SK-900U 900 Ton Two-Platen Injection Molding Machine from China Suppliers and Factory for Various Plastic Products

The Engineered Workhorse: Reliability and Power for Heavy-Duty Mid-to-Large Volume Production

The SUCCESSOR SK-900U Two-Platen Injection Molding Machine is purpose-built for heavy-duty mid-to-large volume production, integrating the SK-U series' signature precision with significantly enhanced power and reliability. It is the machine of choice for manufacturers who face demanding production schedules and require a solution that can consistently deliver complex, high-tolerance components without compromise.

The foundation of its performance is the high-rigidity clamping unit, built upon a robust and reinforced frame. This is combined with L-shaped precision guidance rails to ensure a remarkable platen movement accuracy of ±0.05mm, even when processing the most complex and demanding components. This precision is maintained throughout long production cycles, guaranteeing unwavering part consistency.

Operator safety and equipment longevity are paramount, which is why the SK-900U features a shock-free synchronous braking system with a sophisticated buffered mechanism. This allows for rapid, impact-free clamping, which not only protects the mold from damaging shock but also ensures consistent part quality cycle after cycle. The machine's design prioritizes versatility; the independent high-pressure cylinder design facilitates a controlled, slow high-pressure opening and makes tie-bar extraction simple and straightforward, making the machine perfectly suited for facilities with space constraints.

At its core, the machine relies on specially treated guide posts that achieve over 99% force uniformity, effectively preventing eccentric loading and contributing significantly to the extended service life of the entire unit. The reinforced platen construction guarantees superior mold-closing stability, while the extended stroke is engineered to accommodate deep-cavity molds, providing a more cost-effective investment compared to three-plate alternatives.

For ultimate control, the SK-900U is equipped with high-response dual proportional valves and an instantaneous response system, delivering unmatched operational efficiency and reducing cycle times. The streamlined design simplifies maintenance tasks, and the automated computer-controlled setup enables fast, accurate, and repeatable mold adjustments. Perfect for automotive structural parts, large industrial components, and heavy-duty packaging, the SK-900U masterfully balances raw power, engineering precision, and cost-effectiveness, making it the ideal partner for the most demanding manufacturing environments.

Core Engineering Highlights

01

Exceptional Precision in Mold Opening Position

Achieves a repeatable mold opening accuracy of ±0.2mm—a fivefold improvement over standard three-plate machines. (Verified by internal 1200-ton testing).

02

Ultra-Sensitive Mold Protection

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.

03

High-Speed Performance, Lower Cycle Times

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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Frequently Asked Questions

• Q What is the clamping force of the SK-900U Two-Platen Injection Molding Machine?
  The SK-900U delivers a clamping force of 9,000 KN (900 tons). This substantial clamping power, combined with its reinforced platen construction and high-rigidity frame, makes it ideal for producing large, complex, and high-tolerance components in demanding production environments.
• Q What platen movement accuracy does the SK-900U achieve?
  The SK-900U achieves a platen movement accuracy of ±0.05mm, made possible by the L-shaped precision guidance rails mounted on a robust, reinforced frame. Additionally, mold opening position repeatability reaches ±0.2mm—a fivefold improvement over standard three-plate machines—as verified by internal 1200-ton testing.
• Q What industries and applications is the SK-900U best suited for?
  The SK-900U is engineered for a wide range of heavy-duty applications including automotive structural parts, large industrial components, and heavy-duty packaging. Its extended stroke accommodates deep-cavity molds, and its precision control system makes it equally suitable for complex, high-tolerance parts across various manufacturing sectors.
• Q How does the SK-900U protect molds during operation?
  The SK-900U features a shock-free synchronous braking system with a sophisticated buffered mechanism that enables rapid, impact-free clamping to protect molds from damaging shock. Its intelligent deceleration control provides ultra-sensitive mold protection, meeting the "A4 paper rebound" standard—capable of stopping on the slightest obstruction to safeguard valuable tooling.
• Q What are the key advantages of the two-platen design over traditional three-platen machines?
  The two-platen design of the SK-900U offers several advantages: a smaller machine footprint that suits facilities with space constraints, easier tie-bar extraction via the independent high-pressure cylinder design, a more cost-effective investment for deep-cavity mold applications compared to three-plate alternatives, and faster dry cycles that directly improve productivity and output.
• Q What screw diameter and shot size options are available for the SK-900U?
  The SK-900U is available in three injection unit configurations: 100mm screw (shot size 4,082 cm³), 105mm screw (shot size 4,500 cm³), and 115mm screw (shot size 5,398 cm³). Injection pressure ranges from 152 to 201 MPA depending on the selected configuration, providing flexibility to match a wide range of material and production requirements.