1、 Mechanical composition（General specifications） Z Shape Auto Duct Production Line 7 for Making Square HVAC Duct is processed in a U-shaped manner,Mainly processing air duct board with a width of 1250mm,Galvanized sheet with a thickness of 0.5-2.0mm (stainless steel 0.5-1.5mm),Main components: material rack machine, host, drum 1, small edge Pittsburgh Lock Forming Machine, large edge Pittsburgh Lock Forming Machine, drum 2 , double-sided angle Steel flange machine, double-sided TDF Flange Forming Machine, and bending machine. 2、 External dimensions and motor power（General specifications） Machine size 14m*8m Processing plate thickness 0.5~2.0mm Processing board width 1250mm Processing speed 150-200m ²/ hour Total weight 15t Total power 45kw Factory precision ±0.5/4000 Power demand 380v/50hz Pneumatic pressure demand 6~8 System Taida Hydraulic oil Great Wall 46 # 150L (1)Material rack: Function: to carry coil materials and maintain synchronization with the machine head Single roll carrying capacity ≤ 7 tons Material core:4 pieces Shrinkage adjustment outer diameter of Material core pole: 450-620mm Electrical machinery:1.5kw (4 units) Size :5800*1800mm Weight :1800kg (2)Host: Function: uncoiling, leveling, pressing reinforcement, cutting square mouth (cutting tip mouth), cutting Feed port:1 set Leveling the axis of the reinforcement press:11 pieces Axis size:Φ 100 * 1420 (plated with hard chromium) Corner cutting mold:4 sets (2 sets of sharp edges and 2 sets of square edges) Shear punching plate thickness:0.5-2.0mm Punching device:1 set (punching lifting holes and flange connection holes) Manual adjustment of punching mold, one-way double adjustment fixed circular rail (hard rail) Φ 30 aluminum base Oil pump motor:7.5kw Variable frequency motor: 5.5kw Size:2500*2000mm Weight :2800kg (3)Drum 1: Function: Conveying the next process Stainless steel pipe: Φ 76 * 2000 * 2.6mm Number of drums:30 pieces Electrical machinery:2 pieces（1.5kw/2.2kw） Size:2200*4200mm Weight :800kg (4)Small edge Pittsburgh Lock Forming Machine Function: Processing right angle edges(Two mechanical heads can be converted) Processing plate thickness: 0.5-2.0mm Roller wheel:9 sets (18 pieces) Bearing steel Material Roller wheel size:Φ85*44~Φ100*44 Electrical machinery:2 pieces 4kw Size:950*1400mm Weight :500kg (5)large edge Pittsburgh Lock Forming Machine Function: Processing pittsburgh lock Forming Machine(Two mechanical heads can be converted) Processing plate thickness: 0.5-2.0mm Roller wheel:9 sets (18 pieces) Bearing steel Material Roller wheel size:Φ85*44~Φ100*44 Electrical machinery:2 pieces 4kw Size:1400*4200mm Weight :800kg (6)Drum 2: Function: Conveying the next process Stainless steel pipe: Φ 76 * 2000 * 2.6mm Number of drums:18 pieces Electrical machinery:3 pieces（0.75kw/0.75kw /1.5kw） Size:1300*4000mm Weight :600kg (7）double-sided angle Steel flange machine Function: Processing angle steel flange edges Angle Steel flange machine, manual adjustment, one-way double adjustment, fixed Square rail(hard rail) 30 * 30 * 800 Processing plate thickness:0.5~2.0mm Roller wheel:unilateral 9 sets (18 pieces) Bearing steel Material Roller wheel size:Φ85*44~Φ100*44 Electrical machinery: 4kw Size:2400*1500mm Weight :1000kg Belt length:2690*190*5mm,PVC Bright Green （8）bending machine Function: Folding L-shaped or air duct bending into shape Servo motor: 1.5kw Hydraulic motor:4kw Planetary reducer:PK80 speed ratio 1:20 Variable frequency motor for conveyor belt:0.75kw Transmission:Yingweiteng Size:4800*1800mm Weight :1300kg Belt length:8280*150*5mm,PVC grass green anti slip,Origin Shanghai Mechanical arm cylinder:4 pieces (SC50 * 100 2 pieces,SC50 * 50 2 pieces)

Advantages of products: Duct Three production line is composed of rack,leveling embossing machine,blunt pointed mouth and blunt square opening hydraulic punching machine,hydraulic shearing machine,hydraulic folding machine.Electric control part adopts computer control,the control system with a closed loop feed back system,production of precision and stability is improved obviously.The maximum working speed is 16m/min.Error of plus or minus 0.5mm in length, diagonal error of plus or minus 0.8mm.With a high degree of automation,provincial labor,high efficiency and save materials advantages,very suitable of duct processing factory specialized production batch duct. Main Import Configuration: 1. Electric feeding rack 1(2620*1850*1450mm) 2. Leveling rib pressing device group 3. Hydraulic angle shearing machine,four sets of even die 4. Hydraulic plate shearing device,hydraulic bending device for each group 5. The production of software,a set of computer and control system Main Technical Parameters: Thickness range(mm) Width(mm) Max-working speed(m/min) Coiler max weight(T) Weight（T） Dimension（mm） 0.5-1.2 1300 16 6000x2 3500 5000x2160x1450 0.5-1.2 1600 16 6000x2 4500 5000x2460x1450 Noto:Customers can order the line with different specifications,sheet width and coiler weight. Working Schematic Diagram： Video presentation：

Advantages of products： Line ll consists of a metal frame,leveling and beading machine,blunt pointed mouth and blunt square opening hydraulic punching machine,hydraulic shears. The control part adopts automatic computer control,the control system is a closed-loop feedback system,the production of precision and stability are obviously improved.The maximum operating speed is16m/min.Length error of+0.5mm+0.8mm, diagonal error. Line ll can meet the duct sheet material,for a total plate flange / angle iron flange blanking work,Synthesis of the duct production line and flange machine,bite machine,plate folding machine,plus the corner will be able to produce high quality standard corresponding duct. Main Import Configuration： 1. Electric feeding rack 1(2620*1850*1450mm) 2. Leveling rib pressing device group 3. Hydraulic angle shearing machine,four sets of even die 4. Hydraulic shearing machine 5. Computer and controller,a set of software production Main Technical Parameters： Thickness range(mm) Width(mm) Max-working speed(m/min) Coiler max weight(T) Weight（T） Dimension（mm） 0.5-1.2 1300 16 6000x2 3400 4800x2160x1450 0.5-1.2 1600 16 6000x2 4400 4800x2460x1450 Noto:Customers can order the line with different specifications,sheet width and coiler weight. Working Schematic Diagram： Video presentation：

In recent years, the demand for efficient, durable, and eco-friendly HVAC systems has surged across the construction and industrial sectors. Among the essential components of these systems, spiral ducts have stood out for their superior strength, airflow efficiency, and aesthetic appeal. This trend has brought Spiral Duct Forming Machines into the spotlight, making them a hot topic in the HVAC equipment industry. At Hecheng Source Machinery, we’ve seen a significant increase in global orders for our spiral duct forming machines. These machines are engineered to produce precise and high-performance spiral ducts, widely used in commercial buildings, airports, industrial plants, and cleanroom environments. The shift toward modular air systems and green building standards has made spiral ducts a preferred choice—due to their minimal leakage and reduced pressure loss. Our spiral duct machines combine precision engineering with user-friendly operation, supporting multiple diameters and materials such as galvanized steel, stainless steel, and aluminum. For customers requiring tailored solutions, we offer non-standard customization, test runs, and technical support—ensuring optimal performance for any production need. As a professional manufacturer with over 10 years of experience and clients in more than 80 countries, Hecheng Source Machinery continues to deliver cutting-edge duct forming solutions to meet the evolving needs of HVAC professionals worldwide. I. Spiral Tube Machine's Features: Spiral tube machine is used for producing HVAC round duct. Spiral duct is made of metal strip rolled into a spiral bite wall of the thin tube, round, no welding, no leakage. The spiral tube machines produced by HCY company have high yield and stable pipe diameter, and good bite, good sealing, long-term innovation.1.Spiral tube machine with patented mold which has its own patent and easy to adjust, save the metal strip. .High-speed synchronous cutting system PLC control Can be on-site construction Can be adjusted High-quality products, high-quality services The system can handle galvanized sheet, aluminum automatic roll out of equipment Can produce a variety of different diameter spiral tube II. Technical Parameters 1. Name: Spiral tube machine HCY-1.5-1500 2. Diameter range: Φ80-Φ1500mm 3. Tube length: 100-12000mm 4. Strip width: 137mm 5. Lock seam: Outside tube,on the inside on request 6. Material Galvanized sheet: 0.4-1.5mm 7. Strip speed: 38m/min 8. Dimension: 3400x2070x2720mm 9. Weight: 2000kg 10. Control system: PLC automatic control 11. Main motor power: 11KW 12. The power of cutting motor: 4KW 13. Electrical: 380V/50HZ/3PH Voltage customized 14. Welding machine: Huanyuan 63A