Insert injection molding, double color injection molding, micro-foam injection molding, and NanoMoldingTechnology are some of the main methods of production of plastic products. This article will introduce the advantages and disadvantages of various injection molding processes.
- Injection molding
Injection molding, its principle is to add granular or powdery raw materials into the hopper of the injection machine, the raw materials by heating melting flow state, under the screw or piston of the injection machine, through the nozzle and the pouring system of the mold into the mold cavity, hardening in the mold cavity—factors affecting injection molding quality: injection pressure, injection time, injection temperature.
1, short molding cycle, high production efficiency, easy to realize automation
2, can be shaped complex shape, precise size, with metal or non-metal inserts of plastic parts
3, product quality is stable
4, wide range of adaptation
- The price of plastic injection molding equipment is higher
2, injection mold structure is complex
3, high production cost, long production cycle, is not suitable for a single small batch of plastic parts production
Among industrial products, plastic injection molding products include kitchen products (garbage cans, bowls, buckets, POTS, tableware, and various containers), electrical equipment shells (hairdryers, vacuum cleaners, food mixers, etc.), toys and games, various products of the automobile industry, parts of many other products, etc.
- insert molding
Insert molding is a process in which resin is inserted into the mold after the pre-prepared inter-material inserts are inserted. The molten material is bonded with the inserts to make an integrated product.
1, easy resin molding, bending, and metal rigidity, strength, and heat resistance of mutual combination supplement can be made into complex, sophisticated metal plastic integration products.
2, especially the combination of resin insulation and metal conductivity, made of molded products can meet the basic functions of electrical products.
3, for rigid molding products, a rubber sealing pad on the bending elastic molding products, through the matrix injection molding into integrated products, can save the arrangement of the complex operation of the sealing ring, make the automatic combination of the following process easier.
- double color injection molding
Double color injection molding: refers to the injection of two different plastic colors into the same mold molding method. It can make plastic appear in two different colors and make plastic parts present regular patterns or irregular moire patterns and colors to improve the use and beauty of plastic parts.
- Lower-quality core materials can be used to reduce costs.
2, cortex material or core material can be used expensively and has special surface properties, such as electromagnetic interference, high conductivity, and other materials to increase product performance.
3, appropriate cortex material and core material can reduce molding residual stress, increase mechanical strength or product surface properties.
- Microfoam injection molding process
Microfoam injection molding process: it is an innovative precision injection molding technology, is to relies on the expansion of the air hole to fill the product and complete the molding of the product under low and average pressure.
First, the supercritical fluid (carbon dioxide or nitrogen) is dissolved into the hot melt glue to form a single-phase solution; The switch nozzle is then fired into the mold cavity at a lower temperature and pressure. Due to the decrease in temperature and pressure, molecular instability is caused, and a large number of bubble nuclei are formed in the product. These bubble nuclei gradually grow into tiny holes.
1, precision injection molding;
2, breakthrough many limitations of traditional injection molding, can significantly reduce the weight of parts, shorten the molding cycle;
3, greatly improve the warping deformation and dimensional stability of the parts.
A car dashboard, door panel, air duct, etc
- Nano Molding Technology
NanoMoldingTechnology: metal and plastic with the combination of nanotechnology method, the first metal surface after nano treatment, plastic directly injection molding on the metal surface, so that metal and plastic can be formed in one.
Nanomolding technology is divided into two categories according to the position of the plastic:
1, plastic for non – appearance of one
2, plastic for the appearance of one
- The products have a metal appearance texture.
2, the product mechanism design is simplified to lighter, thinner, shorter, smaller, and more cost-effective than the CNC processing method.
Aria is a plastic injection molding manufacturer; a plastic mold factory is located in dong guan, China. They offer mould design, monochrome/double color precision mold manufacturing, 100-2000 tons of monochrome and two-color injection molding processing, spray mimeograph, bronzing radium carving factory plastic products one-stop service, adhere to provide customers with the most competitive price.
You can get an instant injection molding quote online through Aria’s Website (www.madearia.com).