Quality Indexes Design for Online Monitoring Polymer Injection Molding

Table 8

Process parameter settings for varied back pressure experiments.

Fixed parameters
Feeding stroke (mm)	40	Packing pressure (MPa)	105
Barrel temperature (°C)	210	Packing time (s)	5
Screw rotational speed (rpm)	100	Cooling time (s)	15
Injection speed (mm/s)	90	Mold temperature (°C)	60
V/P switch (mm)	15	Clamping force (kN)	600
Varied parameter
Back pressure (MPa)	5, 10, 15, 20