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As a leading manufacturer with over a decade of experience, Qingdao Yongke Machinery Co., Ltd. specializes in providing robust and efficient plastic pipe production solutions. Our PLC Controlled Extrusion Line for Large Diameter HDPE Spiral Corrugated Pipes represents the culmination of our expertise, designed to meet the growing global demand for high-quality, durable drainage and sewerage infrastructure. Operating from our expansive 10,000-30,000 square meter facility in Qingdao, we engineer machinery that combines advanced automation with reliable performance, ensuring our clients can produce superior pipes with consistent quality and optimal efficiency.
This state-of-the-art extrusion line is engineered for the high-volume production of large-diameter, multi-wall HDPE spiral corrugated pipes, which are essential for modern civil engineering projects. The integration of a sophisticated Programmable Logic Controller (PLC) with an intuitive Human-Machine Interface (HMI) touchscreen forms the brain of the operation, offering unparalleled control over every stage of the manufacturing process.
- Precision Extrusion: The system features a high-torque, DC-driven single screw extruder equipped with multiple, independently controlled heating zones. Utilizing advanced PID temperature control, it ensures uniform melting and consistent plasticizing of HDPE raw materials, which is critical for the structural integrity of the final pipe.
- Automated Corrugation Forming: The heart of the line is the spiral corrugation unit. Guided by the PLC, it precisely winds and forms the molten HDPE into a strong, multi-wall spiral structure. This design provides an excellent strength-to-weight ratio, making the pipes ideal for withstanding high loads and harsh environmental conditions.
- Efficient Cooling & Calibration: Following extrusion, the pipe enters a controlled cooling section, typically using water spray or a vacuum calibration tank. This process solidifies the pipe shape with precision, maintaining the exact diameter and corrugation profile.
- Customization & Flexibility: The line is highly customizable. Clients can specify parameters for different pipe diameters (up to 3000mm and beyond), wall thicknesses, and corrugation designs to meet specific project requirements or regional standards.
The technical advantages of our PLC-controlled line translate into direct benefits for your business:
- Enhanced Product Consistency: Automated control minimizes human error, ensuring every meter of pipe meets strict dimensional and quality tolerances.
- Increased Production Efficiency: Streamlined processes and stable operation lead to higher output rates and reduced material waste.
- Lower Operational Costs: Energy-efficient drives and optimized heating systems reduce power consumption, while the reliability of the machinery decreases downtime and maintenance expenses.
- Simplified Operation: The user-friendly HMI allows operators to monitor all parameters, adjust settings, and diagnose issues quickly, reducing the need for highly specialized labor.
- Superior Pipe Performance: The produced HDPE spiral corrugated pipes offer excellent corrosion resistance, flexibility, long service life, and smooth inner walls for optimal flow capacity.
Below is a summary of key customizable specifications:
| Parameter | Typical Range / Feature |
| Max. Pipe Diameter | Up to 3000 mm (Customizable) |
| Control System | PLC with Color HMI Touch Screen |
| Extruder Drive | DC Motor, High Torque |
| Heating Control | Multi-Zone, PID Temperature Control |
| Cooling System | Water Spray / Vacuum Tank Cooling |
| Corrugation Type | Spiral, Multi-Wall Structure |
| Main Application | Stormwater Drainage, Sewer Systems, Cable Conduits |
Backed by our certifications in ISO9001 for quality management, ISO14000 for environmental management, and OHSAS18001 for occupational health and safety, Qingdao Yongke Machinery commits to delivering not just machinery, but a reliable partnership. With an annual export value ranging between US$1 Million and US$1.5 Million, our equipment is trusted by clients across North and South America, Europe, Asia, Africa, and Oceania. Our direct shipment from the port of Qingdao ensures smooth logistics. Choosing our extrusion line means investing in a production asset built for durability, efficiency, and long-term profitability. Contact us today to discuss how we can configure a line to perfectly match your large-diameter HDPE pipe production goals.
Frequently Asked Questions (FAQ)
Q1: What is the maximum diameter this extrusion line can produce?
A1: Our standard lines are designed for pipes up to 3000mm in diameter. However, as a manufacturer, we offer customization. Larger diameters can be engineered based on your specific project requirements and technical feasibility studies.
Q2: Can this machine process materials other than HDPE?
A2: The line is primarily optimized for HDPE, which is the standard material for spiral corrugated pipes due to its strength and chemical resistance. Processing other polyolefins like PP may be possible with specific screw and die modifications, which can be discussed during the customization phase.
Q3: How automated is the production process? What level of operator skill is required?
A3: The process is highly automated via the PLC system. The HMI touchscreen provides a centralized control point for monitoring and adjusting parameters. While basic mechanical knowledge is beneficial, the intuitive interface allows operators to run the line effectively after comprehensive training provided by our team.
Q4: What is the typical output capacity (kg/hour or meters/hour) of this line?
A4: Output capacity is not a fixed number as it depends heavily on the final pipe diameter, wall thickness, and corrugation design. We provide detailed production rate estimates during the project planning stage based on your target product specifications.
Q5: What kind of after-sales support and warranty do you provide?
A5: We offer a standard warranty on the machinery. Our support package includes detailed installation guidance, comprehensive operator training, and readily available technical support. We maintain a stock of common spare parts and provide remote assistance to ensure minimal downtime.
Q6: Are the electrical components and PLC system from internationally recognized brands?
A6: We utilize reliable and widely recognized components in our control systems to ensure stability and ease of maintenance. Specific brand preferences (e.g., Siemens, Mitsubishi, Allen-Bradley for PLC) can often be accommodated upon request during the order process.
Q7: How energy-efficient is this extrusion line?
A7: Energy efficiency is a key design focus. The line incorporates features like high-efficiency DC drives, well-insulated heating barrels with PID control to minimize heat loss, and optimized motor sizing. These elements work together to provide a favorable specific energy consumption rate for the output produced.
Q8: Can you assist with factory layout and installation planning?
A8: Absolutely. As part of our service, we provide foundational layout drawings and installation requirements. For complex projects, our engineers can offer more detailed planning support to ensure a smooth integration of the line into your existing facility.
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