CN105057882A - Laser method for removing paint on autobody - Google Patents
Laser method for removing paint on autobody Download PDFInfo
- Publication number
- CN105057882A CN105057882A CN201510523408.1A CN201510523408A CN105057882A CN 105057882 A CN105057882 A CN 105057882A CN 201510523408 A CN201510523408 A CN 201510523408A CN 105057882 A CN105057882 A CN 105057882A
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- laser
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- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A laser method for removing a paint on an autobody comprises the following four steps: step 1: performing cutting to obtain an impaired painted workpiece; step 2: performing cleaning and air-drying to obtain a clean painted workpiece, particularly, sequentially cleaning the surface of the painted workpiece with a chemical solution and deionized water and performing air-drying; step 3: performing laser processing to obtain a fresh workpiece from which the paint is removed, particularly, placing the painted workpiece on a worktable of a nanosecond laser processing system, setting laser parameters, starting up the laser processing system, utilizing a vibrating mirror to scan to enable laser to scan a workpiece board at a pre-determined speed to obtain a fresh section from which the paint is removed; and step 4: performing cleaning simply to obtain a surface-textured end-product workpiece to be painted, particularly, sucking dust from the surface to obtain the surface-textured end-product workpiece to be painted. The laser method realizes semi-automatic removal of the paint on the autobody and can effectively reduce the auto beautification and maintenance cost while improving the efficiency.
Description
Technical field
The present invention relates to a kind of laser means removing body of a motor car paint, it is that a kind of nanosecond laser straight-writing system that utilizes carries out processing the method removing body paint to needing the region of removing paint, the method can be applied to car detailing maintenance, automobile green high-efficient reparation and manufacture field again.
Background technology
Laser is as brand-new materials processing processing method, play the role of an innovation point, it represent the developing direction of advanced manufacturing industry, greatly improve the technical merit of traditional manufacture, bring the dramatic change of product design, manufacturing process and production idea.Laser new technology that laser Removal Technology grew up as nearly ten years, is playing in increasing industry and is more importantly acting on.Laser cleaning is that a kind of high energy laser beam that adopts irradiates surface of the work, makes the dirt on surface, rust staining or coating generation flash evapn or stripping, does not change or damaging substrate material property simultaneously, thus reach the technical process of clean surface.
Re-manufacturing technology can repair waste product, guarantees that product quality, life-span and performance reach the standard of new product.Cleaning technique, as the prerequisite of re-manufacturing technology, occupies critical role in whole manufacture process again, and cleaning parts quality will directly affect the quality manufactured a product again.Conventional clean technology, as chemistry removal, mechanical grinding etc., because easily causing stress corrosion cracking (SCC), is introduced new pollutant, is removed uneven and the problems such as efficiency is low, wayward operation and aggravation environmental pollution.And laser cleaning is a kind of " green " cleaning method, have without the need to using any chemical agent and cleaning fluid, do not produce secondary pollution, without grinding and untouchable process, various types of pollutants of various material surface can be removed, reach conventional cleaning be beyond one's reach cleannes, to wash efficiency high, the advantage such as to save time.The technical advantage of laser well solves conventional art development Problems existing, also imply that laser technology will replace the trend of conventional art.
In China, automobile has become instrument indispensable in people's life, and the thing followed is exactly the rising all the way of automobile quantity.According to Ministry of Public Security's traffic administration office data, within 2013, China's automobile pollution has reached 1.37 hundred million, and private car has total amount and also breaks hundred million first, and automobile total quantity reaches 5.7 times of automobile quantity in 2003.The auto industry of develop rapidly certainly will be brought huge development potentiality and space from sale of automobile to automobile maintenance.Daily and the regular maintaining of automobile, mainly comprise clean, repair, check, adjustment, the aspect such as fastening, lubrication.Because body of a motor car paint is outside exposed, be easily scratched breakage, this makes the reparation of body of a motor car paint maintenance become a large important component part of car detailing.
It is as follows that flow process repaired by the body of a motor car paint of current extensive employing: sand papering → pothole fills up → dry → again polishing → pothole fill up → air-dry → other positions are protected → are sprayed paint.Whole process also exists following defect: (1) technique is loaded down with trivial details, wastes time and energy; (2) manual polishing cannot ensure bodywork surface uniform force, causes polishing effect to be guaranteed; (3) need cleaning in bruting process, cause water resource waste; (4) cost of labor constantly increases.Above multiple negative factor causes current paint repair process to there is the defect being difficult to avoid, and therefore laser Removal Technology becomes a kind of rationally effective alternative means.
Summary of the invention
The invention provides a kind of laser means removing body of a motor car paint, innovatively laser Removal Technology is applied to remove body of a motor car paint, meanwhile obtain the microstructure strengthening surface adhesion, the method can be applied to car detailing maintenance, automobile green high-efficient reparation and manufacture field again.
Flow process of the present invention as shown in Figure 1.Wherein 1 is the painting workpieces that cutting obtains surface damage wound; 2 is the clean painting workpiece obtained after surfactant washing; 3 is the workpiece of surperficial paint to be cleaned after laser (comprising spot light and line source) is removed; 4 is clean for obtaining after laser cleaning, and surface is by the painting workpieces of texturing.
Remove a laser means for body of a motor car paint, the method concrete steps are as follows:
Step one: cutting obtains damaging painting workpieces;
Step 2: cleaning, the air-dry painting workpieces obtaining cleaning; Be specially and successively chemical solution cleans is carried out to painting workpieces surface, washed with de-ionized water, air-dry.
Step 3: Laser Processing obtains the fresh workpiece after removing paint; Be specially painting workpieces is placed in nanosecond laser system of processing workbench on, setting laser parameter, start laser-processing system, utilize vibration mirror scanning that laser is strafed at a predetermined velocity on work plate, obtain remove paint after fresh cross section.
Step 4: easy clean, obtains surface by the finished work-piece to be painted of texturing.Be specially absorption surface dust, obtain surface by the finished work-piece to be painted of texturing.
Wherein, the solution of the cleaning fluid of chemical solution cleans described in step 2 to be alkyl and fatty alcohol ether compound be main component is watered the surface activity liquid of rear preparation.
Wherein, in laser processing procedure described in step 3, LASER Light Source can be spot light or line source; Setting laser device parameter is as follows: power P=10 ~ 100W, pulse width τ=0 ~ 30ns, frequency f=0 ~ 100kHz, wavelength X=532 ~ 1064nm, I=30 ~ 100A, υ=0 ~ 2000mm/s, number of repetition n=10 time.
Wherein, absorbing surface dust device therefor described in step 4 is small-power induced-draught fan.
The invention has the advantages that:
(1) the method utilizes high energy beam pulse laser clean surface to damage painting workpieces, without fuel factor to matrix not damaged;
(2) the method utilizes high energy beam laser cleaning surface damage painting workpieces, effectively can improve the removal effect of body of a motor car surface paint, obtain clean cross section;
(3) the method reaches general applicability to different colours car paint by regulating laser parameter;
(4) this method avoid a large amount of water effects on surface that uses to clean, avoid water resource waste, there is not the problem of wastewater treatment, recycling;
(5) the method is without the need to washing after laser completes removal, and the clean surface obtained has certain roughness, and surface, by texturing, is conducive to realizing matrix in spraying process and the good adhesive force that sprays paint again;
(6) the method realizes semi-automation removal body paint, effectively reduces car detailing maintenance cost while can raising the efficiency.
Accompanying drawing illustrates:
Fig. 1 is the inventive method flow chart.
Fig. 2-1 is laser direct writing system schematic diagram (spot light).
Fig. 2-2 is laser direct writing system schematic diagram (line sources).
Fig. 3 is workpiece interface after Laser Processing.
Fig. 4 is workpiece interface microstructure after Laser Processing.
Fig. 5 is workpiece interface three-dimensional appearance after Laser Processing.
Fig. 6 is workpiece interface surface profile after Laser Processing.
Detailed description of the invention:
As shown in Fig. 1-Fig. 6, below in conjunction with the drawings and specific embodiments, the invention will be further described.But the protection domain of the application is not by the restriction of the actual conditions of these embodiments.
As shown in Figure 1, a kind of laser means removing body of a motor car paint disclosed by the invention, the method concrete steps are as follows:
Step one: cutting obtains damaging painting workpieces;
Step 2: cleaning, the air-dry painting workpieces obtaining cleaning; Be specially and successively chemical solution cleans is carried out to painting workpieces surface, washed with de-ionized water, air-dry.
Step 3: Laser Processing obtains the fresh workpiece after removing paint; Be specially painting workpieces is placed in nanosecond laser system of processing workbench on, setting laser parameter, start laser-processing system, utilize vibration mirror scanning that laser is strafed with certain speed on work plate, obtain remove paint after fresh cross section.
Step 4: easy clean, obtains surface by the finished work-piece to be painted of texturing.Be specially absorption surface dust, obtain surface by the finished work-piece to be painted of texturing.
Wherein, the cleaning fluid of chemical solution cleans described in step 2 is alkyl and fatty alcohol ether compound is that group wants the solution preparation surfactant of composition to be watered, and prepares surface activating solution.
Wherein, in step 3, LASER Light Source is spot light or line source.It is as follows that laser parameter is set: power P=10 ~ 100W, pulse width τ=0 ~ 30ns, frequency f=0 ~ 100kHz, wavelength X=532 ~ 1064nm, I=30 ~ 100A, υ=0 ~ 2000mm/s, number of repetition n=10 time.
Wherein, absorbing surface dust device therefor described in step 4 is small-power induced-draught fan.
Embodiment 1
(1) cutting obtains damaging painting workpieces;
(2) get workpiece to be repaired, be placed in previously prepared surface activating solution, adopt ultrasonic vibration, washed with de-ionized water, air-dry.
(3) sample is placed on the workbench of PX series nanosecond laser system of processing (using the green glow configuration of 532nm wavelength) of Edgewave company, arranging laser power is 20W, frequency is 10KHz, electric current 60A, sweep speed is 1000mm/s, number of repetition n=10 time, arranging Scanning size is 5mm × 5mm, starts laser system and starts processing.
(4) utilize small-sized air intake device, remove the particle of surface of the work, take off the rear workpiece of processing, surface of the work is by texturing.
Embodiment 2
(1) cutting obtains damaging painting workpieces;
(2) get workpiece to be repaired, be placed in previously prepared surface activating solution, adopt ultrasonic vibration, washed with de-ionized water, air-dry.
(3) sample is placed on the workbench of PX series nanosecond laser system of processing (using the green glow configuration of 532nm wavelength) of Edgewave company, arranging laser power is 20W, frequency is 10KHz, electric current 60A, sweep speed is 500mm/s, number of repetition n=10 time, arranging Scanning size is 5mm × 5mm, starts laser system and starts processing.
(4) utilize small-sized air intake device, remove the particle of surface of the work, take off the rear workpiece of processing, surface of the work is by texturing.
Embodiment 3
(1) cutting obtains damaging painting workpieces;
(2) get workpiece to be repaired, be placed in previously prepared surface activating solution, adopt ultrasonic vibration, washed with de-ionized water, air-dry.
(3) sample is placed on the workbench of PX series nanosecond laser system of processing (using the green glow configuration of 532nm wavelength) of Edgewave company, arranging laser power is 20W, frequency is 10KHz, electric current 60A, sweep speed is 1000mm/s, number of repetition n=10 time, and adjustment galvanometer makes Laser output be line source, arranging Scanning size is 5mm × 5mm, starts laser system and starts processing.
(4) utilize small-sized air intake device, remove the particle of surface of the work, take off the rear workpiece of processing, surface of the work is by texturing.
It is finally noted that the object publicizing and implementing example is to help to understand the present invention further, but it will be appreciated by those skilled in the art that: without departing from the spirit and scope of the invention and the appended claims, various substitutions and modifications are all possible.Therefore, the present invention should not be limited to the content disclosed in embodiment, and the scope that the scope of protection of present invention defines with claims is as the criterion.
Claims (4)
1. remove a laser means for body of a motor car paint, it is characterized in that: the method concrete steps are as follows:
Step one: cutting obtains damaging painting workpieces;
Step 2: cleaning, the air-dry painting workpieces obtaining cleaning, is specially and carries out chemical solution cleans successively to painting workpieces surface, washed with de-ionized water, air-dry;
Step 3: Laser Processing obtains the fresh workpiece after removing paint, be specially painting workpieces is placed in nanosecond laser system of processing workbench on, setting laser parameter, start laser-processing system, utilize vibration mirror scanning that laser is strafed at a predetermined velocity on work plate, obtain the fresh cross section after removing paint;
Step 4: easy clean, obtains surface by the finished work-piece to be painted of texturing, is specially absorption surface dust, obtains surface by the finished work-piece to be painted of texturing.
2. a kind of laser means removing body of a motor car paint according to claim 1, is characterized in that: the solution of the cleaning fluid of chemical solution cleans described in step 2 to be alkyl and fatty alcohol ether compound be main component is watered the surface activity liquid of rear preparation.
3. a kind of laser means removing body of a motor car paint according to claim 1, it is characterized in that: in laser processing procedure described in step 3, LASER Light Source is spot light or line source; Setting laser device parameter is as follows: power P=10 ~ 100W, pulse width τ=0 ~ 30ns, frequency f=0 ~ 100kHz, wavelength X=532 ~ 1064nm, I=30 ~ 100A, υ=0 ~ 2000mm/s, number of repetition n=10 time.
4. a kind of laser means removing body of a motor car paint according to claim 1, is characterized in that: absorbing surface dust device therefor described in step 4 is small-power induced-draught fan.
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| CN201510523408.1A CN105057882B (en) | 2015-08-24 | 2015-08-24 | A kind of laser means for removing body of a motor car paint |
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| CN201510523408.1A CN105057882B (en) | 2015-08-24 | 2015-08-24 | A kind of laser means for removing body of a motor car paint |
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| CN105057882B CN105057882B (en) | 2017-09-26 |
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Cited By (5)
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| CN105598587A (en) * | 2016-03-23 | 2016-05-25 | 昆山宝锦激光拼焊有限公司 | Method for removing coating of hot-rolled steel sheet by virtue of ultra-short pulse laser galvanometer |
| CN105935837A (en) * | 2016-05-30 | 2016-09-14 | 湖北工业大学 | Laser texturing method for improving adhesive force of surface of weathering resistant steel |
| CN106001928A (en) * | 2016-05-09 | 2016-10-12 | 四川大学 | Selection method of laser parameters of laser paint removal |
| CN106001008A (en) * | 2016-06-21 | 2016-10-12 | 上海临仕激光科技有限公司 | Laser cleaning method for marine paint |
| CN106976440A (en) * | 2017-04-11 | 2017-07-25 | 沈阳理工大学 | Vehicle laser paint removal derusting work station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598587A (en) * | 2016-03-23 | 2016-05-25 | 昆山宝锦激光拼焊有限公司 | Method for removing coating of hot-rolled steel sheet by virtue of ultra-short pulse laser galvanometer |
| CN106001928A (en) * | 2016-05-09 | 2016-10-12 | 四川大学 | Selection method of laser parameters of laser paint removal |
| CN105935837A (en) * | 2016-05-30 | 2016-09-14 | 湖北工业大学 | Laser texturing method for improving adhesive force of surface of weathering resistant steel |
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| CN106976440A (en) * | 2017-04-11 | 2017-07-25 | 沈阳理工大学 | Vehicle laser paint removal derusting work station |
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| CN105057882B (en) | 2017-09-26 |
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Inventor after: Guan Yingchun Inventor after: Ma Chengpeng Inventor before: Guan Yingchun Inventor before: Sun Rujian |