Ch 6 METBD 470
Chapter 9 – Plastic and Polymer Composite
Fabrication Processes
1. Injection Molding (or compression or transfer)
2. Extrusion
3. Thermo-Forming
4. Blow Molding (injection blow molding with preforms or extrusion
blow molding with parison)
5. Rotational Molding (combination of 3 and 4)
Ch 6 METBD 470
Ch 6 METBD 470
Molding Processes for PE: Molding Processes for Nylon
(30% GF):
© MFA and DC 2005
Desired
Batch Size
Screen on batch size*
*Using the CES EduPack Level 2 DB
Economic batch size (units)
1
10
100
1000
10000
1000 00
1e+006
1e+007
1e+008
Blow Moulding
Powder methods
Injection Moulding
Sheet forming
Die Casting
Compre ssion
Moulding
Expanded foam molding
Rotational
Moulding
Rolling and forging
Resin transfer
molding (RTM)
Electro-discharge machining
Thermoforming Rapid
prototyping
Lay-Up
methods
Sand casting
Polymer Casting
Economic batch size
Demo: the Process data-table
Ch 6 METBD 470
You Tube Videos:
Blow Molding: http://www.youtube.com/watch?v=vSabFFQUr9E&feature=related
Extrusion: http://www.youtube.com/watch?v=kpPS6S_EB4Q
Injection:
http://www.youtube.com/watch?v=bit-D1NnfjI&videos=BeAyHeQIsiY&playnext_from=TL&playn
Thermoforming: http://www.youtube.com/watch?v=NPLWxxyIJcE