CN115741245A - Method for repairing deep scratches on automobile paint surface - Google Patents
Method for repairing deep scratches on automobile paint surface Download PDFInfo
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- CN115741245A CN115741245A CN202211457564.9A CN202211457564A CN115741245A CN 115741245 A CN115741245 A CN 115741245A CN 202211457564 A CN202211457564 A CN 202211457564A CN 115741245 A CN115741245 A CN 115741245A
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Abstract
The invention relates to the technical field of automobile repair, in particular to a method for repairing deep scratches of an automobile paint surface. The method for repairing the deep scratches of the automobile finish comprises the following steps: the method comprises the steps of (1) judging scratch types, (2) grinding the base, (3) preparing car paint, (4) cleaning burrs, namely paint slag, (5) repairing paint bottom, (6) grinding for the second time, (7) curing, (8) grinding for the third time, and (9) polishing. According to the method for repairing the deep scratches of the automobile paint surface, a novel paint-spraying-free repairing process is obtained by reasonably improving the repairing method, the repairing area is small, collapse of the paint surface at the groove positions of scratches after polishing is avoided, the repairing surface is flat, and the repairing time is greatly shortened.
Description
Technical Field
The invention relates to the technical field of automobile repair, in particular to a method for repairing deep scratches of an automobile paint surface.
Background
The automobile deep scratch means that not only the clear paint layer and the colored paint layer are penetrated, but also the primer layer is scraped through. At present, the repair of the deep scratches is generally solved by re-painting, the deep scratches are completely sprayed and completely treated in a large-area range of the vehicle body, the mode is labor-consuming and time-consuming, after the repair is completed, the deep scratches can be well repaired, but the large-area vehicle surface part near the deep scratches is treated, so that the complete paint surface of an original vehicle is damaged, and the guarantee value of the vehicle is difficult to realize during the secondary sale of subsequent vehicles. Therefore, when the scratch of the existing automobile is repaired, the repair area and the repair time are reduced while the scratch wound is perfected as much as possible, and the repair of the scratch of the automobile is generally pursued.
In order to avoid repairing scratches by large-area spray painting, reports and propaganda of paint-free repairing methods are gradually appeared in the prior art, but the repairing effect is limited, particularly the paint-free repairing flatness is low, and the repairing effect is reduced. In the development process of a paint-free repair technology, a paint-free repair process for automobile moderate and severe scratches is disclosed in CN 110293041A, a specific repair method is mentioned more comprehensively, however, the repair time of the process is still longer; in addition, because the repair method is used for point-repairing the vehicle paint containing the varnish into the scratched groove at one time, the paint is in limited contact with the scratched groove during one-time paint repairing, the problems of unreality and incomplete contact with the scratched groove can exist, and the problem of sinking can occur after subsequent polishing; in addition, the lacquer thickness of once only mending is dark, the solidification is difficult to dry thoroughly, also the sunken reason appears, prior art is for avoiding not completely leading to the fact sunken, the point is mended to the certain thickness that is higher than former car lacquer painting when mending the point, so through the sunken decline of follow-up convex thickness in order to compensate the sunken shortcoming that probably appears, however, sunken degree of collapse and point mend and height and the shape of the height that exceeds after polishing can not guarantee the complete coincidence, the sunken problem that follow-up lacquer painting subsides and forms still is difficult to avoid.
Disclosure of Invention
The invention relates to a method for repairing deep scratches of an automobile paint surface, which obtains a novel paint-spraying-free repairing process by reasonably improving a repairing method, has small repairing area, avoids the collapse of the paint surface at the groove positions of scratches after polishing, has flat repairing surface, greatly shortens the repairing time and solves the problems in the prior art.
The technical scheme adopted by the invention is as follows:
a method for repairing deep scratches of an automobile finish comprises the following operation steps:
(1) Scratch type determination
Dipping a clean rag with a degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, and spraying water containing 10% of detergent on the scratch, wherein if the scratch disappears, the scratch belongs to a moderate scratch, and if the scratch does not disappear, the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch with No. 2000 water inlet abrasive paper, wherein the scratch is 6mm-15mm away from the periphery;
(3) Prepared vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the following color: curing agent: the weight ratio of the diluent = 1;
(4) Cleaning burr and paint slag
The tool nose is used for scratching along the upper edge and the lower edge of the scratch twice, burrs generated at the periphery of the scratch and paint residues at the bottom of the scratch are removed, an inner groove of the scratch is polished, and then clean cloth is used for dipping degreasing agent for cleaning;
(5) Repair paint bottom
Dipping the vehicle paint prepared in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the scratch groove polished in the step (4), adding color paint to cover the part with the exposed primer, wherein the part cannot be higher than the paint surface, and baking for 5 minutes by using a far infrared baking lamp until the paint is completely dried;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so as to avoid the colored paint outside the groove from influencing the flatness of the paint surface;
(7) Curing
Coating UV varnish on the scratch groove, waiting for 1-2 minutes after the first coating, observing the scratch position, if the scratch is deep, spotwise coating the dent part again until the dent position is filled, and irradiating the coating part for 30 seconds to 1 minute by using a UV lamp;
(8) Three times of polishing
Scraping the scratched part with eye-filling ash, and then polishing the spot-coated varnish part with 2000# waterproof abrasive paper again, so as to not polish the varnish-free part until polishing is smooth;
(9) Polishing of
Firstly, uniformly coating polishing wax on a wool disc of a polishing machine, polishing sand paper marks at a low speed within a range of 2.5-3.5cm around scratches, and then polishing dazzling grains and polishing a bright surface by using a sponge disc polishing machine.
Further, the step (2) grinds the range of 10mm around the scratch.
Further, the curing agent in the step (3) is a standard curing agent AR3000, and the diluent is a standard diluent BT56# diluent.
Further, the inner groove of the grinding scratch in the step (4) is V-shaped.
Further, in the step (9), sand paper marks are thrown off around the scratches by using low speed of 1000-1200 r/min and pressure of 3-5N.
Further, the oil removing agent in the step (1) and the step (4) is a Fucus oil removing agent.
The invention has the beneficial effects that:
according to the repairing method, the repairing steps and the detailed operation are reasonably improved, a novel paint-spraying-free repairing process is obtained, the repairing time is greatly shortened, the repairing can be completed in 1-2 hours, and the lifting speed of a customer is increased; the repair area is small, which is beneficial to the value maintenance of the vehicle; the collapse of the lacquer painting at the groove position of the scratch after polishing is well avoided, and the repairing flatness is high.
The basic grinding of the invention adopts grinding of the scratch and the range of 6mm-15mm around the scratch, the operation is more scientific, compared with the mode of only grinding the scratch position for continuously pursuing the aim of reducing the repair area, the requirement on the operation proficiency of the operator is reduced, and the influence of the difference of the basic grinding operation of different operators on the subsequent repair effect is eliminated.
The method adopts the step of repeated paint repair, is different from the prior art that paint is completely repaired into the scratch groove at one time, can better match with the groove at the scratch position, and realizes good repair of scratch coincidence. According to the invention, the vehicle paint and the varnish are separately filled through the vehicle paint blending with a proper dilution ratio, so that the operation is easier, the influence of the relatively thick and heavy vehicle paint prepared by the conventional vehicle paint on the subsequent filling of the varnish is avoided, the complete drying of the vehicle paint and the varnish is ensured, and the hidden danger of paint surface depression at a dent position in the later period is eliminated. Through filling the UV varnish and adopting the UV lamp to shine, promoted the dry efficiency of varnish, easy operation is practical. The final polishing treatment only polishes the periphery of the scratch and does not polish the front surface of the scratch, thereby effectively avoiding the shrinkage and collapse of the scratch part caused by polishing overheating.
Drawings
FIG. 1 is a diagram of the effect of a prior art repair method of polishing a groove and filling with varnish-containing vehicle paint;
FIG. 2 is a diagram showing the effects of polishing grooves and vehicle paint filling by the repairing method of the present invention;
FIG. 3 is a graph showing the effects of the BMW vehicle before and after scratch repair in accordance with an embodiment of the present invention;
FIG. 4 is a graph showing the effects of scratch repair on a mass vehicle in accordance with example 2 of the present invention;
FIG. 5 is a graph showing the effects of scratch repair on a popular automobile according to comparative example 1 of the present invention;
FIG. 6 is a graph showing the effects of the invention before and after the scratch repair of the Audi car of comparative example 2;
wherein, 1 vehicle paint, 2 varnish, 3 vehicle paint containing varnish and 4V-shaped grooves at the scratch;
in fig. 5 and 6, the residual print in the repaired picture is shown as circled positions.
Detailed Description
In order to clearly explain the technical features of the present invention, the present invention will be explained in detail by the following embodiments with reference to the attached drawings.
All materials used in the specific examples are conventional materials used in the art and are commercially available and consistent with the general understanding of those skilled in the art.
The Fucus degreasing agent used in the invention is a product sold in the market, and a manufacturer is Guangzhou Gaobeautification chemical company Limited; the eye-filling ash is a product sold in the market, and a manufacturer is China hong Kong Cheng Lian Youguan Co Ltd; the curing agent and the diluent are sold in the market, the curing agent is a standard curing agent AR3000, the diluent is a standard diluent BT56#, and manufacturers are all Tian Luo chemical company Limited in Zhuhai.
Example 1 repair of BMW X1 automobile scratches
Aiming at the deep scratch caused by the human sharp object at the BMW X1 automobile body of a client, the repairing method comprises the following steps:
(1) Scratch type determination
Dipping a clean rag with a Fucuss degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, spraying water containing 10% of detergent on the scratch, and determining that the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch by using No. 2000 water inlet abrasive paper, and polishing the range of 10mm around the scratch;
(3) Prepared vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the color: curing agent: the weight ratio of the diluent = 1; the curing agent is a standard curing agent AR3000, and the diluent is a standard diluent BT56#;
(4) The tool nose is used for dividing the upper edge and the lower edge of the scratch for two times, burrs generated at the periphery of the scratch and paint residues at the bottom of the scratch are removed, the No. 2000 water sand paper is folded up to polish an inner groove of the scratch to be V-shaped, and then clean treatment is carried out by dipping clean cloth with Fucus oil removing agent;
(5) Repair paint bottom
Dipping the vehicle paint mixed in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the groove polished in the step (4), covering the part with the exposed primer paint by using the color-adding paint, wherein the part cannot be higher than the paint surface, and baking for 5 minutes by using a far infrared baking lamp until the paint is completely dried;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so as to avoid the colored paint outside the groove from influencing the flatness of the paint surface;
(7) Curing of
Continuously coating UV varnish on the scratch groove, waiting for 1-2 minutes after the first coating, observing the scratch part, if the scratch is deeper, point-coating the dent part again until the dent part is filled, and irradiating the coating part by using a UV lamp for 30 seconds to 1 minute;
(8) Three-time grinding
Scraping the scratched part with eye-filling ash, and then polishing the spot-coated varnish part with 2000# waterproof abrasive paper again, so as to not polish the varnish-free part until polishing is smooth;
(9) Polishing of
Uniformly coating polishing wax on a wool disc of a polishing machine, throwing away sand paper marks around the scratches at a low speed of 1000-1200 rpm and a pressure of 3-5N within a range of 2.5-3.5cm around the scratches, then replacing the sponge disc polishing machine, throwing away the dazzling grains, and throwing out a bright surface.
The effect before and after repair is shown in figure 3.
Example 2 repair of Volkswagen Lavida scratch
Aiming at the deep scratch of the body of the Volkswagen Lavida automobile of a client caused by the stone scratch, the repairing method comprises the following steps:
(1) Scratch type determination
Dipping a clean rag with a Fucuss degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, spraying water containing 10% of detergent on the scratch, and determining that the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch with No. 2000 water inlet abrasive paper and the range of 15mm around the scratch;
(3) Prepared vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the following color: curing agent: the weight ratio of the diluent = 1; the curing agent is a standard curing agent AR3000, and the diluent is a standard diluent BT56#;
(4) The tool nose is used for dividing the upper edge and the lower edge of the scratch for two times, burrs generated at the periphery of the scratch and paint residues at the bottom of the scratch are removed, the No. 2000 water sand paper is folded up to polish an inner groove of the scratch to be V-shaped, and then clean treatment is carried out by dipping clean cloth with Fucus oil removing agent;
(5) Repair paint bottom
Dipping the vehicle paint prepared in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the scratch groove polished in the step (4), adding color paint to cover the part with the exposed primer, wherein the part cannot be higher than the paint surface, and baking for 5 minutes by using a far infrared baking lamp until the paint is completely dried;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so as to avoid the colored paint outside the groove from influencing the flatness of the paint surface;
(7) Curing of
Continuously coating UV varnish on the scratch groove, waiting for 1-2 minutes after the first coating, observing the scratch part, if the scratch is deeper, point-coating the dent part again until the dent part is filled, and irradiating the coating part by using a UV lamp for 30 seconds to 1 minute;
(8) Three times of polishing
Scraping the scratched part with eye-filling ash, and then polishing the spot-coated varnish part with 2000# waterproof abrasive paper again, so as to not polish the varnish-free part until polishing is smooth;
(9) Polishing of
Firstly, uniformly coating polishing wax on a wool disc of a polishing machine, polishing sand paper marks around scratches by adopting a low speed of 1000-1200 r/min and a pressure of 3-5N within a range of 2.5-3.5cm around the scratches, polishing the sand paper marks, then, polishing dazzling grains by using a sponge disc polishing machine, and polishing a bright surface.
As shown in fig. 2, which is a graph showing the effect of the contact between the car paint and the V-shaped groove at the scratch position polished by the repairing method of the present invention, compared with the effect graph of the car paint filling in the prior art shown in fig. 1, since the car paint which is relatively thin is filled into the V-shaped groove in a layered manner, the good contact between the car paint and the side wall of the V-shaped groove at the scratch position can be ensured, and the problem of unreality can be avoided; the vehicle paint filled in the figure 1 is thicker, heavier and deeper than the V-shaped groove at the scratch position, so that natural depression cannot be realized and the vehicle paint is flush with the paint surface under the condition of complete drying, and the vehicle paint may still protrude from the paint surface to influence the repairing effect.
The healing effect of this embodiment is shown in fig. 4.
Comparative example 1 repair of scratch in mass-produced automobile
Aiming at the deep scratches of the bodies of the automobiles of the public caused by scratches of granular particles like stones similar to embodiment 2, the repairing method is basically the same as the repairing step of embodiment 2, except that when the primer is repaired in the step (5), the vehicle paint is coated, the varnish is coated after the vehicle paint is dried completely, and then the two-time polishing and the three-time polishing are sequentially carried out; the method specifically comprises the following steps:
(1) Scratch type determination
Dipping a clean rag with a Fucuss degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, spraying water containing 10% of detergent on the scratch, and determining that the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch with No. 2000 water inlet abrasive paper and the range of 15mm around the scratch;
(3) Mixed vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the color: curing agent: the weight ratio of the diluent = 1; the curing agent is a standard curing agent AR3000, and the diluent is a standard diluent BT56#;
(4) The tool nose is used for scratching along the upper edge and the lower edge of the scratch twice, burrs generated at the periphery of the scratch and paint slag at the bottom of the scratch are removed, the No. 2000 water sand paper is folded up to polish the inner groove of the scratch to be V-shaped, and then clean cloth is used for dipping Fucoss degreasing agent for cleaning treatment;
(5) Repair of paint base and curing
Dipping the vehicle paint mixed in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the groove polished in the step (4), covering the part with the exposed primer paint by using the color-adding paint, wherein the part cannot be higher than the paint surface, and baking for 5 minutes by using a far infrared baking lamp until the paint is completely dried; continuously coating the UV varnish, waiting for 1-2 minutes after the first coating, observing the scratched part, and if the scratch is deep, dotting the dent part again until the dent is filled up, and irradiating the coated part by using a UV lamp for 30 seconds to 1 minute;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so that the colored paint outside the groove is prevented from influencing the flatness of the paint surface;
(7) Three-time grinding
Scraping the scratched part with eye-filling ash, and then polishing the spot-coated varnish part with 2000# waterproof abrasive paper again, so as to not polish the varnish-free part until polishing is smooth;
(8) Polishing of
Uniformly coating polishing wax on a wool disc of a polishing machine, throwing away sand paper marks around the scratches at a low speed of 1000-1200 rpm and a pressure of 3-5N within a range of 2.5-3.5cm around the scratches, then replacing the sponge disc polishing machine, throwing away the dazzling grains, and throwing out a bright surface.
Comparative example 2 repair of Oddi automotive scratches
Aiming at the deep scratch at the door of the Audi automobile caused by the scratch of the non-motor vehicle, the repairing method is basically the same as the repairing step of the embodiment 1 of the application, and the difference is that the vehicle paint modulation proportion is adjusted, and the following steps are specifically adopted:
(1) Scratch type determination
Dipping a clean rag with a Fucuss degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, spraying water containing 10% of detergent on the scratch, and determining that the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch by using No. 2000 water inlet abrasive paper, and polishing the range of 10mm around the scratch;
(3) Prepared vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the following color: curing agent: the weight ratio of the diluent = 1; the curing agent is a standard curing agent AR3000, and the diluent is a standard diluent BT56#;
(4) The tool nose is used for dividing the upper edge and the lower edge of the scratch for two times, burrs generated at the periphery of the scratch and paint residues at the bottom of the scratch are removed, the No. 2000 water sand paper is folded up to polish an inner groove of the scratch to be V-shaped, and then clean treatment is carried out by dipping clean cloth with Fucus oil removing agent;
(5) Repair paint bottom
Dipping the vehicle paint mixed in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the groove polished in the step (4), covering the part with the exposed primer paint by using the color-adding paint, wherein the part cannot be higher than the paint surface, and baking for 5 minutes by using a far infrared baking lamp until the paint is completely dried;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so as to avoid the colored paint outside the groove from influencing the flatness of the paint surface;
(7) Curing
Continuously coating UV varnish on the scratch groove, waiting for 1-2 minutes after the first coating, observing the scratch part, if the scratch is deeper, point-coating the dent part again until the dent part is filled, and irradiating the coating part by using a UV lamp for 30 seconds to 1 minute;
(8) Three times of polishing
Scraping the scratched part with eye-filling ash, and then polishing the spot-coated varnish part with 2000# waterproof abrasive paper again, so as to not polish the varnish-free part until polishing is smooth;
(9) Polishing of
Firstly, uniformly coating polishing wax on a wool disc of a polishing machine, polishing sand paper marks around scratches by adopting a low speed of 1000-1200 r/min and a pressure of 3-5N within a range of 2.5-3.5cm around the scratches, polishing the sand paper marks, then, polishing dazzling grains by using a sponge disc polishing machine, and polishing a bright surface.
The embodiment of the invention has short repairing period, and the whole repairing time is 1-2h; compare the tradition restoration of spraying paint and need several days time, man-hour and efficiency obviously promote, and remove the influence of spraying paint to the vehicle value of guaranteeing from, whole outward appearance is restoreed and is had no vestige, and the roughness is unanimous with former car paint surface, does not have and dazzles the light, has the light, and the indent position is difficult to find, more can not appear the current defect that the indent position that exempts from to lacquer and repair the technique later stage and appear sinks.
Comparing the effect diagrams before and after the automobile repair of each example and each comparative example in the drawings of the specification, it is obvious that the repair effect of the comparative example 1 is limited compared with the repair method of the embodiment of the present invention, and the scratch mark still has a light mark, as shown in fig. 5. The analysis reason is mainly shown in the following steps: comparative example 1 although the car paint and the colored paint were applied separately, slight dents remained in the final scratches after further polishing due to the close drying of the car paint and the repair coating of the colored paint. Comparative example 2 compared with the repairing method of example 1 of the present invention, the repairing effect is not good, as shown in fig. 6, the reason is that the blending ratio of the vehicle paint is not reasonable, the vehicle paint has a large concentration and a heavy weight, it is difficult to continue to repair the vehicle paint when the vehicle paint is continuously filled, and after the repairing is finished, the dent still has a slight dent.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (5)
1. The method for repairing the deep scratches of the automobile paint surface is characterized by comprising the following operation steps of:
(1) Scratch type determination
Dipping a cleaning rag with a degreasing agent, cleaning the surface and the periphery of the scratch, removing dirt and impurities in the scratch, and spraying water containing 10% of detergent on the scratch, wherein if the scratch disappears, the scratch belongs to a medium scratch, and if the scratch does not disappear, the scratch belongs to a deep scratch;
(2) Foundation polishing
Polishing the scratch with No. 2000 water inlet abrasive paper, and polishing the scratch with the periphery of 6-15 mm;
(3) Prepared vehicle paint
Blending the vehicle paint according to the color of the vehicle body, and blending the vehicle paint according to the color: curing agent: the weight ratio of the diluent = 1;
(4) Cleaning burr and paint slag
The tool nose is used for scratching along the upper edge and the lower edge of the scratch twice, burrs generated at the periphery of the scratch and paint residues at the bottom of the scratch are removed, an inner groove of the scratch is polished, and then clean cloth is used for dipping degreasing agent for cleaning;
(5) Repair paint bottom
Dipping the vehicle paint mixed in the step (3) by using a 0.3mm marking pen point, uniformly coating the vehicle paint in the groove polished in the step (4), covering the part with the exposed primer paint by using the color-adding paint, wherein the part cannot be higher than the paint surface, and baking by using a far infrared baking lamp until the paint is completely dried;
(6) Secondary grinding
Grinding off the colored paint which is not dotted to the scratch by using No. 2000 waterproof abrasive paper, so that the colored paint outside the groove is prevented from influencing the flatness of the paint surface;
(7) Curing
Coating UV varnish on the scratch groove, waiting for 1-2 minutes after the first coating, observing the scratch part, if the scratch is deep, point-coating the dent part again until the dent part is filled, and irradiating the coated part by using a UV lamp for 30 seconds to 1 minute;
(8) Three times of polishing
Scraping the scratched part with eye-filling ash, and then grinding the spot-coated varnish part with No. 2000 water sandpaper again, so that the part which is not coated with varnish is not polished until the part is polished smoothly;
(9) Polishing of
Uniformly coating polishing wax on a wool disc of a polishing machine, polishing sand paper marks at a low speed within a range of 2.5-3.5cm around scratches, replacing with a sponge disc polishing machine, polishing dazzling grains, and polishing a bright surface.
2. The method for repairing deep scratches of an automobile finish according to claim 1, wherein the step (2) polishes the periphery of the scratches within a range of 10 mm.
3. The method for repairing deep scratches on a painted surface of an automobile according to claim 1, wherein the curing agent in step (3) is a standard curing agent AR3000, and the diluent is a standard diluent BT56# diluent.
4. The method for repairing the deep scratches of the automobile paint surface according to claim 1, wherein the grooves in the polished scratches in step (4) are V-shaped.
5. The method for repairing deep scratches on a painted surface of an automobile according to claim 1, wherein step (9) uses a low speed of 1000-1200 rpm and a pressure of 3-5N to remove the sand paper marks around the scratches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211457564.9A CN115741245A (en) | 2022-11-21 | 2022-11-21 | Method for repairing deep scratches on automobile paint surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211457564.9A CN115741245A (en) | 2022-11-21 | 2022-11-21 | Method for repairing deep scratches on automobile paint surface |
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| Publication Number | Publication Date |
|---|---|
| CN115741245A true CN115741245A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211457564.9A Pending CN115741245A (en) | 2022-11-21 | 2022-11-21 | Method for repairing deep scratches on automobile paint surface |
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| Country | Link |
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| CN (1) | CN115741245A (en) |
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- 2022-11-21 CN CN202211457564.9A patent/CN115741245A/en active Pending
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