Leave Your Message

Turnkey Dual-Strip Hollow Damper Blade Production Line by China Suppliers | Integrated HVAC VCD Louver Blade Factory

Introducing our state-of-the-art cold roll forming equipment, crafted by a leading China manufacturer with over 30 years of experience. We understand the challenges faced by mid-to-large HVAC factories, particularly in fragmented damper production. Traditional setups with separate machines create bottlenecks, and manual hemming often results in uneven seals. These issues lead to leaky blades that continuously fail fire inspections, Our Liding 4-machine turnkey line is designed to eliminate these inefficiencies once and for all. This innovative solution transforms raw metal coils into fully sealed, ready-to-assemble hollow blades through a streamlined, continuous process. Say goodbye to manual transfers, rework, and failed inspections, As a trusted supplier, we provide the ultimate production solution for high-volume commercial and fire-rated damper manufacturing. Experience a new era of efficiency and reliability with our advanced cold roll forming technology designed specifically for HVAC factories
    30 +
    Years of Experiences
    500+
    clients worldwide
    CE
    certification

    liding

    Why choose this machine?

    True turnkey delivery, start production in 3 days

    No more wasting months integrating separate machines from different suppliers. We deliver the entire coordinated system, install it, and train your workers. You’ll be producing qualified blades within 3 days of delivery. No more production delays from incompatible equipment.

    Unmatched Production Efficiency & Labor Savings

    100% airtight blades that pass every fire inspection

    The unique dual-strip hemming technology creates a seamless, permanent seal that no manual process can match. Our customers report zero inspection failures after switching to this line. No more rejected orders, no more costly reworks, no more damage to your reputation.

    High-Grade Materials & Long Service Life

    Double the output, half the labor

    This line produces two blades at the same time, delivering 60% higher actual output than single-strip machines. Only one operator is needed to monitor the entire process, replacing 5-6 manual workers. Your labor costs will drop by 70% while production capacity doubles.

    Precise Forming Meeting International Standards

    Built to last 15+ years with minimal maintenance

    All rollers are made of premium CR12MOV steel, quenched to HRC57-59° and precision machined after heat treatment. The heavy-duty steel frame eliminates vibration even at full speed. This line will run reliably 8 hours a day, 6 days a week for over 15 years with only basic maintenance.

    Intelligent PLC Control & Easy Operation

    Standard Production Process

    Decoiling & Dual-Strip Forming

    Raw metal coil is uncoiled and simultaneously formed into two identical pre-profiles.

    Edge Hemming & Sealing

    The two pre-profiles are fed into the hemming machine, where edges are folded and precision-sealed together to form a single robust hollow blade.

    Hydraulic Cutting

    The continuous sealed profile is cut to exact specified lengths.

    Hydraulic Punching

    All pivot holes and mounting holes are automatically punched with high accuracy, preparing blades for final assembly.

    Standard Production Process

    Frequently Asked Questions

    Q: How long does it take to start production with this machine?

    We provide a true turnkey delivery service, meaning we deliver the entire coordinated system, handle the installation, and fully train your workers. You can expect to start producing qualified blades within just 3 days of delivery.

    Q: How does the machine achieve 100% airtight blades?

    The machine utilizes a unique dual-strip hemming technology that creates a seamless, permanent seal. This highly precise automated process eliminates the defects of manual sealing, ensuring zero fire inspection failures.

    Q: What are the labor savings and production capacity changes?

    By processing two blades simultaneously, this production line delivers 60% higher output than single-strip alternatives. It requires only one operator to monitor, replacing 5-6 manual workers and cutting your labor costs by 70%.

    Q: What is the expected lifespan and structural build of the machine?

    The machine is built to last 15+ years under standard operation (8 hours a day, 6 days a week) with only basic maintenance. It features premium CR12MOV steel rollers (quenched to HRC57-59°) and a heavy-duty steel frame that eliminates vibration.

    Q: What tasks are automated during the standard production process?

    The system fully automates decoiling, dual-strip forming, edge hemming and sealing, hydraulic cutting to specified lengths, and hydraulic punching for pivot and mounting holes.

    Leave Your Message