F-PET Series High-Speed PET Preform Injection Molding System
High-Speed PET Preform Production
The SANTSAI F-PET Series is engineered for fast, stable and energy-efficient PET preform production. The series includes the F-PET220 and F-PET320, covering 48- and 72-cavity applications for medium- and high-output PET packaging projects.
Combining two-stage injection, external preform cooling and servo-driven operation, the F-PET Series helps shorten cycle times while maintaining consistent melt preparation and repeatable production quality.
Two-Stage Injection for Stable Processing
The two-stage injection system separates plasticizing from injection. Continuous material preparation and independent injection help maintain stable melt quality, repeatable filling and consistent preform weight.
Key advantages include:
- Two-stage PET injection system
- Independent plasticizing and injection
- Stable melt preparation
- Repeatable cavity filling
- Automatic mold-height adjustment
- Fast and coordinated machine movements
Three-Station External Preform Cooling
A three-station external cooling robot transfers part of the cooling process outside the mold. This reduces the required in-mold cooling time and supports shorter production cycles.
Key advantages include:
- Three-station external preform cooling
- Automatic preform take-out and transfer
- Reduced in-mold cooling time
- Stable preform handling
- Coordinated operation with the injection cycle
Stable and Mold-Friendly Operation
The F-PET Series combines servo-pump technology, low-pressure mold protection and an optimized platen-support structure for stable continuous production.
The low-pressure mold protection function helps detect abnormal resistance during mold closing, reducing the risk of damage to the mold and molded parts.
Lower Operating Cost
The optimized PET plasticizing unit uses servo-electric plasticizing and energy-efficient barrel heating to reduce unnecessary power consumption while maintaining consistent material preparation.
Key features include:
- Servo-electric plasticizing
- Optimized PET plasticizing unit
- Energy-efficient barrel heating
- Servo-pump hydraulic system
- Reduced idle energy consumption
- Stable continuous operation
Intelligent Process Control
The machine control platform supports production monitoring, fault diagnosis and SPC-based process management. Operators can monitor critical process parameters and trace production data to support consistent product quality.
Key functions include:
- Process parameter monitoring
- Embedded SPC functions
- Production-data recording
- Fault diagnosis
- Quality traceability
- User-friendly machine operation
Model Selection
The F-PET220 is suitable for 48-cavity PET preform production, while the F-PET320 is designed for higher-output 72-cavity applications. Final machine selection should be based on preform weight, neck finish, mold configuration, target cycle time and required production capacity.
Technical Specifications
| Specification | Unit | F-PET220 | F-PET320 |
|---|---|---|---|
| Screw Diameter | mm | 100 | 110 |
| Theoretical Shot Weight | g | 2,925 | 3,860 |
| Clamping Force | t | 220 | 320 |
| Clamping Stroke | mm | 590 | 700 |
| Mold Thickness (Min.–Max.) | mm | 450–750 | 450–900 |
| Tie-Bar Spacing (H × V) | mm | 620 × 720 | 830 × 830 |
| Maximum Mold Cavities | pcs | 48 | 72 |
| Motor Power | kW | 161 | 171.5 |
| Total Installed Power | kW | 261.7 | 293.6 |
| Machine Dimensions (L × W × H) | mm | 9,150 × 4,340 × 2,480 | 10,500 × 4,500 × 2,720 |
Reference Production Performance
Test condition: 23 g PCO 1881 PET preform.
| Performance Item | Unit | F-PET220 | F-PET320 |
|---|---|---|---|
| Mold Cavities | pcs | 48 | 72 |
| Reference Cycle Time | s | 10.5 ±0.5 | 10.5 ±0.5 |
| Theoretical Output | pcs/h | 16,457 | 24,685 |
| PET Throughput | kg/h | 378.5 | 567.7 |
| Theoretical Capacity | t/day | 9.08 | 13.6 |
All production figures are reference values. Actual performance depends on the preform design, resin specification, mold, cooling capacity, auxiliary equipment and processing conditions.
Complete PET Preform Production Solution
SANTSAI can configure a complete PET preform production cell, including:
- F-PET injection molding system
- Multi-cavity PET preform mold
- Three-station external cooling robot
- Dehumidifying dryer
- Material conveying system
- Industrial chiller
- Mold cooling system
- Compressed-air system
- Process-monitoring equipment
Request an F-PET Production Proposal
Please send us your preform drawing, preform weight, neck finish, required mold cavities, target cycle time, expected output, PET or rPET ratio, local power supply and factory layout.
SANTSAI will recommend the appropriate machine, mold, cooling system and auxiliary-equipment configuration for your project.
