PF Series 1.5 Step Injection Stretch Blow Molding Machines (6/06)

PF Series machines are one step injection stretch blow molding machines, with the injection molding and blow molding separately conducted within one machine.

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PF Series machines are one step injection stretch blow molding machines, with the injection molding and blow molding separately conducted within one machine. The difference required for injection and stretch blow molding is achieved by utilizing different numbers of cavities in each station so that individually, each station can run most efficiently. By combining the technology of both processes into one machine, ASB has named the process behind these machines the 1.5 Step. During NPE 06, Nissei ASB exhibited the PF8-4B, which featured a preferential heating system, allowing molding of a high ovality container which is typically very difficult to produce on a standard PF machine. The system enables the dimensional ratio of the bottle (a 300 ml bottle used for liquid soap) between minor axis and major axis up to 1:2.8. The molding cycle for this container was 13 seconds, producing an output of 2,200 bph.