Optimization of Process Parameters for Vertical-Faced Polypropylene Bottle Injection Molding

Figure 6

The hydraulic core-pulling system of infusion bottle injection molding: 1, tank; 2, relief valve; 3, pressure gauge; 4, reversing valve; 5, dividing-combining valve; 6, hydraulic lock; 7, hydraulic cylinder; 8, speed control valve; 9, explosion-proof motor; 10, gear pump; 11, oil filter; and 12, refined oil filter.