Manufacturing method for automobile instrument panel
A car dashboard and dashboard technology, applied to dashboards, vehicle parts, printing devices, etc., can solve the problems of poor product stability, many production links, and low production efficiency, and achieve high production efficiency, fewer processing links, and low cost. low effect
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[0021] The invention discloses a method for preparing an automobile instrument panel. An ink layer is printed on an instrument panel substrate by screen printing, and the ink includes matte ink and high-gloss ink.
[0022] The preparation method comprises the following steps: net making, instrument panel substrate pre-shrinking, printing, and shape punching.
[0023] When making the net, first use 250-350 mesh polyester screen to coat the photosensitive film on the screen with a thickness of 18-25um, then dry it in a 35-40°C oven, then place the film film on the screen, and pass through the wavelength 320 -450nm ultraviolet exposure for 200-420 seconds, exposure and development into graphics, control temperature 21-25 ℃, humidity 40-70% during exposure;
[0024] In order to stabilize the size of the instrument panel, before printing the ink, the substrate of the instrument panel needs to be baked at high temperature to achieve the purpose of pre-shrinking. Set the temperature ...
Embodiment 1
[0030] A kind of preparation method of automobile dashboard comprises the following steps
[0031] 1), net making:
[0032] a. Use 250-mesh polyester screen to coat a photosensitive film on the screen, with a thickness of 18um;
[0033] b. Dry in an oven at 35-40°C;
[0034] c. Place a film diaphragm on the screen, expose it to ultraviolet light with a wavelength of 320-450nm for 200 seconds, and then develop a pattern after exposure. During exposure, control the temperature at 21-25°C and humidity at 40-70%;
[0035] 2) Pre-shrinking of the panel substrate: bake at 100-110°C for 30 minutes;
[0036] 3), printing:
[0037] a. Print high-gloss ink on the surface of the instrument panel substrate through printing equipment, and the machine pressure is 4-6Mpa;
[0038] b. Bake and dry in a tunnel oven at a speed of 10 m / min;
[0039] c. Print matte ink on the high-gloss ink layer, the machine pressure is 4-6Mpa;
[0040] d. Bake and dry in a tunnel oven at a speed of 10 m / m...
Embodiment 2
[0044] A kind of preparation method of automobile dashboard comprises the following steps
[0045] 1), net making:
[0046] a. Use a 300-mesh polyester screen to coat a photosensitive film on the screen, with a thickness of 22um;
[0047] b. Dry in an oven at 35-40°C;
[0048] c. Place a film diaphragm on the screen, expose it to ultraviolet light with a wavelength of 320-450nm for 310 seconds, and then develop it into a pattern. When exposing, control the temperature at 21-25°C and the humidity at 40-70%;
[0049] 2) Pre-shrinking of the panel substrate: bake at 100-110°C for 30 minutes;
[0050] 3), printing:
[0051] a. Print matte ink on the surface of the instrument panel substrate by printing equipment, and the machine pressure is 4-6Mpa;
[0052] b. Bake and dry in a tunnel oven at a speed of 10 m / min;
[0053] c. Print high-gloss ink on the matte ink layer, and the machine pressure is 4-6Mpa;
[0054] d. Bake and dry in a tunnel oven at a speed of 10 m / min;
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