A high-performance manufacturing system that can concurrently create up to 4 PVC pipes of various diameters is a PVC (Polyvinyl Chloride) pipe production line with 4 outputs. The manufacturing line consists of an extruder, a die head, a vacuum tank, a cooling system, a haul-off device, and a cutting device. The die head creates the appropriate pipe size and form while the extruder melts the PVC resin. The PVC four pipes extrusion line can reach a production rate of 220-270kg/h and 16-28m/min using a conical twin-screw 65 main machine. This setup comprises an SJZS65 conical twin-screw extruder, four molds, a cooling and shaping unit for four outputs, four tractors, four cutters, and four turning racks.
The conical screw design features a large diameter in the feeding section, enhancing the heat transfer area and shear speed, which aids in material plasticization. The metering section has a smaller screw diameter, reducing the heat transfer area and shear speed, allowing the melt to be extruded at a lower temperature.
A quantitative feeding device ensures that the extrusion amount matches the feeding amount, maintaining stable product extrusion.
Users should add a magnetic body to the quantitative feeding device to prevent iron impurities from entering and damaging the screw.
The screw’s conical shape means the small end serves as the metering section with a small cross-sectional area and axial force, while the large end has ample space for a bearing that can handle large axial loads.
A distribution gearbox evenly distributes driving torque to each screw.
The barrel heating utilizes a cast aluminum electric heater, known for its long lifespan and ease of installation and disassembly.
Strong air cooling is employed for the barrel, minimizing temperature fluctuations.
The main motor’s speed can be conveniently and continuously adjusted using an AC frequency conversion device.
The frequency converter includes various protective measures to prevent part damage.
Great appearance, reliable performance, high production efficiency, low energy consumption.
The PVC Pipe (4-output) Production Line includes several features that make it a high-performance and efficient system for manufacturing PVC pipes. One of the primary features is its ability to produce up to four different pipe sizes simultaneously, reducing production time and costs. The production line also includes a high-quality extruder, which ensures the consistent and accurate delivery of the PVC resin, while the die head produces pipes that meet industry standards. The use of a high-quality cooling system and vacuum tank ensures optimal pipe quality and strength. The haul-off machine and cutting machine ensure accurate cutting, while the entire system is designed for easy operation and maintenance.
PVC water supply pipes are primarily made from PVC, with the addition of appropriate additives, and are formed through extrusion and injection molding. These pipes are lightweight, easy to transport, and offer excellent corrosion resistance. Their low wall roughness coefficient results in minimal water flow resistance, and dissolution tests confirm they do not affect water quality. Thus, they are suitable for indoor water supply and gray water systems in residential and public buildings, buried water supply systems in residential areas and industrial parks, urban water supply pipeline systems, sewage treatment management systems at water treatment plants, garden irrigation, well drilling, and other industrial applications.
PVC drainage pipes are primarily made from polyvinyl chloride, which boasts strong heat resistance and corrosion resistance. These pipes are uniform in material and have good strength and toughness, making them widely used in construction and residential drainage systems.
PVC conduit pipes are rigid polyvinyl chloride pipes with flame retardant, insulating, and corrosion-resistant properties. They are suitable for protecting electrical wires and cables, primarily used for running wires through walls. They are widely used in home decoration.
Extruder: The PVC pipe production line boasts an efficient twin-screw extruder for plasticizing materials at lower temperatures. Equipped with variable speed regulation and sturdy screws made of nitrided alloy steel, it handles various PVC formulations effectively.
Extrusion Die: Ensuring uniform material flow, the PVC pipe extrusion die prevents overheating and enhances plasticizing effects. With replaceable parts and precise machining, it maintains even heat distribution and prevents leakage, ensuring high-quality molding.
Calibration Table: Crafted from SUS304 stainless steel, the calibration table allows easy adjustments and efficient water cooling for high-quality pipe production. Its movable control panel aids in maintenance and startup, enhancing operational convenience.
Haul-Off & Cutting Unit: Driven by a DD motor, the cutting unit ensures smooth, precise cuts at high speeds. Utilizing permanent magnet synchronous motors, the haul-off unit ensures stability and synchronization, prioritizing operator safety. The Siemens PLC touch screen control provides user-friendly operation.
Pipe Diameter (mm) | Extruder Model | Downstream | Vacuum Tank | Hauler | Cutter |
16-32 | SJZ-65/132 (or SJZ-80/156) | GF-32*4 | 500 0mm | Belt | Saw-Cutter/Non-dust Cutter |
16-50 | SJZ-80/156 | GF- 50*4 | 5000mm | Belt | Saw-Cutter |
Ensuring Product Quality: Conducting quality control tests is essential to guarantee that plastic products meet specified standards and are defect-free. This enhances product quality and consistency, fostering higher customer satisfaction and encouraging repeat business.
Meeting Regulatory Requirements: Adhering to regulatory standards, such as FDA food contact regulations, is ensured through quality control tests, ensuring compliance and product safety.
Improving Efficiency: Monitoring the manufacturing process and implementing improvements identified through quality control tests can enhance efficiency, leading to reduced production time and costs.
Reducing Waste: Early detection of defects through quality control tests enables manufacturers to rectify issues before mass production, minimizing waste and conserving resources.
Maintaining Brand Reputation: Quality control tests safeguard a company's brand reputation by ensuring consistent product quality, thereby preserving customer trust and loyalty while mitigating potential damage to the brand's image.
PVC pipes are widely utilized for manufacturing sewerage pipes, water trunk mains, and irrigation systems. Renowned for their durability, easy installation, lightweight yet strong build, and recyclability, PVC pipes offer a cost-effective and eco-friendly option. Their smooth surface reduces friction, enabling liquids to flow more efficiently than steel or concrete pipes. Furthermore, PVC pipes can be tailored to various lengths, wall thicknesses, and diameters, adhering to international sizing standards.
Because PVC plastic inherently generates significant friction and stress, PVC extruders necessitate specialized configurations for longevity. To endure these conditions, PVC pipe production lines employ twin screw extruders and robust construction materials.
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