Three important elements of injection molding
 

Injection molding machine
The structure of the injection molding machine
The equipment of the injection molding machine Injection molding unit
Screw(Diameter/Stroke)
Injection pressure
Theoretical injection volume
Injection capacity
Injection rate/Injection speed
Injection H.P
Capacity of plasticity
Screw RPM
Injection molding mold
Clamp force
Mold Opening Force
Ejecting Force

Injection molding mold
The structure and terms of the injection molding mold Sprue/Runner/Gate
Sprue
Runner
Gate
Ejector Mechanism
Pin ejector
Sleeve ejector
Stripper plate
Air ejector
Temperature control unit
Cooling channel

Injection molding material
The classification of injection molding material	The characteristics and usage of plastic material
The comparison of material characteristics	ABS, SAN, PMMA, PS PP, POM, PC, PA, PVC
amorphous polymer
crystalline polymer