Group work for EMM3583 Manufacturing Technology

1. HOW TO MADE PLASTIC BOTTLE
(EXTRUSION BLOW MOLDING)
By:
1. Amirul Asraff Bin Abd Razak (2170836)
2. Muhammad Akmal Naim Bin Ramrouse Mazlan (2170225)
3. Mohd Nabil Amzar Bin Darus (2170840)
4. Muhammad Izzat Hakim Bin Ismail (2170200)

2. Process of extrusion blow molding:

3. Advantage of extrusion blow molding:
 Cost effective compared to injection moulding.
 Performance
Extrusion Blow
Molding
Injection Blow
Molding
Equipment cost Low High
Machinery cost Low High
Part cost Moderate-high Low-moderate
Extrusion Blow
Molding
Injection Blow
Molding
Accuracy Moderate High
Strength High Moderate

4. Comparison of Machine
Extrusion Blow Molding Injection Blow Molding
Operation Simpler Complicated
Versatile More Less
Waste of plastic More Less
Size of molding Large Limitation
Cycle time Shorter Longer
Thickness of molding Less uniform More uniform