Blow Moulding Definition And Steps Flashcards
1
Q
Blow Moulding Definition
A
A manufacturing process where plastic parts are formed. Blow moulding a shape is a common industrial process. The plastics normally used in this process are; polythene, PVC and polypropylene.
2
Q
Step 1
A
The plastic is fed in granular form into a ‘hopper’ that stores it.
3
Q
Step 2
A
A large thread is turned by a motor which feeds the granules through a heated section.
4
Q
Step 3
A
In this heated section the granules melt and become a liquid and the liquid is fed into a mould.
5
Q
Step 4
A
Air is forced into the mould which forces the plastic to the sides, giving the shape of the bottle.
6
Q
Step 5
A
The mould is then cooled so that it’s able to be removed after the process has finished
