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A method of manufacturing an aircraft instrument light guide plate

A technology of aircraft instruments and manufacturing methods, which is applied in the direction of manufacturing tools, laser welding equipment, metal processing equipment, etc., can solve the problems of unsightly effect, difficult cleaning of silk screen, long time, etc., and achieve excellent marking effect, smooth and delicate hand feeling, The effect of high work efficiency

Active Publication Date: 2011-10-26
国营芜湖机械厂
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AI Technical Summary

Problems solved by technology

The disadvantages of this method are: high requirements for the production of the negative film (film sheet); the preparation of photosensitive adhesive is complicated, takes a long time, is not suitable for storage, and is easy to fail; the glue hanging method on the screen is wasteful and harmful to the human body. Difficult; erasing displayed information is a lot of work and the effect is not beautiful

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0005] A method for manufacturing an aircraft instrument light guide plate is carried out in the following steps:

[0006] The first step: use plexiglass to process the required shape of the aircraft instrument light guide plate into a semi-finished product;

[0007] Step 2: Spray the first layer of translucent white enamel paint, spray a layer of translucent white enamel paint with a thickness of 3-5 microns on the semi-finished product, dry it for 20-30 minutes at a temperature of 40 ° C ~ 50 ° C, and then the second The second spraying, the thickness is 3-5 microns, dried at 70°C for 12 hours;

[0008] Spray the second layer of black enamel paint, and then spray a layer of black enamel paint with a thickness of 5-7 microns, dry it for 10-15 minutes at a temperature of 18 ° C to 25 ° C, and then spray the second layer with a thickness of 5-7 microns. Dry at a temperature of 18°C ​​to 25°C for 1 hour;

[0009] Step 3: Use drawing software on the computer to draw the informa...

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PUM

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Abstract

The invention discloses a manufacturing method of an aircraft instrument light guide plate, which is processed into a semi-finished product with the desired shape of the aircraft instrument light guide plate by using plexiglass, spraying a thin and uniform layer of translucent white enamel paint, and then spraying a thin and uniform layer of black enamel after drying enamel. Use drawing software on the computer to draw the information that needs to be indicated on the light guide plate of the aircraft instrument. The semi-finished product of the light guide plate of the aircraft instrument is placed on the laser engraving workbench controlled by the computer, and the parameters and position marks are calibrated, and the laser engraving is performed by operating the computer. The method has simple procedures, does not need to make a negative film (film sheet), saves the work of preparing and coating photosensitive glue, has high work efficiency, high marking accuracy, fast speed, good color and contrast of marking, and smooth and delicate hand feeling. , Excellent appearance effect with neat edges.

Description

technical field [0001] The invention relates to a manufacturing method of an aircraft instrument light guide plate. Background technique [0002] When manufacturing aircraft instrument light guide panels, the usual method is screen printing, spraying a layer of light guide paint (or other light guide materials) on the plexiglass, and then covering it with a layer of light-shielding paint (or other light-shielding materials) , use a screen printing method to coat a layer of photosensitive glue; make a negative film (film film) of the light guide content to be displayed, use the method of exposure to copy the content on the negative film to the light guide plate, and then expose the light that is not protected by the photosensitive glue. Wipe off the blackout paint to reveal the displayed information. The disadvantages of this method are: high requirements for the production of the negative film (film sheet); the preparation of photosensitive adhesive is complicated, takes a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/02B23K26/00
Inventor 叶青周章勇曹卫华
Owner 国营芜湖机械厂
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