Push-Pull Injection Molding Such as injection molding process, this molding method can eliminate defects such as melt seams, voids, cracks and microscopic porosity in plastic parts, and can control the arrangement of reinforcing fibers. It adopts two main injection units and one double injection unit. Mold. In operation, the main injection unit pushes the melt…
Layer Injection Molding Layered injection molding is a molding process that combines the characteristics of co-extrusion molding and injection molding, which can arbitrarily produce a very thin layered state in complex parts. Layered injection molding simultaneously performs two different resin injections, which are layered in a co-extrusion die through a multi-stage co-extrusion die, and the…
Microcellular Foam Injection Molding In the conventional structural foam injection molding, a chemical foaming agent is usually used, and since the foaming pressure generated is low, the produced article is limited in wall thickness and shape. Microcellular foam injection molding is limited by the use of supercritical inert gases. Microcellular foam injection molding uses supercritical…
Multi-Component Injection Molding Multi-component injection molding offers new possibilities for plastics processing, combining different materials or colors in a single molding. Production can be done in one process without the need for additional assembly or post-machine processing steps. Multi-component injection molding is a fully automated process with a high degree of flexibility, making it ideal…
Controlled Low Pressure Injection Molding Features Controlled low pressure injection molding is characterized by its distinction from conventional injection molding. The conventional injection molding filling stage controls the injection rate, while the low pressure injection molding filling stage controls the injection pressure. During the low-pressure injection process, the inlet pressure of the cavity is constant,…
Injection-Compression Molding This molding process was developed for molding optical lens surfaces. The molding process is as follows: the mold is first clamped, but the movable mold and the fixed mold are not completely closed, and a certain compression gap is reserved, and then the melt is injected into the cavity; after the melt injection…
Shear Control Orientation Injection Molding Shear Control Orientation Injection molding essentially applies a dynamic pressure to the melt through a gate, causing a vibrational shear flow of the polymer melt in the cavity, under which the molecular chains or fibers in different melt layers are produced. Orientation and freezing in the workpiece, thereby controlling the…
Plastic Injection Molding Process Plastic products, and the molding process is highly automated, and has a wide range of applications in plastic molding. However, with the increasing use of plastic products, people have put forward higher requirements on the precision, shape, function and cost of plastic products. The traditional injection molding process has been difficult…
Gas (Water) Assisted Injection Molding Gas-assisted injection molding is one of the most important developments in injection molding technology since the advent of reciprocating screw injection molding machines. It produces a hollow section inside the injection molded part by high-pressure gas, utilizes the volumetric pressure of the gas, reduces the residual internal stress of the…
Applicability Of Gas Assisted Injection Molding Technology Gas-assisted technology has made it possible to use injection molding for many parts that could not be injection molded by traditional processes. It has been obtained in almost all plastic parts such as automobiles, home appliances, furniture, electronic devices, daily necessities, office automation equipment, and building materials. Wide…