INJECTION MOULDING
Once you have learnt the injection moulding techniques and drawing, its easy to remember the blow moulding diagram too (see further down this page) You must be able to draw and label the diagrams, so revise them, cover them up and redraw them. The check if can redraw them exact!
The mould is the shape of the final product and makes a SOLID item.
The mould is the shape of the final product and makes a SOLID item.
Flowchart of Steps involved in Injection Moulding
BLOW MOULDING
This is virtually the same process as injection moulding, but with the addition of air. This air pushes the plastic to the outside of the mould making a HOLLOW product, eg a bottle.
