High Quality Lja Factory Direct Sale Rectangular Duct Machine HVAC Duct Forming Machine Duct Production Line 3 Duct Machines for Sale

• Customization: Available
• After-sales Service: 24-Hours on Line/Video Technical Support
• Automatic Grade: Full-Automatic
• Model NO.: LJA ADL-3-1250
• Warranty: 2 Years
• Product Name: Air Duct Production Line 3
• Processing Width: 1250mm
• Total Power: 8.0kw
• Feeding Speed: ≤15 M/Min
• Weight: 2500kg
• Transport Package: Nothing
• Specification: 1900*1950*1500mm
• Trademark: LJA
• Origin: China
• HS Code: 8462221000
• Production Capacity: 50sets/Month

Product Description

Our Advantages

LJA ADL-3-1250 Rectangular duct production line 3

This street light features high brightness, enProduction line III is composed of a loading rack, a leveling and rib pressing machine, a punching and square punching hydraulic press, a hydraulic shearing machine, and a hydraulic folding machine. The electrical control part is fully computer controlled. The control system has a closed-loop feedback system, and the production accuracy and stability are significantly improved. Its maximum working speed is 10 meters/minute. The length error is ±0.5mm, and the diagonal error is ±0.8mm. This system can produce 1000 M2 square ducts in a single shift.

Product Description

Rectangular duct production line 3

The 3-line duct production line consists of an decoiler (electric), a leveler, a beading machine, an encoder, hydraulic angle cutting and grooving 4 sets of special duct molds), a hydraulic bending machine, and a hydraulic shearing machine.
It can automatically cut the duct sheet to a certain size, beading, automatic grooving of the duct, angle cutting, and automatic bending into "L", "U", and "mouth" shaped ducts. It has the advantages of high automation, labor saving, high efficiency, and material saving. It is very suitable for medium-sized duct processing plants and general hardware processing. The standard configuration includes two material rolls (electric), and the main machine includes leveling, beading, encoder, hydraulic grooving and angle cutting system, duct bending and shearing system, and CNC system.

Our engineers will provide customized processing solutions based on relevant factors and conditions. High-precision servo motors and cylinders ensure processing stability. All equipment will be debugged before leaving the factory, and our company will also arrange professional project engineers to provide online installation guidance to ensure smooth start of production.

Auto duct line Machine Parts                                    Name: Material Trame
Brand: LJA
Original: China

With 2 coils. the max loading per coil is 6 ton per coil; Match well with the machine body

Auto duct line Main Parts
Name: Electric system
Brand: LJA
Original: China

Domestic famous electric system, easy to operate and safe to control. Make sure the duct machine work smoothly , mean while, ensure the workers safety during work time.

Auto duct line Machine Parts
Name: Motor and Hydraulic system

Brand:LJA

Original: China

German Simens motor can be optional
German  hydraulic valve can be optional
China local brand is good enough to ensure the machine work well with high quality air duct.

Auto duct line Machine Parts
Name: Machine body 
Brand: LJA
Original: China

Machine body designed well, with Eco-friend coating. Color bright and with long serve time

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Famous brand,with multi language controlling. Full-automatic control system, you just need input the size, very easy to operate.

Specification

Material	Ordinary low carbon steel plate, galvanized plate
Plate thickness	0.5-1.2mm
Coil width	1250mm
Coil weight	≤7 tons
Coil inner diameter	φ500/600mm
Coil outer diameter	≤φ1100mm
Feeding speed	≤15 m/min
Rib pressing	Standard "V" type (spacing: 210mm)
Control system	Fully automatic PLC numerical control system
Main power	supply 380V/50HZ/3 phases
Hydraulic pressure	7-10MPa (maximum 14MPa)
Overall dimensions	1900*1950*1500mm
Total power	About 8KW
Total weight	About 2.5 tons

Company Profile

* About Anhui LJA Metal Tech Co., Ltd

We are a leading manufacturer specializing in metal processing machinery, committed to providing high-quality and innovative solutions for industries worldwide. With decades of experience in the industry, we have grown from a small workshop to an internationally recognized manufacturer with a global customer base. Over the years, we have built a reputation for excellence in designing and producing a wide range of advanced machines, including decoiler machines, pipe punching machines, plasma cutting machines, pipe forming machines, metal polishing machines, and pipe bending machines. These products are engineered with precision, offering superior performance and durability to meet the ever-evolving demands of diverse industries.

>>> After-sale Service
1. Global Installation & Commissioning
• On-site service by certified engineers within 5 working days (remote areas negotiable).
• Pre-installation video guidance & post-installation inspection report.

2. Multilingual Training
• Basic: 2-hour live demo (on-site/online) + multilingual operation videos/manuals.
• Advanced: Customized sessions for technical teams (PLC programming/data analysis).

3. 24/7 Support
 • 3-tier response:
Critical failure: 15-min remote diagnosis + spare parts priority shipping
General issues: 30-min video call troubleshooting
Inquiries: 1-hour email reply

4. Global Spare Parts 
• 2 years for main motor. 
• Except for consumables and consumables, other parts are for 1 year. Extended service is always available. Free repair and replacement of parts within warranty. Only replacement of parts, shipping costs are borne by the customer..

Value-Added Options
 Annual Maintenance Contract (AMC): 20% discount on parts + bi-annual preventive checks
Extended Warranty: Up to 5 years coverage

FAQ

Q: Do you have CE document and other documents for customs clearance?
A: Yes, we have CE, Provide you with a one-stop service. At first we will show you and and after shipment we will give you CE/Packing list/Commercial Invoice/ Sales contract for customs clearance.
 
Q: If we are interested in your machine, how do we choose?
1. What main job you do with the machine?
2. What is your request? diameter__mm, thickness__mm, length__mm?
3. What material you want to process, stainless steel, carbon steel?
 
Q: How about warranty?
A: 2 years quality guaranty, the machine with main parts(excluding the consumables) shall be changed free of charge(some parts will be maintained) when if any problem during the warranty period.
 
Q: Do you have after sales support?
A: Yes, we are happy to give advice and we also have skilled technicians available across the world, We need your machines running in order to keep your business running.
 
Q: Can you customize? 
A: Yes, non-standard machines can be customized according to your products