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China SK-1800U 1800Ton Two-Platen Injection Molding Machine | Suppliers & Factory Direct Offer
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China SK-1800U 1800Ton Two-Platen Injection Molding Machine | Suppliers & Factory Direct Offer

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Model No.: SK-1800U

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Discover the SK-1800U, a top-notch solution for producing various plastic products. As a leading China manufacturer, our factory excels in delivering high-quality machinery tailored to meet your production needs. We offer flexible delivery terms including FOB, CFR, CIF, EXW, and CIP to accommodate our clients' requirements.

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For your convenience, we accept a variety of payment methods such as T/T, L/C, Western Union, and MoneyGram. Our payment options include multiple currencies: USD, USTD, CNY, EUR, AUD, CAD, CHF, DKK, GBP, HKD, JPY, NOK, NZD, SEK, SGD, AED, IDR, NGN, BRL, MXN, MYR, PHP, and ZAR. Partner with us, your trusted China suppliers, and elevate your production process with our innovative machinery.

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  • Suitable Material PP, PS, PE, ABS
  • Clamping force (KN) 18000 KN
  • Theoretical Shot Volume(cm³) 8369-11009 cm³
  • Theoretical Injection weight (PET) 7524-10018 g
  • Tie-bar Distance 1580×1480 mm
  • Open stroke(mm) 2900/1800 mm
  • Voltage 3 Phases 380V / 440V(Optional) / 220V(optional), 50HZ/60HZ

Product Introduction

SK-1800U 1800Ton Two-Platen Injection Molding Machine: The High-Precision Industrial Powerhouse for Demanding Large-Component Manufacturing

★ Key Advantage: ±0.05mm positioning accuracy — the cornerstone of producing large components with ultra-tight tolerances, ensuring consistent quality and repeatability in every production cycle.

Crafted for high-end industrial large-scale manufacturing, the SUCCESSOR SK-1800U Two-Platen Injection Molding Machine elevates the SK-U series' performance to a new level, delivering exceptional rigidity, ultra-high precision, and rapid responsiveness for the most demanding production environments. This model is the ultimate choice for manufacturers in high-stakes industries, where the production of large, high-tolerance components such as automotive structural parts and industrial machinery core components demands nothing less than absolute molding perfection. Its outstanding performance is built on a high-rigidity clamping unit, precisely paired with an advanced precision guidance system, which guarantees stable platen movement with an unwavering ±0.05mm positioning accuracy.

To drive maximum productivity and minimize material waste, the SK-1800U is equipped with a three-rod, single-cylinder braking system. This system ensures precise synchronization during every single mold operation, from opening and closing to ejection, which effectively minimizes action errors and boosts product yield to the highest possible levels. The machine's performance is supercharged 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 for the most complex and demanding molding applications. The machine's design is built for maximum adaptability; the independent high-pressure cylinder allows for controlled slow high-pressure opening and easy tie-bar extraction, making it perfectly suited for low-headroom facilities and the complex layout needs of modern high-end production environments.

Durability is engineered into every component of the SK-1800U, from the uniform-stress guide posts, which are specially treated for enhanced rigidity and corrosion resistance, to the reinforced platen that provides superior mold stability. These guide posts achieve over 99% force uniformity, preventing eccentric loading and maximizing the machine's long-term service life even in 24/7 continuous production. The extended stroke is designed to accommodate ultra-deep-cavity molds, offering a more cost-effective alternative to 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 effective production uptime.

Beyond its core performance advantages, the SUCCESSOR SK-1800U integrates intelligent industrial technology to redefine efficiency in high-end large-scale molding. Equipped with a user-friendly intelligent control system, it supports real-time monitoring of key operational parameters—including clamping force, injection speed, and temperature—allowing operators to adjust settings with precision and trace production data for quality control and process optimization. The machine is also compatible with Industry 4.0 integration, enabling seamless connection to factory intelligent management systems, realizing remote monitoring, fault early warning, and batch production scheduling. Whether facing the high-volume production of automotive structural parts, the precision molding of industrial machinery core components, or the complex processing of large-size, high-tolerance products, the SK-1800U balances power and finesse, rigidity and flexibility, helping manufacturers gain a competitive edge in the fiercely competitive high-end industrial manufacturing market while achieving sustainable cost savings and production efficiency improvements.

Core Engineering Highlights
01
Shock-Free Synchronous Braking
With a buffer design, it clamps quickly and reliably with absolutely no shock.
02
Independent High-Pressure Cylinder
Allows controlled slow opening under high pressure, and makes tie-bar removal simple, ideal for low-ceiling equipment environments.
03
High-Rigidity Precision Guidance
L-shaped guide rail on a sturdy frame delivers ±0.05mm accuracy, keeping platen movement fast and stable.
04
Durable Guide Posts with Uniform Stress
Specially finished for high rigidity, wear resistance and corrosion resistance. Over 99% force consistency prevents uneven loading and maximizes working life.
SK-2800U 2800Ton Two-Platen Injection Molding Machine
Exceptional Precision in Mold Opening Position
01
Exceptional Precision in Mold Opening Position
The repeatable mold opening accuracy reaches ±0.2mm, which is five times the precision of standard three-plate injection machines. Tested and verified on our internal 1200-ton machine.
Ultra-Sensitive Mold Protection
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Ultra-Sensitive Mold Protection
Adopting intelligent deceleration control, SK-U series realizes industry-leading sensitivity and complies with the A4 paper rebound standard. Immediate stop upon tiny resistance ensures comprehensive and reliable protection for your valuable molds.
High-Speed Performance, Lower Cycle Times
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High-Speed Performance, Lower Cycle Times
Significantly accelerated dry cycles and optimized mold opening & clamping movements greatly shorten molding cycles, effectively improving overall production capacity and efficiency. Tested and verified on internal 1200-ton machine.
Partial Product
Machine Specifications
MODEL Unit A B C
SK-1800U
INJECTION UNIT
Injection Unit Screw Diameter MM 130 140 150
Injection Unit Screw L/D Ratio L/D 22 20.4 19
Injection Unit Shot Size (Theoretical) CM³ 8369 9590 11009
Injection Unit Injection Weight (PS) G 7524 8727 10018
Injection Unit Injection Rate G/S 1293 1499 1721
Injection Unit Plasticizing Capacity G/S 139 151 165
Injection Unit Injection Pressure MPA 163 142 123
Injection Unit Screw Speed RPM 0 - 100
CLAMPING UNIT
Clamping Unit Clamp Tonnage KN 18000
Clamping Unit Space Between Tie Bars MM 1580×1480
Clamping Unit Opening Stroke MM 2900/1800
Clamping Unit Max. Mold Height MM 1800
Clamping Unit Min. Mold Height MM 700
Clamping Unit Max. Daylight MM 3600
Clamping Unit Ejector Stroke MM 400
Clamping Unit Ejector Tonnage KN 360
Clamping Unit Ejector Number PCS 25
OTHERS
Others Max. Pump Pressure MPA 17.5/21
Others Pump Motor Power KW 60 + 60 + 60 + 13
Others Heater Power KW 95.05
Others Machine Dimension (L×W×H) M 13.4×4.1×4.2
Others Machine Weight T 100
Others Oil Tank Capacity L 2200
Certifications
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Company Exhibition
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Packaging & Shipping
Two-Platen Injection Molding Machine Packaging (1)
Two-Platen Injection Molding Machine Packaging (2)
Two-Platen Injection Molding Machine Packaging (3)
Two-Platen Injection Molding Machine Packaging (4)
Two-Platen Injection Molding Machine Packaging (5)
Two-Platen Injection Molding Machine Packaging
Frequently Asked Questions
Q
What is the clamping force of the SK-1800U Two-Platen Injection Molding Machine?
The SK-1800U delivers a clamping force of 18,000 KN (1,800 tons), making it ideally suited for the production of large, high-tolerance industrial components such as automotive structural parts and machinery core components.
Q
What positioning accuracy does the SK-1800U achieve during platen movement?
The SK-1800U achieves an unwavering ±0.05mm positioning accuracy, enabled by its high-rigidity clamping unit and advanced precision guidance system with an L-shaped guide rail. The repeatable mold opening accuracy reaches ±0.2mm, which is five times the precision of standard three-plate injection machines.
Q
Is the SK-1800U compatible with Industry 4.0 and smart factory systems?
Yes. The SK-1800U is fully compatible with Industry 4.0 integration, enabling seamless connection to factory intelligent management systems. This allows for remote monitoring, fault early warning, and batch production scheduling, helping manufacturers optimize their production processes and reduce downtime.
Q
What makes the SK-1800U suitable for low-headroom or space-constrained facilities?
The SK-1800U features an independent high-pressure cylinder that allows controlled slow high-pressure opening and easy tie-bar extraction. This design makes it perfectly suited for low-headroom facilities and complex layout requirements common in modern high-end production environments, without compromising on performance or safety.
Q
How does the SK-1800U protect molds during operation?
The SK-1800U adopts intelligent deceleration control, achieving industry-leading mold protection sensitivity that complies with the A4 paper rebound standard. The machine stops immediately upon detecting even the slightest resistance, providing comprehensive and reliable protection for valuable molds and preventing costly damage.
Q
What are the main injection unit specifications available for the SK-1800U?
The SK-1800U is available in three injection unit configurations (A, B, C) with screw diameters of 130mm, 140mm, and 150mm respectively. Shot sizes range from 8,369 cm³ to 11,009 cm³, injection weights from 7,524g to 10,018g, and injection rates from 1,293 g/s to 1,721 g/s, covering a broad range of large-scale molding requirements.