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China Spiral Round Duct Forming Machine | 16KW HVAC Equipment by Leading Suppliers and Factory

Introducing our state-of-the-art spiral duct machine, a game changer for small-to-medium duct fabricators and construction teams. With over 20 years of experience in manufacturing duct equipment, we are proud to deliver a solution that meets the demands of modern construction. This machine replaces outdated manual seamed iron pipes, which are notorious for air leakage and lengthy production times, Our fully mechanized production process eliminates the need for hand tapping and welding, ensuring a leak-free, efficient operation. Designed for durability and ease of use, this machine is perfect for suppliers looking to boost productivity. Plus, its compact design allows it to fit conveniently on a truck, ready to go directly to any job site, As a leading factory in China, we understand the needs of our clients and are committed to providing high-quality, reliable duct equipment that enhances your fabrication capabilities. Choose our spiral duct machine to elevate your business and meet the growing demands of the construction industry
    Contact us LIDING
    30 +
    Years of Experiences
    500+
    clients worldwide
    CE
    certification
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    Product Details

    LIDING

    Why do professionals choose LIDING flange machines?

    Patented mold saves you time and material

    We designed our own patented mold system—no more struggling with complicated mold changes that take half a day. Switching between different duct diameters takes just minutes, and the precision design cuts down on scrap material by up to 15%. Over a year, that adds up to real savings on your steel costs.
    Unmatched Production Efficiency & Labor Savings

    High-speed synchronous cutting that never messes up

    The integrated high-speed cutting system runs perfectly in sync with the feeding speed, so you never get crooked cuts or stuck material. It cuts clean, burr-free edges every single time, no extra sanding or trimming needed. Crank the speed up to 35m/min when you’re up against a deadline, and it’ll keep up without breaking a sweat.
    High-Grade Materials & Long Service Life

    Dead simple to operate, no pro skills required

    The intuitive touch screen PLC console makes this machine a breeze to run. A regular worker can master it in 30 minutes of training—no need to hire expensive specialized technicians. All parameters are clearly displayed, and you can save common duct sizes as presets for one-click production.
    Precise Forming Meeting International Standards

    Tough enough for the job site, not just the workshop

    1 Metal coil loading
    2 Automatic feeding and guiding
    3 Spiral roll forming
    4 Continuous outer surface locking
    5 High-speed synchronous fixed-length cutting
    6 Automatic roll out
    7 Finished spiral duct
    Intelligent PLC Control & Easy Operation

    Standard Production Process

    1 Manual Coil Feeding
    2 Automatic leveling and straightening
    3 10-station continuous roll forming
    4 Hydraulic precision cutting
    5 Finished air duct/flange discharging
    Standard Production Process

    Frequently Asked Questions

    How does the LIDING patented mold system save material?
    Our patented mold system is designed for high precision and quick adjustments. It enables rapid switching between different duct diameters in minutes and minimizes scrap material by up to 15%, resulting in significant steel cost savings over time.
    What is the maximum cutting speed of the LIDING flange machine?
    The integrated high-speed synchronous cutting system can reach speeds up to 35m/min. It is designed to keep up with tight deadlines without compromising cut quality, producing clean, burr-free edges.
    Is specialized training required to operate the machine?
    No, the machine features an intuitive PLC touch screen console that is simple to operate. A standard operator can fully master it with only 30 minutes of basic training, saving you the cost of hiring specialized technicians.
    What steps are involved in the spiral duct fabrication process?
    The process includes: Metal coil loading, automatic feeding and guiding, spiral roll forming, continuous outer surface locking, high-speed synchronous fixed-length cutting, automatic roll out, and final spiral duct discharge.
    What is the standard production sequence for flange forming?
    The standard process consists of manual coil feeding, automatic leveling and straightening, 10-station continuous roll forming, hydraulic precision cutting, and finished air duct or flange discharging.

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