measures generally adopted for the problems are reworking, so that the effect is not ideal, and the phenomenon of reworking is occasionally caused, however, no other method is used for guiding workers to make up for the aircraft maintenance according to reference data. As customers demand ever higher aircraft appearance, aircraft exterior painting processes necessarily need to be upgraded and improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for grinding and polishing a paint layer on the outer surface of an airplane aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for grinding and polishing a paint layer on the outer surface of an airplane comprises the following steps:
the method comprises the following steps: cleaning the surface of a paint layer to be polished;
step two: bonding 1000-mesh fine sand paper on a polishing disc of a pneumatic eccentric wheel polisher to polish the surface of a paint layer for the first time;
step three: replacing 2000-mesh fine sand paper on a polishing disc of the pneumatic eccentric wheel polisher to polish the surface of the paint layer for the second time;
step four: the polishing disc of the pneumatic eccentric wheel polisher is replaced with 3000-mesh fine sand paper to polish the surface of the paint layer for the third time;
step five: after finishing the polishing work, removing dust on the polishing area and the peripheral surface;
step six: sticking a coarse wool ball on a polishing head of a pneumatic polishing machine, dipping coarse polishing wax to perform primary polishing on the surface of a grinding area;
step seven: replacing a polishing head of the pneumatic polishing machine with a fine wool ball, dipping fine polishing wax to polish the first polishing area for the second time;
step eight: and finally, checking whether the surface of the paint layer is uniformly polished or not by obliquely observing the side surface of the machine body at 45 degrees, measuring the surface of the paint layer by using a glossiness measuring instrument, repeating the seven steps if a matte or low-glossiness area exists, and finally removing residual polishing wax by using a clean lint-free cotton rag.
In the first step, lint-free cotton cloth is dipped in a cleaning solution to wipe the surface to be polished, wherein the cleaning solution is a mixed solution of the CEE-BEE280 airplane cleaning agent and water in a ratio of 1: 10-30.
Wherein, pneumatic eccentric wheel polisher adopts the pneumatic polisher of the ROS550DB125mm model of the Milka company of Finland.
The second step, the third step and the fourth step are uniformly polished by a pneumatic eccentric wheel polisher, the polishing is performed back and forth in the horizontal direction and then in the vertical direction, the polishing radius is 1/3 of the area of a region to be polished, the defects of dust particles and orange peel on the surface of a gray paint layer are mainly removed in the polishing process in the second step, the original glossiness of the surface of the paint layer is lost, and the thickness of the removed paint layer measured by a commercial paint layer thickness gauge is not more than 2.5 micrometers; step three, further polishing the polishing area in the step two, wherein the polisher for the non-defective area reciprocates 3 times, and a commercial paint layer thickness gauge is used for measuring the thickness of the removed paint layer after polishing to be not more than 1.5 micrometers; and step four, further polishing the polishing area in the step three, wherein the polisher for the non-defective area reciprocates 3 times, and the thickness of the polished paint layer is measured by using a commercial paint layer thickness gauge to be less than 1 micrometer.
And in the fifth step, dust on the polished area and the periphery is blown off by an air gun, and the dust on the surface of the polished area is lightly wiped by a 1027 type dust sticking cloth of 3M company until the dust on the surface of the polished area is completely removed.
Wherein, the pneumatic polishing machine adopts a STANDARD ORBIT 3/16 inch polishing machine of SNAP-ON company in America.
And in the sixth step, the coarse wool ball is a 05711 type coarse wool ball manufactured by 3M company, and the polishing wax is G3E124 type polishing wax manufactured by Farecla company.
And in the seventh step, 05713 type fine wool balls from 3M company are adopted as the fine wool balls, and Farecla G3F101 type polishing wax from Farecla company is adopted as the polishing wax.
Wherein in the eighth step, the gloss value is not lower than 90 when the surface of the paint layer is measured by using a 60-degree gloss measuring instrument.
Compared with the prior art, the method for grinding and polishing the paint layer on the outer surface of the airplane removes the defects of surface dust particles and orange peel through the pneumatic eccentric wheel grinder, so that the original luster of the surface of the airplane is exposed, and polishes the polished area by adopting the pneumatic polisher so as to meet the requirement of surface paint; the method is simple in operation mode, and avoids the loss of labor cost of enterprises caused by large-area reworking.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
A method for grinding and polishing a paint layer on the outer surface of an airplane comprises the following steps:
the method comprises the following steps: cleaning the surface of a paint layer to be polished, wherein in the first step, lint-free cotton cloth is dipped in a cleaning solution to be polished, and the cleaning solution is a mixed solution of CEE-BEE280 airplane cleaning agent and water in a ratio of 1: 10-30.
Step two: and (3) bonding 1000-mesh fine sand paper on a polishing disc of the pneumatic eccentric wheel polisher to polish the surface of a paint layer to be polished for the first time.
Step three: and replacing 2000-mesh fine sand paper on a polishing disc of the pneumatic eccentric wheel polisher to polish the surface of the paint layer for the second time.
Step four: the polishing disc of the pneumatic eccentric wheel polisher is replaced with 3000-mesh fine sand paper to polish the surface of the paint layer for the third time;
the pneumatic eccentric wheel polisher is a pneumatic polisher of ROS550DB125mm type of Milan MIRKA company, Finland, wherein in the second step, the third step and the fourth step, the pneumatic eccentric wheel polisher is used for polishing at a constant speed, the polishing radius is 1/3 of the area of a region to be polished, dust particles and orange peel defects on the surface of a gray paint layer are mainly removed in the polishing process in the second step, the original glossiness of the surface of the paint layer is lost, and the thickness of the removed paint layer measured by a commercial paint layer thickness gauge is not more than 2.5 micrometers; step three, further polishing the polishing area in the step two, wherein the polisher for the non-defective area reciprocates 3 times, and a commercial paint layer thickness gauge is used for measuring the thickness of the removed paint layer after polishing to be not more than 1.5 micrometers; and step four, further polishing the polishing area in the step three, wherein the polisher for the non-defective area reciprocates 3 times, and the thickness of the polished paint layer is measured by using a commercial paint layer thickness gauge to be less than 1 micrometer.
Step five: and after finishing the polishing work, removing dust on the surface of the polishing area and the periphery, wherein in the fifth step, an air gun is adopted to blow off the dust on the surface of the polishing area and the periphery, and a 1027 type dust sticking cloth of 3M company is used for lightly wiping the dust until the dust on the surface of the polishing area is completely removed.
Step six: and adhering a coarse wool ball to a polishing head of a pneumatic polishing machine, dipping coarse polishing wax to polish the surface of the grinding area for the first time, wherein the pneumatic polishing machine adopts a STANDARD ORBIT 3/16 inch polishing machine of SNAP-ON company in America, in the sixth step, the coarse wool ball adopts a 05711 type coarse wool ball of 3M company, and the polishing wax adopts G3E124 type polishing wax of Fareca company.
Step seven: and replacing a polishing head of a pneumatic polishing machine with a fine wool ball, dipping fine polishing wax to polish the first polishing area for the second time, wherein the pneumatic polishing machine adopts a STANDARD ORBIT 3/16 inch polishing machine of SNAP-ON company in America, the fine wool ball adopts 05713 type fine wool ball of 3M company in the seventh step, and the polishing wax adopts Farecla G3F101 type polishing wax of Farecla company.
Step eight: and finally, checking whether the surface of the paint layer is uniformly polished or not by observing the 45-degree oblique view of the side face of the machine body, measuring the surface of the paint layer by using a glossiness measuring instrument, repeating the seven steps if a matte or low-glossiness area exists, and finally removing residual polishing wax by using a clean lint-free cotton rag, wherein the surface of the paint layer is measured by using a 60-degree glossiness measuring instrument in the eighth step, and the glossiness value is not lower than 90.
The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.
Claims (9)
1. A grinding and polishing method for a paint layer on the outer surface of an airplane is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: cleaning the surface of a paint layer to be polished;
step two: bonding 1000-mesh fine sand paper on a polishing disc of a pneumatic eccentric wheel polisher to polish the surface of a paint layer for the first time;
step three: replacing 2000-mesh fine sand paper on a polishing disc of the pneumatic eccentric wheel polisher to polish the surface of the paint layer for the second time;
step four: the polishing disc of the pneumatic eccentric wheel polisher is replaced with 3000-mesh fine sand paper to polish the surface of the paint layer for the third time;
step five: after finishing the polishing work, removing dust on the polishing area and the peripheral surface;
step six: sticking a coarse wool ball on a polishing head of a pneumatic polishing machine, dipping coarse polishing wax to perform primary polishing on the surface of a grinding area;
step seven: replacing a polishing head of the pneumatic polishing machine with a fine wool ball, dipping fine polishing wax to polish the first polishing area for the second time;
step eight: finally, checking, namely observing whether the surface of the paint layer is uniformly polished or not by 45-degree oblique vision on the side surface of the machine body, measuring the surface of the paint layer by using a glossiness measuring instrument, repeating the seven steps if a region with no glossiness or low glossiness exists, and finally removing residual polishing wax by using a clean lint-free cotton rag;
and step two, step three and step four, grinding at a constant speed by using a pneumatic eccentric wheel grinding machine, wherein the grinding is carried out back and forth in the horizontal direction and then in the vertical direction, and the grinding radius is 1/3 of the area to be ground.
2. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: in the first step, the non-fluffy cotton cloth is dipped in a cleaning solution to wipe the surface to be polished, wherein the cleaning solution is a mixed solution of CEE-BEE280 airplane cleaning agent and water in a ratio of 1: 10-30.
3. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: the pneumatic eccentric wheel sander is a pneumatic sander of model ROS550DB125mm, MIRKA, Finland.
4. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: in the polishing process, mainly removing dust particles and orange peel defects on the surface of the grey paint layer, only removing the original glossiness of the surface of the paint layer, and measuring the thickness of the removed paint layer after polishing by using a commercial paint layer thickness gauge to be not more than 2.5 micrometers; step three, further polishing the polishing area in the step two, wherein the polisher for the non-defective area reciprocates 3 times, and a commercial paint layer thickness gauge is used for measuring the thickness of the removed paint layer after polishing to be not more than 1.5 micrometers; and step four, further polishing the polishing area in the step three, wherein the polisher for the non-defective area reciprocates 3 times, and the thickness of the polished paint layer is measured by using a commercial paint layer thickness gauge to be less than 1 micrometer.
5. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: and in the fifth step, dust on the polished area and the periphery is blown off by an air gun, and the dust on the surface of the polished area is completely removed by lightly wiping the polished area by a 1027 type dust sticking cloth of 3M company.
6. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: the pneumatic polisher is a STANDARD ORBIT 3/16 inch polisher available from SNAP-ON, USA.
7. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: and in the sixth step, the coarse wool ball is a 05711 type coarse wool ball manufactured by 3M company, and the polishing wax is G3E124 type polishing wax manufactured by Farecla company.
8. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: and in the seventh step, the fine wool ball is 05713 type fine wool ball manufactured by 3M company, and the polishing wax is Farecla G3F101 type polishing wax manufactured by Farecla company.
9. An aircraft exterior paint layer sanding method as defined in claim 1, wherein: and step eight, measuring the surface of the paint layer by using a 60-degree gloss measuring instrument, wherein the gloss value is not lower than 90.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910667641.5A CN110281084B (en) | 2019-07-23 | 2019-07-23 | Grinding and polishing method for paint layer on surface of airplane |
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| CN201910667641.5A CN110281084B (en) | 2019-07-23 | 2019-07-23 | Grinding and polishing method for paint layer on surface of airplane |
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| CN110281084A CN110281084A (en) | 2019-09-27 |
| CN110281084B true CN110281084B (en) | 2021-07-16 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114750003A (en) * | 2022-04-19 | 2022-07-15 | 中国航发动力股份有限公司 | Part surface local paint removing method, system and equipment |
| CN115008035A (en) * | 2022-07-14 | 2022-09-06 | 东莞市柏群电子科技有限公司 | Laser etching process based on fitness equipment product |
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| US7316604B1 (en) * | 2005-12-16 | 2008-01-08 | Global Aero Services, Inc. | Aircraft transparency polisher and/or surface refinisher |
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| CN108970914A (en) * | 2018-08-14 | 2018-12-11 | 晨龙飞机（荆门）有限公司 | A kind of automatic machinery people of airframe part touch-up paint reparation |
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2019
- 2019-07-23 CN CN201910667641.5A patent/CN110281084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7316604B1 (en) * | 2005-12-16 | 2008-01-08 | Global Aero Services, Inc. | Aircraft transparency polisher and/or surface refinisher |
| CN205552200U (en) * | 2016-03-16 | 2016-09-07 | 东莞市春草研磨科技有限公司 | Multistation linkage burnishing and polishing equipment |
| CN107627609A (en) * | 2017-09-21 | 2018-01-26 | 广州形优科技有限公司 | Process of surface treatment |
| CN107571366A (en) * | 2017-10-24 | 2018-01-12 | 苏州西玛家具股份有限公司 | A kind of fire resisting baking varnish door preparation technology |
| CN107971910A (en) * | 2017-10-25 | 2018-05-01 | 中国电子科技集团公司第十六研究所 | A kind of mirror processing method for the square Dewar aluminium alloy plate of low-temperature receiver |
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| CN110281084A (en) | 2019-09-27 |
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