injecteion mould design and farbrication
Injection molding according to molding characteristics are divided into thermosetting plastic mold, thermoplastic mold two; according to the molding process is divided into pass mold, blow mold, casting mold, thermoforming mold, hot mold (compression mold), injection mold, etc. , In which the hot stamper to flash way can be divided into spill type, semi-overflow type, not spill type three injection molding system to pouring can be divided into cold runner mold, hot runner mold two; by loading and unloading Can be divided into mobile, fixed two.
The injection mold consists of a moving mold and a fixed mold. The moving mold is installed on the moving template of the injection molding machine and the fixed mold is installed on the fixed mold of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity. When the mold is opened, the movable mold and the fixed mold are separated to remove the plastic product.
Although the structure of the mold may vary due to the variety and properties of the plastic, the shape and structure of the plastic, the type of the injection machine, etc., the basic structure is the same. Mold mainly by the pouring system, temperature control system, forming parts and structural components. One casting system and molding parts are in direct contact with the plastic part, and with the plastic and products change, is the most complex mold, the most varied, requiring the highest processing finish and accuracy of the part.
Gating system refers to the plastic part of the runner from the nozzle into the cavity, including the main runner, cold material hole, runner and gate. Forming parts refers to the various shapes that make up the product, including moving parts, fixed molds and cavities, cores, forming rods and exhaust vents. Typical mold structure as shown.