Bajo la luz del sol, hay bandas de pigmento rayado en los productos. Este problema debe considerarse desde dos aspectos: las propiedades físicas y mecánicas de los plásticos y el proceso de moldeo de plásticos
1. La temperatura del equipo de moldeo por inyección no está bien controlada., y el masterbatch de color no se puede mezclar completamente con la resina después de ingresar a la cámara de mezcla.
2. La máquina de moldeo por inyección no agregó una cierta contrapresión, el efecto de mezcla del tornillo no es bueno.
3. Poor dispersion of Color Masterbatch or poor plasticization of resin.
The process can be adjusted as follows:
1. Slightly increase the temperature of the mixing chamber near the blanking port
2. Apply back pressure to the injection molding machine.
If it is still not good after the above debugging, it may be the dispersity or matching problem of color masterbatch and resin, and it should be solved by contacting the color masterbatch manufacturer.
After using some color masterbatch, the product appears to be easy to crack
This may be due to the poor quality of dispersants or additives selected by the manufacturer, resulting in poor diffusion and mutual solubility, which affects the physical and mechanical properties of the products.
The color is too dark (too light) after using according to the proportion in the color master manual
Although this problem is simple, there are many possibilities
1. The color master has not been tested seriously, and the pigment “target =”_ Too little or too much pigment
2. The measurement is not accurate when it is used, and there are a lot of random measurement phenomena in domestic enterprises, especially in small and medium-sized enterprises
3. There is a problem in the matching of color masterbatch and resin, which may be due to improper selection of Color Masterbatch carrier, or the manufacturer changing the resin variety at will
4. The temperature of the machine is improper and the color masterbatch stays in the machine for a long time.
Treatment procedure: primeramente, check whether the resin variety matches the color masterbatch and whether the measurement is accurate. en segundo lugar, adjust the machine temperature or speed. If there are still problems, contact the color masterbatch manufacturer. With the same color masterbatch, resin and formula, why are the colors of products injected by different injection molding machines different?
This is often caused by the injection molding machine. Different injection molding machines have different mechanical conditions due to different manufacturing, use time or maintenance conditions, especially the difference of the close degree between the heating element and the barrel, which makes the dispersion state of color masterbatch in the barrel different. After changing another brand of resin, the same color masterbatch and formula, the color has changed. Por qué? The density and melt index of different brands of resin will be different, so the performance of resin will be different, and the compatibility with color masterbatch will also be different, resulting in color change. Generalmente hablando, as long as the density and melt index are not different, the color difference will not be too big, and the color can be corrected by adjusting the amount of color masterbatch. Will pigment migration during storage affect the quality of products? Some color masterbatch pigment content (or dye) is very high, en este caso, migration phenomenon is normal. En particular, the color masterbatch with dyes will have serious migration. But this does not affect the quality of the product, because the pigment in the product is in the normal color concentration after the color masterbatch is injected into the product.
Some injection products have poor luster
There are many possibilities:
1. The nozzle temperature of the injection molding machine is too low
2. The mold finish of injection molding machine is not good
3. The product molding cycle is too long
4. Too much titanium dioxide is contained in color masterbatch
5. The dispersion of color masterbatch is not good
After a period of time, some plastic products will fade
The quality of the basic pigment used by the manufacturer is not good, resulting in drift phenomenon.
ABS color masterbatch is particularly prone to color differences
The color difference of different brands of ABS produced in different countries is large. Even if the same brand of ABS, there may be color difference in each batch number. Por supuesto, there will be color difference after using color master. This is due to the characteristics of ABS, there is no thorough solution in the world. Sin embargo, this color difference is generally not serious.
Acerca de JasonMould Industrial Company Limited
Jasonmould es un Fabricante de moldes de China de moldes de plástico- molde de inyección, moldes de fundición a presión, moldeo por soplado de plástico, moldeo rotacional, médico moldeo por inyección de plástico, dos disparos moldeo por inyección de plástico, moldeado de inserción, sobremoldeo, moldeo por inyección de metal, micro moldeo por inyección, moldeo por inyección de polvo, moldeo por inyección de cerámica, moldeo por inyección de líquido, moldeo por inyección husky, molde del hogar, molde de fundición, morir herramienta de molde, moldes personalizados, moldes de porcelana, herramientas de creación rápida de prototipos, herramientas de creación de prototipos de plástico, herramientas de punzonadora, matriz y herramientas para piezas de teléfonos móviles / celulares, piezas de automóviles, aspiradoras, herramientas recargables, telefonos, fotocopiadoras, ordenadores, altavoces multimedia, y muchos otros productos electrónicos y electrodomésticos.. Y también un fabricante de productos de plástico., fabricante de moldes China- Partes plásticas, tanque de agua de plástico, bolas de plastico, contenedores de plástico, hebilla de plastico, ancla de plastico, percha de plastico, cuchara de plástico, accesorio de tubería de plástico, caída de plástico, vajilla de plastico, copas de plástico, botellas de plástico, bandeja de plástico, envase cosmético de plástico, Contendor de plastico, recipiente de plástico para alimentos, sillas de plastico, Tapas de plástico, cierre de tapa de plástico, tubos de plastico, tuberías de agua de plástico, perillas de plástico, tubo de plastico, cajas de plástico para uso general, rejillas de plástico, etc..
Contacto:
Persona: James Yuan
Empresa: JasonMould Industrial Company Limited
Agregar: Pueblo LongGang,Ciudad de LongXi,Condado de BoLuo,Ciudad de HuiZhou,La provincia de Guangdong, porcelana
Tel: 86-752-6682869
Correo electrónico: [email protected]
Sitio: https://www.jasonmolding.com/custom-injection-molding/
