China SK-1080U 1080 Ton Two-Platen Injection Molding Machine - Top Suppliers and Factory for Plastic Products
Product Introduction
The Performance Upgrade: Optimized Rigidity for High-Volume Production Excellence
Crafted for high-performance large-volume production, the SUCCESSOR SK-1080U Two-Platen Injection Molding Machine enhances the SK-U series' engineering excellence with a focus on optimized rigidity and exceptional responsiveness. This model is designed for manufacturers who operate at the peak of production, where every second counts and part quality is non-negotiable. Its core is a high-rigidity clamping unit, precisely paired with advanced precision guidance systems, to ensure stable platen movement with an unwavering accuracy of ±0.05mm. This precision is absolutely critical for producing complex parts that demand the tightest tolerances, ensuring that every single component meets exact specifications.
To drive productivity and minimize waste, the SK-1080U features a three-rod, single-cylinder braking system. This system ensures precise synchronization during every phase of the mold operation—opening, closing, and ejection—which minimizes errors and directly boosts product yield, protecting your bottom line. Performance is supercharged by an instantaneous response system, integrated with high-response dual proportional valves. This combination delivers rapid, reliable control, effectively reducing cycle times without ever compromising on the quality of the finished part.
The machine's design is also highly adaptable; the independent high-pressure cylinder enables controlled, slow high-pressure opening and easy tie-bar extraction, making it perfectly suited for low-headroom facilities and allowing for flexible production layouts. Durability is engineered into every detail, from the uniform-stress guide posts—specially treated for enhanced rigidity and corrosion resistance—to the reinforced platen that enhances overall mold stability. These guide posts achieve over 99% force uniformity, preventing eccentric loading and maximizing the machine's long-term service life.
The extended stroke is designed to accommodate deep-cavity molds, offering a significant cost reduction compared to investing in larger three-plate machines. The streamlined design simplifies routine maintenance, and the automated setup system enables quick and accurate mold adjustments, minimizing downtime. Ideal for automotive components, large household appliances, and critical industrial parts, the SK-1080U is the definitive choice for production lines that demand a powerful, precise, and efficient machine to meet their high-demand targets.
Core Engineering Highlights
A buffered mechanism ensures rapid, reliable clamping with zero impact.
Facilitates controlled, slow high-pressure opening and enables easy tie-bar extraction for low-headroom facilities.
An L-shaped rail on a robust frame guarantees ±0.05mm accuracy, ensuring rapid and stable platen movement.
Specially treated for rigidity and wear/corrosion resistance, these posts achieve over 99% force uniformity to prevent eccentric loading and maximize service life.
Achieves a repeatable mold opening accuracy of ±0.2mm—a fivefold improvement over standard three-plate machines. (Verified by internal 1200-ton testing).
SK-U series machines' intelligent deceleration control provides unparalleled sensitivity, achieving the "A4 paper rebound" standard. It can stop on the slightest obstruction, ensuring your valuable molds are protected with maximum reliability.
Experience significantly faster dry cycles. Our optimized system delivers rapid mold opening and clamping, translating directly into enhanced productivity and greater output. (Verified by 1200-ton internal testing).
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Machine Specifications
| MODEL | SK-1080U | ||||
|---|---|---|---|---|---|
| Description | Item | Unit | A | B | C |
| INJECTION UNIT | Screw Diameter | MM | 100 | 110 | 120 |
| Screw L/D Ratio | L/D | 24.2 | 22 | 20.2 | |
| Shot Size (Theoretical) | CM³ | 4006 | 4847 | 5768 | |
| Injection Weight (PS) | G | 3645 | 4410 | 5249 | |
| Injection Rate | G/S | 672 | 813 | 968 | |
| Plasticizing Capacity | G/S | 101 | 121 | 140 | |
| Injection Pressure | MPA | 211 | 174 | 146 | |
| Screw Speed | RPM | 0 – 120 | |||
| CLAMPING UNIT | Clamp Tonnage | KN | 10800 | ||
| Space Between Tie Bars | MM | 1200×1050 | |||
| Opening Stroke | MM | 1800/1100 | |||
| Max. Mold Height | MM | 1200 | |||
| Min. Mold Height | MM | 500 | |||
| Max. Daylight | MM | 2300 | |||
| Ejector Stroke | MM | 350 | |||
| Ejector Tonnage | KN | 280 | |||
| Ejector Number | PCS | 17 | |||
| OTHERS | Max. Pump Pressure | MPA | 17.5/21 | ||
| Pump Motor Power | KW | 60 + 60 + 13 | |||
| Heater Power | KW | 68.45 | |||
| Machine Dimension (L×W×H) | M | 9.6×3.4×3.2 | |||
| Machine Weight | T | 46 | |||
| Oil Tank Capacity | L | 1250 | |||
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Frequently Asked Questions
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What is the clamping force of the SK-1080U Two-Platen Injection Molding Machine?The SK-1080U delivers a clamping force of 10,800 KN (approximately 1,080 tons). This substantial clamping tonnage makes it well-suited for producing large, complex parts in automotive, household appliance, and industrial applications.
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What platen movement accuracy does the SK-1080U achieve?The SK-1080U features a high-rigidity clamping unit paired with an L-shaped precision guidance rail system, achieving stable platen movement accuracy of ±0.05mm. This level of precision is critical for producing complex, tight-tolerance components consistently across high-volume production runs.
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Is the SK-1080U suitable for low-headroom factory environments?Yes. The SK-1080U is equipped with an independent high-pressure cylinder that enables controlled, slow high-pressure opening and facilitates easy tie-bar extraction. This design makes the machine highly compatible with low-headroom facilities, providing flexible installation and production layout options.
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What industries and applications is the SK-1080U designed for?The SK-1080U is ideal for a wide range of demanding industries, including automotive component manufacturing, large household appliance production, and critical industrial parts fabrication. Its extended stroke also accommodates deep-cavity molds, offering cost advantages over larger three-plate machine alternatives.
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How does the SK-1080U protect molds during operation?The SK-U series features intelligent deceleration control that provides ultra-sensitive mold protection, meeting the "A4 paper rebound" standard. The machine can detect and halt on the slightest obstruction during mold closing, effectively preventing costly mold damage and ensuring maximum reliability in continuous production environments.
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What are the available screw diameter options and corresponding shot sizes for the SK-1080U?The SK-1080U offers three injection unit configurations: Screw A (100mm diameter, 4006 cm³ shot size), Screw B (110mm diameter, 4847 cm³ shot size), and Screw C (120mm diameter, 5768 cm³ shot size). This flexibility allows manufacturers to select the optimal configuration based on their specific material and production requirements.









