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Novel automobile accessory spraying technology

A technology of auto parts and new technology, which is applied in the direction of coating, liquid coating device on the surface, surface pretreatment, etc. It can solve the problems of uneven spraying, easy cracks, rough surface, etc., and achieve simplified preparation process and spraying even surface effect

Inactive Publication Date: 2018-10-23
苏州耐思特塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional painting process generally needs to spray the primer first and then the topcoat, and then it can be completed after the second drying, which is easy to cause uneven spraying, rough surface, prone to cracks, and low processing efficiency.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] S1: Clean the surface of auto parts with absolute ethanol for 3-5 times, rinse with hot water for 2-3 times, and dry to constant weight at 80°C;

[0021] S2: Configure coating materials: 10-30 parts of ethyl methanesulfonate, 4-10 parts of 2-methacrylamide, 2-5 parts of nano-molybdenum disulfide, 2-7 parts of polytetrafluoroethylene, 1- Mix 3 parts of nano-silica, 1-3 parts of zinc powder, 0.5-2 parts of magnesium stearate, and 8-13 parts of ethylenediamine, raise the temperature to 100-120°C and stir for 25-35 minutes; Under 35KW, ultrasonic treatment for 30-45min;

[0022] S3: Use a medium-caliber spray gun to spray the coating material twice, the first spraying pressure is 0.6-0.7MPa, the spraying distance is 15-25cm, and the angle between the spray surface and the plane of the auto parts is 65-75°; the second time The spraying pressure is 1.0-1.25MPa, the spraying distance is 30-50cm, the angle between the spraying surface and the auto parts plane is 80-90°, and th...

Embodiment 2

[0026] S1: Clean the surface of auto parts with absolute ethanol for 3-5 times, rinse with hot water for 2-3 times, and dry to constant weight at 80°C;

[0027] S2: Configure coating materials: 10-30 parts of ethyl methanesulfonate, 4-10 parts of 2-methacrylamide, 2-5 parts of nano-molybdenum disulfide, 2-7 parts of polytetrafluoroethylene, 1- Mix 3 parts of nano-silica, 1-3 parts of zinc powder, 0.5-2 parts of magnesium stearate, and 8-13 parts of ethylenediamine, raise the temperature to 100-120°C and stir for 25-35 minutes; Under 35KW, ultrasonic treatment for 30-45min;

[0028] S3: Use a medium-caliber spray gun to spray the coating material twice, the first spraying pressure is 0.6-0.7MPa, the spraying distance is 15-25cm, and the angle between the spray surface and the plane of the auto parts is 65-75°; the second time The spraying pressure is 1.0-1.25MPa, the spraying distance is 30-50cm, the angle between the spraying surface and the auto parts plane is 80-90°, and th...

Embodiment 3

[0032] S1: Clean the surface of auto parts with absolute ethanol for 3-5 times, rinse with hot water for 2-3 times, and dry to constant weight at 80°C;

[0033] S2: Configure coating materials: 10-30 parts of ethyl methanesulfonate, 4-10 parts of 2-methacrylamide, 2-5 parts of nano-molybdenum disulfide, 2-7 parts of polytetrafluoroethylene, 1- Mix 3 parts of nano-silica, 1-3 parts of zinc powder, 0.5-2 parts of magnesium stearate, and 8-13 parts of ethylenediamine, raise the temperature to 100-120°C and stir for 25-35 minutes; Under 35KW, ultrasonic treatment for 30-45min;

[0034] S3: Use a medium-caliber spray gun to spray the coating material twice, the first spraying pressure is 0.6-0.7MPa, the spraying distance is 15-25cm, and the angle between the spray surface and the plane of the auto parts is 65-75°; the second time The spraying pressure is 1.0-1.25MPa, the spraying distance is 30-50cm, the angle between the spraying surface and the auto parts plane is 80-90°, and th...

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PUM

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Abstract

The invention provides a novel automobile accessory spraying technology. Cleaning, grinding and static electricity removal treatment is conducted on the surface of an automobile accessory; a coating material is prepared, ethyl methanesulfonate, 2-methacrylamide, nano-molybdenum disulfide, teflon, nano silicon dioxide, zinc powder, magnesium stearate and ethidene diamine are mixed, the temperatureis increased to 100-120 DEG C, and stirring is conducted for 25-35 min; then, under the power of 25-35 KW, ultrasonic treatment is conducted for 30-45 min; a medium-caliber spray gun is adopted to spray the coating material two times, the first-time spraying pressure is 0.6-0.7 MPa, the spraying distance is 15-25 cm, and the angle between the sprayed face and an automobile accessory plane is 65-75degrees; the second-time spraying pressure is 1.0-1.25 MPa, the spraying distance is 30-50 cm, the angle between the sprayed face and the automobile accessory plane is 80-90 degrees, and the intervaltime between two times of spraying is 8-12 min; and the sprayed automobile accessory can be obtained after grinding, drying and polishing treatment.

Description

technical field [0001] The invention relates to the technical field of auto parts preparation, in particular to a new spraying process for auto parts. Background technique [0002] Auto parts are the various units that make up the whole car and a product that serves the car. With the continuous progress and development of society, automobiles have gradually entered thousands of households, the continuous expansion of the market and the perfect development of the automobile industry, the competition in the automobile processing industry is increasing, which has brought about increasingly fierce competition in the auto parts processing market . [0003] Many auto parts need to be sprayed during processing, some auto parts only need to be sprayed on the outer wall, and some auto parts need to be sprayed on the inner and outer walls, such as metal auto parts, for this kind of car that needs to be sprayed on the inner and outer walls For accessories, people have higher requirem...

Claims

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Application Information

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IPC IPC(8): B05D1/36B05D3/12B05D3/10C09D4/02C09D4/06C09D7/61C09D7/63
CPCB05D1/36B05D3/10B05D3/12C09D4/06C09D7/61C09D7/63
Inventor 张雪明
Owner 苏州耐思特塑胶有限公司
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