This PET bottle preform injection machine is a high-precision, fully automatic injection molding system designed specifically for manufacturing PET preforms, which are the intermediate products used to produce plastic bottles through blow molding. The machine utilizes advanced screw and barrel technology to melt and inject PET resin into multi-cavity molds, producing uniform preforms with consistent neck finishing and dimensional accuracy. Equipped with a servo-driven hydraulic system or all-electric drive, it offers energy efficiency, fast cycle times, and high output. Ideal for water bottle, beverage, edible oil, and pharmaceutical packaging industries.
| Specification | Details |
|---|---|
| Material | Hardened steel platens, cast iron base |
| Machine Type | Fully automatic, servo-hydraulic or all-electric |
| Clamping Force | 120 – 500 tons |
| Injection Volume | 200 – 3000 cm³ |
| Number of Cavities | 8 – 96 cavities |
| Preform Neck Size | 18 mm – 38 mm (PCO, Alcoa, etc.) |
| Preform Weight | 10 – 180 grams |
| Screw Diameter | 45 – 100 mm |
| Injection Pressure | 1800 – 2500 bar |
| Heating Zones | 5 – 10 zones with PID temperature control |
| Cycle Time | 8 – 25 seconds (depending on cavity count and preform weight) |
| Power Consumption | 40 – 250 kW |
| Voltage | 380V / 440V / 480V (customizable) |
| Control System | PLC with color touchscreen HMI, remote diagnostics |
| Automation | Robotic take-out system, conveyor integration |
| Dimensions | Approx. 6500 × 2200 × 2600 mm (varies) |
| Weight | 10 – 40 tons |
| Safety Features | Safety gates, emergency stop, hydraulic pressure monitoring |
| Type | Price Range |
|---|---|
| Small / 120–200 Ton (8–32 cavities) | $35,000 – $90,000 |
| Medium / 200–350 Ton (32–72 cavities) | $90,000 – $200,000 |
| Large / 350–500+ Ton (72–96+ cavities) | $200,000 – $450,000+ |
Prices vary based on clamping force, number of cavities, injection volume, drive system (servo-hydraulic vs. all-electric), and brand. Mold cost, installation, shipping, and customs duties are typically additional.
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