Video: Injection Blow Moulding (IBM) for Containers and Packaging
Video: Injection Blow Moulding (IBM) for Containers and Packaging

Ideal for smaller plastic bottles, the Injection Blow Moulding process can be used to mould a wide variety of polymers including PET and HDPE. Break down the steps and see one way plastic goes from pellet to container in this short video.

Injection Blow Moulding (IBM) happens in 2 Stages on a rotating platform.

Plastic is first extruded, meaning the pellets are fed into an extruder with a rotating screw, which, as it spins, created enough friction to melt the plastic pellets.

Stage 1:
The molten plastic is then injected into a preform mould around a core rod. The preform mold determine the final neck finish of the bottle.

Stage 2:
The core rod transfers the the molded preforms to the second moulding station, where they are captured by the cavity mould. Pressurized air is then introduced through the core rod, forcing the parison to expand into the shape of the cavity mould.

Once the final formed containers are cooled, they are ejected from the rotation and conveyed to a final quality check, where pressurized air is blown into the sealed container to check for leaks.

Find out more about additional blow moulding processes today to include Extrusion Blow Moulding and Injection Streatch Blow Moulding.

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Posted by Edward
on 05/04/2018
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