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High Quality PDF Steel Coil Flange Profile Machine from China Suppliers and Factory for HVAC Duct Manufacturing

The Liding GDF PDF Steel Coil Flange Profile Machine is a cutting-edge solution developed and manufactured by our factory in China, backed by over 20 years of expertise in cold roll forming. This high-efficiency and high-precision integrated production equipment is specifically designed for the mass production of GDF and PDF flange ventilation ducts crucial for HVAC systems. As one of the leading suppliers in the industry, we understand the demands of duct manufacturers, HVAC engineering contractors, and prefabricated component factories, providing equipment that meets their requirements for stable, high-volume production. The machine is user-friendly, ensuring seamless operation in industrial production settings
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    30 +
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    Product Details

    LIDING

    Why do professionals choose LIDING flange machines?

    Easy To Operate & Fully Automatic Control, Big Labor Savings

    This production line adopts an imported PLC control system with an industrial touch screen operation interface, all parameters are visualized and adjustable, and common duct specifications can be saved as one-click presets. No need for professional senior technicians, ordinary workers can fully master the equipment operation after a short period of training, and one worker can manage the whole production line, which cuts labor costs by more than 80%. The whole process is fully automatic, supporting forward, reverse, emergency stop, and stepless speed regulation, easily adapting to large-batch and small-batch customized production.
    Unmatched Production Efficiency & Labor Savings

    Heavy-Duty Industrial Structure & Long Service Life

    The equipment adopts a 2400038001300mm overall heavy-duty welded frame with a net weight of 10000kg, which is welded with thick steel plates as a whole and undergoes strict stress relief treatment, ensuring no deformation or shaking during long-time high-load continuous operation. The 30kw high-power power system ensures stable power output during continuous production. The core forming rollers are made of high-quality GCr15 bearing steel, which can be upgraded to Cr12mov alloy steel with heat treatment up to HRC62-64°, with super wear resistance and 3 times longer service life than ordinary steel, low failure rate and less maintenance in the whole life cycle.
    High-Grade Materials & Long Service Life

    High Precision Forming & Fully Meet Industry Standards

    Multi-station continuous roll forming structure and imported high-precision control system ensure stable dimensional tolerance and high straightness of the finished ducts. The formed flange joints are tightly fitted with zero air leakage, no on-site modification, no material waste, greatly reducing installation cost and improving project quality. The whole machine complies with CE and ISO international standards, and the finished products fully meet the strict requirements of commercial HVAC engineering, fire protection engineering and industrial ventilation projects.
    Precise Forming Meeting International Standards

    Reliable Global After-Sales & Full-Process Quality Assurance

    We provide full-process quality assurance for each equipment: raw material incoming inspection, production process full inspection, pre-delivery full-load test run, and we provide video outgoing-inspection and complete machinery test report for each machine before delivery. We provide 1-year full warranty for the whole machine, free online technical support for life, and free replacement of defective parts within the warranty period. Our after-sales engineers are available to service machinery overseas, providing one-stop on-site installation, commissioning and operation training services for global customers.
    Intelligent PLC Control & Easy Operation

    Standard Production Process

    Galvanized Steel Coil Loading → Automatic Feeding & Leveling → 18-Station（as actually designed） Continuous Roll Forming → Hydraulic Precision Fixed-Length Cutting → Finished Flange Frame Automatic Discharging.
    Standard Production Process

    Frequently Asked Questions (FAQ)

    Q1: How does the LIDING flange machine help save labor costs?

    The machine features an imported PLC control system with an industrial touch screen, allowing one operator to manage the entire production line. This eliminates the need for senior technicians and reduces labor costs by more than 80%.

    Q2: What materials are used to ensure the durability of the forming rollers?

    The core forming rollers are made of high-quality GCr15 bearing steel, which can be upgraded to Cr12mov alloy steel with heat treatment up to HRC62-64°. This provides superior wear resistance and up to 3 times longer service life compared to ordinary steel.

    Q3: What are the specifications of the machine's structural frame?

    LIDING flange machines feature an overall heavy-duty welded structure measuring 24000x3800x1300mm, with a net weight of 10000kg. The frame undergoes strict stress relief treatment to prevent deformation and shaking during high-load operations.

    Q4: Does the finished duct flange comply with international HVAC standards?

    Yes. The multi-station continuous roll forming structure provides high-precision tolerances and tight flange joints with zero leakage. The entire machine complies with CE and ISO international standards, meeting the demands of commercial HVAC, fire protection, and industrial ventilation projects.

    Q5: What after-sales and warranty services does LIDING provide?

    We offer a 1-year full warranty, lifetime free online technical support, and free replacement of defective parts within the warranty period. Additionally, our after-sales engineers are available for overseas on-site installation, commissioning, and operations training.

    Q6: What is the step-by-step production flow of the machine?

    The standard production process is: Galvanized Steel Coil Loading → Automatic Feeding & Leveling → 18-Station Continuous Roll Forming → Hydraulic Precision Fixed-Length Cutting → Finished Flange Frame Automatic Discharging.

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