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First, glass bottle paint spraying construction operation skills:
1. Use a clean thinner or water to adjust the viscosity of the coating to a suitable spray. Measured by a Coater-4 viscometer, the appropriate viscosity is generally 18 to 30 seconds. If there is no viscometer, you can use the visual inspection method: stir the paint with a rod (iron rod or wood rod) and stir it up to a height of 20 cm to stop it. If the paint is not in a short time (several seconds) Too thick; such as a break from the bucket on the line that is too thin; to stop at a height of 20 cm, the paint into a straight line, the instantaneous stop flow becomes a drop, this viscosity is more appropriate.
2, the air pressure is best controlled at 0.3-0.4 MPa (3-4 kg force / square centimeter). If the pressure is too low, the atomization of the lacquer solution will be poor, and the surface will form pits: the pressure is too large and the turbulence is easy to hang, and the paint mist is too large, which wastes the material and affects the operator's health.
3, the distance between the nozzle and the object surface is generally 200-300 mm. Nearly easy to hang; over uneven paint spray, prone to pitting, and the nozzle away from the object paint mist sprayed on the way to cause waste. The specific size of the distance should be properly adjusted according to the type of glass paint, viscosity, and air pressure. Slow-drying paint spraying distance can be farther, when the viscosity is thin, it can be farther; when the air pressure is large, the distance can be farther, the pressure can be closer to a little; the so-called nearer point is the adjustment of the range between 10mm-50mm, If it exceeds this range, it is difficult to obtain a desired paint film.
4, the spray gun can be used for up and down, left and right movement, preferably at a speed of 10-12 meters / min evenly, the nozzle should be straight to the surface spray, to reduce oblique spraying. When spraying on the both ends of the object, the hand that deducts the trigger of the spray gun should be loosened quickly, so that the paint mist is reduced. Because the two ends of the object surface are often subjected to more than two times of spraying, it is the place most likely to cause sagging.
5, when the next spray to suppress the 1/3 or 1/4 of the previous one, so that there will be no leakage phenomenon. When spraying quick-drying paint, it should be sprayed in order. Spraying effect is not ideal.
6, when spraying in outdoor open places, pay attention to the wind direction (winds should not work), the operator must stand in the downwind direction, to prevent the paint mist from being blown into the paint film has caused an unsightly granular surface.
7, the order of spraying is: easy to be easy after the first, after the first outside. After the first height and then the low, the first small area after a large area. This will not cause the post-spray paint mist to splash on the sprayed paint film, destroying the sprayed paint film.
Second, the bottle paint coloring techniques 1, the basic principle of color red + yellow = orange red + blue = purple yellow + purple = green 2, complementary color The principle of complementarity between red and green, that is, red can reduce green, green can reduce red ;
Yellow and purple complement, that is, yellow can reduce purple, purple can reduce yellow;
Blue and orange complement, that is, blue can reduce orange, orange can reduce blue;
3, basic knowledge of color Usually people say the color is divided into three elements: the color, brightness and saturation. Hue is also known as hue, ie, red, orange, yellow, green, blue, blue, purple, etc.; lightness is also called brightness and describes the degree of lightness or darkness of a color; saturation is also called chroma, and describes the depth of color.
4, the basic principle of color matching General color Do not use more than three kinds of paint.
Different intermediate colors (i.e., colors having different tones) can be obtained by mixing in a certain proportion with red, yellow, and blue colors.
In the basic color, adding white, you can get different colors of saturation (that is, different shades of color).
On the basis of the primary colors, by adding black, it is possible to obtain colors with different brightness (i.e., colors with different brightness).
5, the basic skills of color techniques 1, paint color mixing follows a principle of subtractive color, the three primary colors are red, yellow, blue, their complementary colors are green, purple, orange. The so-called complementary color is two kinds of color light mixed in a certain proportion to obtain white color light, the complementary color of red is green, the complementary color of yellow is purple, and the complementary color of blue is orange. That is, if the color is too red, you can add green; if it is too yellow, you can add purple; if it is too blue, you can add orange.
Tip 2. Before color adjustment, first determine the position of the color to be deployed in the figure according to the figure below, and then select the two similar hue to be allocated in a certain proportion.
Tip 3: Use the same glass plate material or the workpiece to be painted to color (thickness of the substrate, sodium salt glass bottle and calcium salt glass bottle will have different effects).
Tip 4: When colorizing, first add the main color, then use the color with strong coloring as the vice, add it slowly and intermittently, and constantly observe the change of color. Sample the wipe, brush, spray, or dip in clean On the sample plate, after the color is stable, it is compared with the original template. In the whole coloring process, we must master the principle of “from shallow to deepâ€.
1. Use a clean thinner or water to adjust the viscosity of the coating to a suitable spray. Measured by a Coater-4 viscometer, the appropriate viscosity is generally 18 to 30 seconds. If there is no viscometer, you can use the visual inspection method: stir the paint with a rod (iron rod or wood rod) and stir it up to a height of 20 cm to stop it. If the paint is not in a short time (several seconds) Too thick; such as a break from the bucket on the line that is too thin; to stop at a height of 20 cm, the paint into a straight line, the instantaneous stop flow becomes a drop, this viscosity is more appropriate.
2, the air pressure is best controlled at 0.3-0.4 MPa (3-4 kg force / square centimeter). If the pressure is too low, the atomization of the lacquer solution will be poor, and the surface will form pits: the pressure is too large and the turbulence is easy to hang, and the paint mist is too large, which wastes the material and affects the operator's health.
3, the distance between the nozzle and the object surface is generally 200-300 mm. Nearly easy to hang; over uneven paint spray, prone to pitting, and the nozzle away from the object paint mist sprayed on the way to cause waste. The specific size of the distance should be properly adjusted according to the type of glass paint, viscosity, and air pressure. Slow-drying paint spraying distance can be farther, when the viscosity is thin, it can be farther; when the air pressure is large, the distance can be farther, the pressure can be closer to a little; the so-called nearer point is the adjustment of the range between 10mm-50mm, If it exceeds this range, it is difficult to obtain a desired paint film.
4, the spray gun can be used for up and down, left and right movement, preferably at a speed of 10-12 meters / min evenly, the nozzle should be straight to the surface spray, to reduce oblique spraying. When spraying on the both ends of the object, the hand that deducts the trigger of the spray gun should be loosened quickly, so that the paint mist is reduced. Because the two ends of the object surface are often subjected to more than two times of spraying, it is the place most likely to cause sagging.
5, when the next spray to suppress the 1/3 or 1/4 of the previous one, so that there will be no leakage phenomenon. When spraying quick-drying paint, it should be sprayed in order. Spraying effect is not ideal.
6, when spraying in outdoor open places, pay attention to the wind direction (winds should not work), the operator must stand in the downwind direction, to prevent the paint mist from being blown into the paint film has caused an unsightly granular surface.
7, the order of spraying is: easy to be easy after the first, after the first outside. After the first height and then the low, the first small area after a large area. This will not cause the post-spray paint mist to splash on the sprayed paint film, destroying the sprayed paint film.
Second, the bottle paint coloring techniques 1, the basic principle of color red + yellow = orange red + blue = purple yellow + purple = green 2, complementary color The principle of complementarity between red and green, that is, red can reduce green, green can reduce red ;
Yellow and purple complement, that is, yellow can reduce purple, purple can reduce yellow;
Blue and orange complement, that is, blue can reduce orange, orange can reduce blue;
3, basic knowledge of color Usually people say the color is divided into three elements: the color, brightness and saturation. Hue is also known as hue, ie, red, orange, yellow, green, blue, blue, purple, etc.; lightness is also called brightness and describes the degree of lightness or darkness of a color; saturation is also called chroma, and describes the depth of color.
4, the basic principle of color matching General color Do not use more than three kinds of paint.
Different intermediate colors (i.e., colors having different tones) can be obtained by mixing in a certain proportion with red, yellow, and blue colors.
In the basic color, adding white, you can get different colors of saturation (that is, different shades of color).
On the basis of the primary colors, by adding black, it is possible to obtain colors with different brightness (i.e., colors with different brightness).
5, the basic skills of color techniques 1, paint color mixing follows a principle of subtractive color, the three primary colors are red, yellow, blue, their complementary colors are green, purple, orange. The so-called complementary color is two kinds of color light mixed in a certain proportion to obtain white color light, the complementary color of red is green, the complementary color of yellow is purple, and the complementary color of blue is orange. That is, if the color is too red, you can add green; if it is too yellow, you can add purple; if it is too blue, you can add orange.
Tip 2. Before color adjustment, first determine the position of the color to be deployed in the figure according to the figure below, and then select the two similar hue to be allocated in a certain proportion.
Tip 3: Use the same glass plate material or the workpiece to be painted to color (thickness of the substrate, sodium salt glass bottle and calcium salt glass bottle will have different effects).
Tip 4: When colorizing, first add the main color, then use the color with strong coloring as the vice, add it slowly and intermittently, and constantly observe the change of color. Sample the wipe, brush, spray, or dip in clean On the sample plate, after the color is stable, it is compared with the original template. In the whole coloring process, we must master the principle of “from shallow to deepâ€.
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