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China Fully Automatic PLC High-Accuracy Automotive Duct Production Line | Top Suppliers & Factory Solutions

The Liding Fully Automatic Automotive Duct Production Line, developed and manufactured by our company, stands out as a leading choice among China suppliers. With over 20 years of expertise in cold roll forming, this high-efficiency and high-precision integrated production equipment is specifically tailored for mass production of automotive air ducts and commercial HVAC ducts. Ideal for automotive parts factories, duct manufacturers, and construction engineering contractors, this innovative production line meets the demands of stable, high-volume manufacturing. Choose our factory for reliable and advanced solutions in automotive duct production
    Contact us LIDING
    30 +
    Years of Experiences
    500+
    clients worldwide
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    Product Details

    LIDING

    Why do professionals choose LIDING flange machines?

    Super Efficiency & Big Labor Savings

    This production line runs at up to 15 m/min, 2–3 times faster than standard semiautomatic machines. The whole process is fully automatic, only needing one operator, which cuts labor costs by more than 80%. It supports forward, reverse, emergency stop, and steady speed regulation, easily adapting to largebatch and smallbatch production.

    Unmatched Production Efficiency & Labor Savings

    Premium Materials & Long Service Life

    We only use durable materials for core parts. Rollers can be upgraded to Cr12mov alloy steel with heat treatment up to HRC62–64°, wearresistant and 3 times longer service life than common steel. The heavyduty frame and largediameter shaft keep the machine stable under longtime highload running, with low failure rate and less maintenance.

    High-Grade Materials & Long Service Life

    High Precision Meets Industry Standards

    Multistation continuous roll forming and imported control system ensure stable dimension and high straightness. The ducts have good air tightness and perfect fitting performance, fully meeting automotive and HVAC industry standards. No onsite modification, no material waste, greatly reducing installation cost and improving project quality.

    Precise Forming Meeting International Standards

    Easy Operation & Reliable AfterSales

    Equipped with an imported PLC touch screen, parameter setting is simple and clear. Workers can master operation in a short time without professional skills. We provide 1year warranty, free online technical support, and free replacement parts within the warranty period. Overseas engineers can go on site for installation, commissioning and training.

    Intelligent PLC Control & Easy Operation

    Standard Production Process

    Decoiler Feeding → automatic leveling → punching & notching → multistation roll forming → precision straightening → fixedlength cutting → finished product discharging

    Standard Production Process

    Frequently Asked Questions

    How fast is the LIDING flange production line?
    The production line runs at speeds up to 15 m/min, which is 2 to 3 times faster than standard semiautomatic flange machines.
    What materials are used to ensure a long service life?
    Core rollers can be upgraded to Cr12mov alloy steel with heat treatment up to HRC62–64°, providing up to 3 times the wear resistance of common steel. The machine also features a heavyduty frame and largediameter shaft.
    How does the machine guarantee high precision?
    Through multistation continuous roll forming and an imported control system, the machine achieves stable dimension, high straightness, and exceptional air tightness that meets strict automotive and HVAC standards.
    Is the operation of the flange machine complicated?
    No, it is equipped with an imported PLC touch screen for simple parameter settings, allowing workers without professional skills to master operation quickly. Only one operator is required.
    What after-sales support and warranty do you offer?
    We offer a 1-year warranty, free online technical support, and free replacement parts within the warranty period. We can also dispatch overseas engineers for onsite installation, commissioning, and training.
    What is the standard production process sequence?
    The sequence is: Decoiler Feeding → automatic leveling → punching & notching → multistation roll forming → precision straightening → fixedlength cutting → finished product discharging.

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