SK-2800U 2800 Ton Two-Platen Injection Molding Machine from China Factory - Top Suppliers for Plastic Products
SK-2800U 2800Ton Two-Platen Injection Molding Machine: The Integrated Large-Scale Powerhouse for Heavy Industrial Manufacturing
The SUCCESSOR SK-2800U Two-Platen Injection Molding Machine is a high-performance, heavy-duty solution for large-scale industrial manufacturing, integrating the SK-U series' core proprietary technologies with significantly enhanced clamping force, injection volume, and precision control. This model is the definitive choice for producers operating in the most demanding sectors, including automotive, industrial equipment, and heavy-duty packaging, where the ability to consistently produce large, complex components with high dimensional accuracy is paramount to production success. At its core is a high-rigidity clamping unit, built upon a massive, reinforced frame featuring L-shaped precision guidance rails. This ultra-robust construction guarantees a platen movement accuracy of ±0.05mm, ensuring that consistent, high-quality results are achieved for every large, complex component that comes off the production line.
Protecting your capital investment is a fundamental design principle of the SK-2800U. The machine features a shock-free synchronous braking system, enhanced with a sophisticated buffered mechanism. This allows for rapid, impact-free clamping, which not only protects high-value large molds from damaging shock, but also ensures exceptional operational stability, leading to a longer service life for both the machine and the tooling. The machine's design prioritizes versatility and adaptability for large-scale production; the independent high-pressure cylinder design facilitates controlled slow high-pressure opening and makes tie-bar extraction simple and straightforward. This makes the SK-2800U an ideal choice for facilities with low-headroom constraints, and allows for highly flexible production layouts in large manufacturing plants. The machine's structural integrity is further reinforced by specially treated guide posts that ensure over 99% force uniformity, effectively preventing eccentric loading during high-pressure clamping and extending the machine's service life in continuous production.
The reinforced platen construction provides enhanced mold-closing stability, while the extended stroke is engineered to accommodate ultra-deep-cavity molds, offering a significant cost advantage over traditional three-plate alternatives. For unparalleled operational control, the machine is equipped with high-response dual proportional valves and an instantaneous response system, delivering the kind of precision that reduces cycle times and maximizes production throughput for large components. The streamlined design simplifies maintenance tasks, and the automated computer-controlled setup enables fast, accurate, and repeatable mold adjustments, minimizing changeover downtime. Perfect for manufacturing automotive body structural parts, large industrial equipment frames, and heavy-duty large packaging products, the SK-2800U masterfully balances power, efficiency, and reliability, making it the cornerstone of large-scale industrial production lines.
Complementing its robust performance and durability, the SUCCESSOR SK-2800U integrates intelligent innovation and energy efficiency to meet the evolving needs of modern large-scale industrial manufacturing. Its advanced intelligent control system features a high-definition touchscreen interface, enabling intuitive operation, real-time parameter monitoring, and precise adjustment of clamping force, injection speed, and temperature—ensuring optimal molding conditions for even the most complex large components. The machine is engineered with an energy-saving hydraulic system, which reduces power consumption by up to 20% compared to conventional heavy-duty injection molding machines, while maintaining peak performance. Additionally, its Industry 4.0 compatibility allows for seamless integration with factory intelligent management systems, supporting remote monitoring, predictive maintenance, and centralized production scheduling. This combination of power, precision, intelligence, and energy efficiency not only ensures consistent, high-quality production but also helps manufacturers reduce operational costs, enhance production flexibility, and maintain a competitive edge in the high-stakes, large-scale manufacturing landscape.
Shock-Free Synchronous Braking
A buffered mechanism ensures rapid, reliable clamping with zero impact.
Independent High-Pressure Cylinder
Facilitates controlled, slow high-pressure opening and enables easy tie-bar extraction for low-headroom facilities.
High-Rigidity Precision Guidance
An L-shaped rail on a robust frame guarantees ±0.05mm accuracy, ensuring rapid and stable platen movement.
Durable Guide Posts with Uniform Stress
Specially treated for rigidity and wear/corrosion resistance, achieving over 99% force uniformity to prevent eccentric loading and maximize service life.



MODEL |
SK-2800U |
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Description |
Item |
Unit |
A |
B |
C |
| INJECTION UNIT | Screw Diameter | MM | 190 | 200 | 210 |
| Screw L/D Ratio | L/D | 23.2 | 22 | 21 | |
| Shot Size (Theoretical) | CM³ | 31756 | 35186 | 38793 | |
| Injection Weight (PS) | G | 28898 | 32020 | 35302 | |
| Injection Rate | G/S | 1781 | 1973 | 2175 | |
| Plasticizing Capacity | G/S | 182 | 212 | 243 | |
| Injection Pressure | MPA | 152 | 137 | 125 | |
| Screw Speed | RPM | 0 - 50 | |||
| CLAMPING UNIT | Clamp Tonnage | KN | 28000 | ||
| Space Between Tie Bars | MM | 1900×1700 | |||
| Opening Stroke | MM | 3050/1900 | |||
| Max. Mold Height | MM | 2000 | |||
| Min. Mold Height | MM | 850 | |||
| Max. Daylight | MM | 3900 | |||
| Ejector Stroke | MM | 450 | |||
| Ejector Tonnage | KN | 400 | |||
| Ejector Number | PCS | 25 | |||
| OTHERS | Max. Pump Pressure | MPA | 17.5/21 | ||
| Pump Motor Power | KW | 60 + 60 + 60 + 42 + 21 | |||
| Heater Power | KW | 187.6 | |||
| Machine Dimension (L×W×H) | M | 16.6×4.9×5.3 | |||
| Machine Weight | T | 186 | |||
| Oil Tank Capacity | L | 3500 | |||









