China GDF20/30 Flange Roll Forming Machine for HVAC Duct Profile - Top Suppliers & Factory Solutions
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LIDING Why do professionals choose LIDING flange machines?
Dual-size one machine design, double production efficiency
Traditional flange machines can only produce one size of flange, and need to stop production for hours to replace molds when switching specifications. Our GDF20/30 machine realizes the production of two mainstream GDF flange sizes on one equipment, no mold replacement is required, and specification switching can be completed in a few minutes. For duct processing plants with multi-specification and small-batch production needs, it directly doubles the production efficiency and saves a lot of mold costs.
18-station precision forming, stable quality for long-term operation
The machine is equipped with 18 sets of forming rollers, made of high-quality GCr15 bearing steel, with professional heat treatment to HRC55°~57°, which has high hardness, wear resistance and long service life. The 40mm diameter 45# steel spindle ensures the stability of the roller set during high-speed operation, no jitter, no deviation, and the formed flange has uniform dimensions, tight joints, and no air leakage after installation. The dimensional error is controlled within ±0.3mm, which fully meets the international HVAC engineering standards.
Stable transmission system, low failure rate and low maintenance cost
Adopting chain and gear combined transmission mode, matched with 5.5kW high-power national standard motor, the transmission is stable and the power is sufficient. It can maintain 8m/min high-speed continuous operation for a long time without failure. The structure design is simple and reasonable, the wearing parts are easy to replace, and the later maintenance cost is extremely low. Even in the workshop environment of 8-hour non-stop production every day, the equipment can maintain stable performance for more than 10 years.
Fool-style operation, zero threshold for workers
The machine is equipped with a simple and intuitive control panel, with forward, reverse and stop core control functions, no complex programming operation is required. Ordinary workers can master the full operation of the equipment after 15 minutes of simple training, and one person can complete the whole process of feeding, production and discharging. There is no need to hire professional technicians, which directly reduces the labor cost of the factory.
Standard Production Process
Galvanized Sheet Coil Loading → Automatic Feeding & Guiding → 18-Station Continuous Roll Forming → Precision Fixed-Length Cutting → Finished GDF Flange Automatic Discharging
Frequently Asked Questions
Q: What are the benefits of the dual-size flange machine design?
Our GDF20/30 design allows you to produce two mainstream GDF flange sizes on a single piece of equipment. This eliminates the need for hours of downtime to replace molds when switching specifications, saving significant mold costs and doubling production efficiency.
Q: How does the 18-station precision forming system ensure quality?
Equipped with 18 sets of forming rollers made of GCr15 bearing steel and heat-treated to HRC55°~57°, the machine operates stably without jitter or deviation. The dimensional error is kept within ±0.3mm, ensuring uniform dimensions and tight, leak-free joints.
Q: What type of transmission system does the machine use?
It utilizes a robust chain and gear combined transmission mode coupled with a 5.5kW national standard motor. This ensures stable power delivery for 8m/min continuous high-speed operation with minimal maintenance required.
Q: Is specialized training required to operate LIDING flange machines?
No, the machine features a simple control panel with basic forward, reverse, and stop functions. Workers can master the full operation in just 15 minutes, allowing a single operator to manage feeding, production, and discharging.
Q: What is the standard production process of this machine?
The process flows from Galvanized Sheet Coil Loading → Automatic Feeding & Guiding → 18-Station Continuous Roll Forming → Precision Fixed-Length Cutting → Finished GDF Flange Automatic Discharging.