Injection Blow Molding Machine,IBM
20 videos • 843 views • by HassanPlas Injection blow moulding is used for the Production of hollow objects in large quantities. The main applications are bottles, jars and other containers. The Injection blow moulding process produces bottles of superior visual and dimensional quality compared to extrusion blow moulding. The process is ideal for both narrow and wide-mouthed containers and produces them fully finished with no flash njection The injection blow moulding 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 mould. The preform mould 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. Blowing The preform mould opens and the core rod is rotated and clamped into the hollow, chilled blow mould. The core rod opens and allows compressed air into the preform, which inflates it to the finished article shape. Ejection After a cooling period the blow mould 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 mould 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 moulding and ejection. -Features: -One step fast molding without scrap,good for continuous production meeting GMP standard -Neck and thread in high precision dimension to meet various sealing requirement -Smooth party lines on body and bottom for perfect surface finishing,various shape available -Max.uniformity of bottle weight,thickness and volume -High speed production with multi cavities available on different bottle size -Suitable material:PE,PP,PS,SAN,PETG,EVA...etc for various bottles -Different method as option,big space for ease mould changing