As a leading injection blow molding company, we continue to offer both standard and custom plastic bottle manufacturing fo rour valuable customers.
At the beginning of 2018 Apex Plastics added the capability of Injection Blow Molding and PET processing.
Apex Plastics now has 3 AOKI Injection blow molding machines available to handle a variety of different sizes and shapes for you next custom PET project. Check our wide variety of PET Juice/Beverage Bottles or contact us for custom product options for your company brand.
Injection blow molding is used for the Production of hollow objects in large quantities. The main applications are bottles, jars and other containers. The Injection blow molding process produces bottles of superior visual and dimensional quality compared to extrusion blow molding. The process is ideal for both narrow and wide-mouthed containers and produces them fully finished with no flash.
The injection blow molding machine is based on an extruder barrel and screw assembly which melts the polymer. The molten polymer is fed into a manifold where it is injected through nozzles into a hollow, heated preform mold. The preform mold forms the external shape and is clamped around a mandrel (the core rod) which forms the internal shape of the preform. The preform consists of a fully formed bottle/jar neck with a thick tube of polymer attached, which will form the body.
The injection blowing stage is when the preform mold opens and the core rod is rotated and clamped into the hollow, chilled blow mold. The core rod opens and allows compressed air into the preform, which inflates it to the finished article shape.
The ejection stage is after a cooling period the blow mold opens and the core rod is rotated to the ejection position. The finished article is stripped off the core rod and leak-tested prior to packing. The preform and blow mold can have many cavities, typically three to sixteen depending on the article size and the required output. There are three sets of core rods, which allow concurrent preform injection, blow molding and ejection.
