2. How many manufacturing process
• Injection molding process
1
• Assembly
2
Process model descriptions (1)
3. How does each manufacturing process work?
1.Injection molding process
Process model descriptions (2)
4. 1.Plastic pellets are
fed into hopper
2. Screw conveys
and melts the pellets
Process model descriptions (3)
5. 3. Melted polymer
is forced into mold.
4. Parts are formed
& cooled within mold.
5. Mold opens /
parts ejected or removed.
Process model descriptions (4)
6. Assembly process
Process model descriptions (4)
7. Advantage and disadvantages
1. Injection molding process
+ High production rates
Design flexibility
Repeatability within tolerances
- Possible defect for example flash and wraping
Process model descriptions (6)
8. How a part from one process is transferred
into another
-conveyor belt
Process model descriptions (7)
