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EXTRUSION BLOW MOULDING MACHINE
V. Ryan 2012-2022
 
 
 
 
EXAMPLE - EXTRUSION BLOW MOULDING
 
ANIMATION OF EXTRUSION BLOW MOULDING
 
The extrusion blow moulding process (EBM), is very similar to blow moulding. The only difference is at the mould.

LDPE granules are heated and made into a molten state. The liquid is extruded through a nozzle in the form of a tube called a 'Parison'.
The two halves of the mould close on the 'Parison' and shut tight.
Compressed air is blown into the Parison forcing the LDPE to the sides of the mould, where it cools. The moulds open, releasing the product.
 
 
 
 
 
 
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