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Manufacturing method for automobile sign capable of realizing radar active cruise function

A technology for a car sign and a manufacturing method, which is applied to vehicle parts, devices for coating liquid on surfaces, ion implantation and plating, etc. Obstructing the normal emission of microwave radar waves, etc., to achieve the effects of high hardness, good transparency and easy operation

Active Publication Date: 2012-06-27
NINGBO SWELL IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the production method of automobile signs is to inject the prototype of the car signs, then coat the metal layer and stick it on the body, which has the advantage of simple preparation process, but the various metals plated on the front and rear signs of the car hinder The normal emission of radar waves, as well as the uneven thickness of the produced car signs and the gaps inside, all make the microwave radar unable to transmit and receive electric waves smoothly, so the microwave radar cannot accurately measure the distance between the front, rear, left, and right vehicles, and cannot guarantee driving safety

Method used

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  • Manufacturing method for automobile sign capable of realizing radar active cruise function
  • Manufacturing method for automobile sign capable of realizing radar active cruise function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The present invention is a kind of manufacture method of the automobile label that can satisfy the radar active cruise function, such as figure 1 shown, including the following steps:

[0019] (1) Injection molding: Use an injection molding machine to make transparent polycarbonate plastic into a curved panel with a thickness of 5mm to obtain a transparent plastic sign;

[0020] (2) UV spray paint: place the transparent plastic signage obtained in step (1) in automatic UV (ultraviolet light curing) coating equipment, the caliber of the spray gun of the automatic UV coating equipment is 0.8mm, and the spray gun The width is 5cm, the air pressure of the spray gun is 3bar, and the opening of the spray gun is 10cm away from the transparent plastic sign. Spray the UV-curable paint with metal powder evenly on both sides of the transparent plastic sign, and then the paint is leveled for 8 minutes, and then the transparent plastic sign Rotate 360 ​​degrees around the ultraviol...

Embodiment 2

[0026] The present invention is a kind of manufacture method of the automobile label that can satisfy the radar active cruise function, such as figure 1 The following steps are shown:

[0027] (1) Injection molding: use an injection molding machine to make transparent polycarbonate plastic into a curved panel with a thickness of 6mm to obtain a transparent plastic sign;

[0028] (2) UV spray paint: place the transparent plastic signage obtained in step (1) in automatic UV coating equipment, the caliber of the spray gun of the automatic UV coating equipment is 0.6mm, the spray width of the spray gun is 8cm, and the spray gun The air pressure of the spray gun is 4bar, the opening of the spray gun is 15cm away from the transparent plastic sign, and the UV curing paint with metal powder is evenly sprayed on both sides of the transparent plastic sign, and then the paint is leveled for 10 minutes, and then the transparent plastic sign is 360 degrees around the UV light source Rotat...

Embodiment 3

[0034] The present invention is a kind of manufacture method of the automobile label that can satisfy the radar active cruise function, such as figure 1 The following steps are shown:

[0035] (1) Injection molding: Use an injection molding machine to make transparent polycarbonate plastic into a curved panel with a thickness of 5.5mm to obtain a transparent plastic sign;

[0036] (2) UV spray coating: the transparent plastic signboard obtained in step (1) is placed in automatic UV coating equipment, the caliber of the spray gun of the automatic UV coating equipment is 0.7mm, and the spray width of the spray gun is 6.5cm, The air pressure of the spray gun is 3-4bar, and the opening of the spray gun is 12cm away from the transparent plastic sign. Spray the UV-curable paint with metal powder evenly on both sides of the transparent plastic sign, then the paint is leveled for 9 minutes, and then the transparent plastic sign is wrapped around the UV The light source is rotated 360...

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Abstract

The invention discloses a manufacturing method for an automobile sign capable of realizing a radar active cruise function. The manufacturing method includes obtaining a transparent plastic sign by means of manufacturing transparent polycarbonate plastics into a cambered panel with the thickness ranging from 5mm to 6mm by the aid of an injection molding machine; obtaining a transparent plastic sign with a metallic impression and a protecting layer by the aid of UV (ultraviolet) spraying materials; obtaining an indium-plated plastic sign by means of forming an indium metal film on the transparent plastic sign by an ion sputtering method; forming a seamless automobile sign finished product with uniform wall thickness ranging from 7cm to 8cm by means of assembling the indium-plated plastic sign with a plastic base; and finally detecting attenuation and obtaining the qualified automobile sign with the attenuation lower than 2.0DB (decibel) and the capability of realizing the radar active cruise function. The automobile sign has the advantages that the automobile sign has metallic luster, is penetrable by radar microwaves, can realize a function of radar measurement for front and rear automobile distances and the active cruise function, has an appearance decoration function and can meet safety requirements.

Description

technical field [0001] The invention relates to a manufacturing method of an automobile signboard, in particular to a manufacturing method of an automobile signboard which can satisfy the functions of radar measuring the distance between front and rear vehicles and active cruise. Background technique [0002] Car signs are widely used on various types of cars because of their appearance decoration and identification functions. At present, the production method of automobile signs is to inject the prototype of the car signs, then coat the metal layer and stick it on the body, which has the advantage of simple preparation process, but the various metals plated on the front and rear signs of the car hinder The normal emission of radar waves, as well as the uneven thickness of the produced car signs and the gaps inside, all make the microwave radar unable to transmit and receive electric waves smoothly, so the microwave radar cannot accurately measure the distance between the fr...

Claims

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Application Information

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IPC IPC(8): B60R13/10B29C45/76B05D7/04B05D5/08B05D5/06C23C14/20C23C14/34
Inventor 岑文杰陈学技
Owner NINGBO SWELL IND CO LTD
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