Product Selling points
Haitian 380-Ton Servo Second-Hand Injection Molding Machine (Model: MA3800/2250III)
The Haitian 380-ton second-hand injection molding machine (commonly known as MA3800/2250III) is a high-precision, energy-efficient solution for large-scale manufacturing. With a powerful clamping force of 3800 kN (380 tons), it is ideal for precision injection molding applications in industries such as automotive, large home appliances, logistics pallets, and industrial containers.
Energy-Saving and Low-Noise Operation
Equipped with an advanced servo drive system, this machine achieves energy savings of 20%-80% compared to traditional hydraulic machines, making it a cost-effective and eco-friendly choice. In addition, it operates with minimal noise, ensuring a quieter work environment. All core components have been rigorously tested, and on-site inspection and testing are available to guarantee optimal performance.
Machine Details





Technical Parameters
| Category | Parameter | A | B | C |
|---|---|---|---|---|
Injection Unit | Screw Diameter | 65 | 70 | 80 |
| Screw L/D Ratio | 21.5 | 20 | 17.5 | |
| Shot Size (Theoretical) | 1068 | 1239 | 1619 | |
| Injection Weight (PS) | 972 | 1127 | 1473 | |
| Injection Rate | 279 | 323 | 422 | |
| Injection Pressure | 208 | 180 | 138 | |
| Plasticizing Capacity (ps) | 52.9 | 63.1 | 85.0 | |
| Screw Speed | – | 0 – 180 | – | |
Clamping Unit | Clamp Tonnage | – | 3600 | – |
| Toggle Stroke | – | 660 | – | |
| Space Between Tie Bars | – | 710X710 | – | |
| Max.Mold Height | – | 710 | – | |
| Min. Mold Height | – | 250 | – | |
| Ejector Stroke | – | 160 | – | |
| Ejector Tonnage | – | 110 | – | |
Others | Max. Pump Pressure | – | 16 | – |
| Pump Motor Power | – | 37 | – | |
| Heater Power | – | 24.85 | – | |
| Machine Dimension (L×W×H) | – | 7.4×1.88×2.6 | – | |
| Machine Weight | – | 14.7 | – | |
| Hopper Capacity | – | 50 | – | |
| Oil Tank Capacity | – | 700 | – |






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