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China SK-2800U 2800 Ton Two-Platen Injection Molding Machine - Reliable Suppliers from Factory
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China SK-2800U 2800 Ton Two-Platen Injection Molding Machine - Reliable Suppliers from Factory

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Model No.: SK-2800U

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Application: Ideal for Manufacturing Various Plastic Products
Delivery Terms: Available for FOB, CFR, CIF, EXW, and CIP.
Payment Methods: We accept T/T, L/C, Western Union, and MoneyGram.
Payment Currencies: We support multiple currencies including USD, USTD, CNY, EUR, AUD, CAD, CHF, DKK, GBP, HKD, JPY, NOK, NZD, SEK, SGD, AED, IDR, NGN, BRL, MXN, MYR, PHP, and ZAR.

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As a leading China factory, we specialize in producing high-quality plastic manufacturing solutions. Partner with top suppliers to enhance your production efficiency and quality standards. Contact us today to learn more about our SK-2800U model and how it can benefit your business!

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  • Suitable Material PP, PS, PE, ABS
  • Clamping force (KN) 28000 KN
  • Theoretical Shot Volume(cm³) 31756-38793 cm³
  • Theoretical Injection weight (PET) 28898-35302 g
  • Tie-bar Distance 1900×1700 mm
  • Open stroke(mm) 3050/1900 mm
  • Voltage 3 Phases 380V / 440V(Optional) / 220V(optional), 50HZ/60HZ

Product Introduction

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.

Core Engineering Highlights

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Shock-Free Synchronous Braking

A buffered mechanism ensures rapid, reliable clamping with zero impact.

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Independent High-Pressure Cylinder

Facilitates controlled, slow high-pressure opening and enables easy tie-bar extraction for low-headroom facilities.

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High-Rigidity Precision Guidance

An L-shaped rail on a robust frame guarantee ±0.05mm accuracy, ensuring rapid and stable platen movement.

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Durable Guide Posts with Uniform Stress

Specially treated for rigidity and wear/corrosion resistance, these posts achieve over 99% force uniformity to prevent eccentric loading and maximize service life.

SK-2800U 2800Ton Two-Platen Injection Molding Machine
Exceptional Precision in Mold Opening Position
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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).

Ultra-Sensitive Mold Protection
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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.

High-Speed Performance, Lower Cycle Times
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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).

Partial Product

Machine Specifications

MODEL SK-2800U
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

Certifications

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Company Exhibition

Clients Plants Site

Packaging & Shipping

Frequently Asked Questions

Q What is the clamping force of the SK-2800U Two-Platen Injection Molding Machine?
The SK-2800U delivers a clamping force of 28,000 KN (2,800 tons), making it one of the most powerful two-platen injection molding machines available for large-scale industrial manufacturing applications.
Q What industries is the SK-2800U best suited for?
The SK-2800U is ideally suited for automotive body structural parts, large industrial equipment frames, and heavy-duty large packaging products. Its high clamping force, precision control, and extended stroke make it the preferred choice for sectors that demand consistent production of large, complex components.
Q How does the SK-2800U protect molds during the clamping process?
The machine features a shock-free synchronous braking system with a sophisticated buffered mechanism that enables rapid, impact-free clamping. Additionally, its intelligent deceleration control achieves the "A4 paper rebound" sensitivity standard, stopping immediately upon the slightest obstruction to protect high-value molds from damage.
Q Does the SK-2800U support Industry 4.0 and smart factory integration?
Yes. The SK-2800U is fully Industry 4.0 compatible, supporting seamless integration with factory intelligent management systems. It enables remote monitoring, predictive maintenance, and centralized production scheduling, helping manufacturers improve operational efficiency and reduce downtime.
Q What energy-saving features does the SK-2800U offer?
The SK-2800U is engineered with an advanced energy-saving hydraulic system that reduces power consumption by up to 20% compared to conventional heavy-duty injection molding machines, while maintaining peak performance output throughout continuous production cycles.
Q What are the maximum mold dimensions the SK-2800U can accommodate?
The SK-2800U accommodates molds with a maximum height of 2,000 mm and a minimum height of 850 mm. The space between tie bars is 1,900×1,700 mm, with a maximum daylight of 3,900 mm and an opening stroke of 3,050/1,900 mm, making it suitable for ultra-deep-cavity and large-format molds.