Injection Moulding

Question 1

Step 1

Answer 1

Granules of plastic powder are fed in to a hopper which stores it until needed.

Question 2

Step 2

Answer 2

A heater heats up the tube and once it reaches a high temperature a screw thread starts running

Question 3

Step 3

Answer 3

A motor turns a thread which pushes the granules along the heater section which melts them in to a liquid

Question 4

Step 4

Answer 4

The liquid is injected in to a mould. It is left for a short period of time.

Question 5

Step 5

Answer 5

It is left to cool and solidify. The machine opens and ejector pins force the moulded item out