China SK-2400U 2400 Ton Two-Platen Injection Molding Machine - Reliable Suppliers & Factory Equipment
Product Introduction
SK-2400U 2400Ton Two-Platen Injection Molding Machine: The Versatile Industrial Powerhouse for Heavy-Duty Large-Component Molding
Engineered for heavy-duty industrial manufacturing, the SUCCESSOR SK-2400U Two-Platen Injection Molding Machine stands out with its upgraded power, enhanced structural rigidity, and superior adaptability for the most challenging manufacturing applications, embodying the SK-U series' core commitment to engineering excellence. This model is custom-designed for manufacturers that need a robust and versatile machine capable of handling the most demanding large-format applications, from automotive chassis components to industrial machinery housings, with uncompromising molding speed and finished part quality. Its outstanding performance is anchored by a high-rigidity clamping unit, precisely paired with advanced precision guidance systems, which ensures stable platen movement with a guaranteed accuracy of ±0.05mm. This level of precision is absolutely critical for producing large components with the tightest tolerances, ensuring every part meets the most exacting industry standards.
To maximize production efficiency and finished product yield, the SK-2400U is equipped with a three-rod, single-cylinder braking system. This configuration ensures precise synchronization during all mold operations, eliminating timing errors that can lead to part defects and significantly boosting overall product yield, protecting your production profitability. The machine's performance is further amplified by an instantaneous response system, integrated with high-response dual proportional valves. This combination delivers rapid, reliable action response, reducing overall cycle times and improving overall productivity, even on the most complex and demanding molding applications. Flexibility is built into every aspect of its design; the independent high-pressure cylinder allows for controlled slow high-pressure opening and easy tie-bar extraction, making it perfectly adaptable to low-headroom facilities and the complexities of modern multi-variety production environments.
Durability is a key engineering focus of the SK-2400U, achieved through uniform-stress guide posts that are specially treated for superior wear and corrosion resistance. These guide posts achieve over 99% force uniformity, preventing eccentric loading during high-pressure clamping and maximizing the machine's long service life even in harsh production environments. The reinforced platen enhances overall mold stability during production, while the extended stroke accommodates deep-cavity molds, providing a more cost-effective solution than investing in higher-spec three-plate machines. The streamlined design simplifies daily maintenance, and the automated setup system enables quick and efficient mold changes, minimizing downtime and maximizing production uptime. The SK-2400U is a versatile and reliable solution, perfectly suited for high-demand industrial production that requires a powerful, precise, and durable machine to meet the most stringent production goals.
Core Engineering Highlights
Shock-Free Synchronous Braking
Buffered structure provides fast, reliable clamping with complete impact elimination.
Independent High-Pressure Cylinder
Realizes controlled slow high-pressure opening and easy tie-bar disassembly for low-headroom spaces.
High-Rigidity Precision Guidance
L-shaped rails on solid frame ensure ±0.05mm precision and smooth rapid platen movement.
Durable Guide Posts with Uniform Stress
Specially treated for stiffness, wear and corrosion resistance. Over 99% force balance prevents offset loads and prolongs durability.
Exceptional Precision in Mold Opening Position
We maintain consistent ±0.2mm repeatable mold opening tolerance, offering fivefold precision improvement over standard three-plate machines. Verified by internal 1200-ton performance tests.
Ultra-Sensitive Mold Protection
SK-U series intelligent slow-down control achieves the strict A4 paper rebound protection level. It halts immediately at minimal interference, fully protecting your expensive molds with maximum dependability.
High-Speed Performance, Lower Cycle Times
Our upgraded system drastically improves dry cycle speed with fast mold opening and closing actions, which directly lifts production efficiency and total output. Verified by internal 1200-ton tests.
Partial Product
Machine Specifications
| MODEL | SK-2400U | ||||
|---|---|---|---|---|---|
| Description | Item | Unit | A | B | C |
| INJECTION UNIT | Screw Diameter | MM | 160 | 170 | 180 |
| Screw L/D Ratio | L/D | 22.3 | 21 | 19.8 | |
| Shot Size (Theoretical) | CM³ | 19463 | 21972 | 24633 | |
| Injection Weight (PS) | G | 17712 | 19995 | 22417 | |
| Injection Rate | G/S | 1354 | 1529 | 1714 | |
| Plasticizing Capacity | G/S | 160 | 192 | 228 | |
| Injection Pressure | MPA | 184 | 163 | 146 | |
| Screw Speed | RPM | 0 - 60 | |||
| CLAMPING UNIT | Clamp Tonnage | KN | 24000 | ||
| Space Between Tie Bars | MM | 1840×1640 | |||
| Opening Stroke | MM | 2900/1800 | |||
| Max. Mold Height | MM | 1900 | |||
| Min. Mold Height | MM | 800 | |||
| Max. Daylight | MM | 3700 | |||
| 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 + 27 + 21 | |||
| Heater Power | KW | 140 | |||
| Machine Dimension (LxWxH) | M | 15.2×4.5×5.2 | |||
| Machine Weight | T | 148 | |||
| Oil Tank Capacity | L | 3200 | |||
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Frequently Asked Questions (FAQ)
Q What are the primary applications of the SK-2400U injection molding machine?
The SK-2400U is designed for heavy-duty large-component molding, making it ideal for automotive chassis parts, large industrial machinery housings, deep-cavity containers, and large utility crates requiring high clamping force and strict precision.
Q How does the machine achieve ±0.05mm platen guidance accuracy?
The high-rigidity clamping unit is paired with precision L-shaped guidance rails on a solid machine base frame. This setup eliminates platen deflection and ensures smooth, ultra-precise movement throughout every cycle.
Q How does the ultra-sensitive mold protection system work?
The SK-U series features intelligent deceleration control sensitive enough to achieve an "A4 paper rebound" level. If minimal interference or foreign material is detected, the clamping motion halts immediately to prevent costly mold damage.
Q Can the SK-2400U operate efficiently in facilities with low headroom?
Yes. The machine includes an independent high-pressure cylinder system that enables controlled slow high-pressure mold opening and simplified tie-bar extraction, allowing easy mold mounting and maintenance even in height-restricted factory spaces.
Q What ensures the long-term durability of the guide posts?
The guide posts undergo specialized surface treatment for high wear and corrosion resistance and achieve over 99% force balance uniformity. This effectively eliminates eccentric or offset loading during high-pressure clamping phases.
Q How does the two-platen design reduce production cycle times?
With an instantaneous response hydraulic system, dual high-response proportional valves, and synchronized shock-free braking, dry cycle speed is significantly accelerated, leading to faster mold opening/closing and higher finished part yields.