Optimal Design for an Extruder Head Runner Based on Response Surface Method and Simulated Annealing Algorithm

Table 2

PB design factors and levels.

Factors	Low level	High level	Original level
Angle /°	10	20	15
Angle /°	40	60	66
Radius /mm	10	30	15
Width /mm	55	85	70
Radius /mm	15	35	25
Radius /mm	20	40	30
Width /mm	140	180	160
Radius /mm	40	60	56.6