Spiral round air ducts can generally be produced and processed by the following four types of spiral air duct machines. They are respectively Mold type spiral duct making machine,S-1.2 type spiral duct machine,S-1.5 type spiral duct machine and S-2.0 type spiral duct machine. 1.Mold Type Spiral Duct Making Machine: Main Technical Parameters： Diameter range 80-1600mm Thickness range galvanised steel 0.4-1.3mm,stainless steel 0.4-0.8mm，aluminium 0.4-1.3mm ，other profiles on request. Strip width Standard 137mm 0.4-1.0mm thichness,Standard 140mm 1.1-1.3mm thichness，other profiles on request. Corrugations Either one or two beads. Lockseam Outside duct,on the inside on request. Production speed Max.60meters/min.depending on material. Cutting System The patented flying slitter. Options Automatic length control system. Controlled corrugation unit,flange slitter. Motor Power Main frame：11KW Cooling water pump：0.25KW Weight 2900kg Dimension Machine：2000mmx1700mmx1450 Material rack：2450mmx1200mmx1200mm Video presentation： 2.S-1.2 type Spiral Duct Machine： Main Technical Parameters： Diameter range 80-1500mm Thickness range galvanised steel 0.4-1.2mm,stainless steel 0.4-0.8mm Width of strip Standard 137mm Strip speed 1-38m/min Lockseam Outside duct,on the inside on request. Motor Power Main frame：5.5KW Cutting power：4KW Cutting System Saw blade cutting or Plasma cutting Weight 1700kg Dimension 2800mm*2000mm*2100mm Video presentation： 3.S-1.5 type Spiral Duct Machine： Main Technical Parameters： Diameter range 100-1500mm Thickness range galvanised steel 0.4-1.5mm,stainless steel 0.4-0.8mm Width of strip Standard 137mm Strip speed 1-38m/min Lockseam Outside duct,on the inside on request. Motor Power 16.5KW Cutting System Saw blade cutting and Plasma cutting Weight 2200kg Dimension 3000mm*2100mm*2250mm Video presentation：Please contact us to send. 4.S-2.0 type Spiral Duct Machine： Main Technical Parameters： Diameter range 100-2000mm Thickness range galvanised steel 0.4-2.0mm,stainless steel 0.4-0.8mm Width of strip Standard 137mm Strip speed 1-38m/min Lockseam Outside duct,on the inside on request. Motor Power 16.5KW Cutting System Saw blade cutting and Plasma cutting Weight 2300kg Dimension 3800mm*2160mm*2720mm Video presentation：Please contact us to send. Different models and specifications require different board requirements. If you are considering purchasing, please contact us.

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)

Control interface: This machine adopts touch screen operation control. The following is an introduction to the touch screen operation interface and operation buttons. Before operation, connect the foot switch and fill the water tank with a mixture of water and emulsified oil; (1) Material return/feeding: Click 'down' to switch to 'reverse', and the host will forward and reverse; (2) Compression/relaxation: Control the compression and relaxation of the upper seam wheel; (3) High speed/low speed: can control the high-speed or low-speed operation of the host; (4) Auto/Manual: Clicking on the [Manual] button allows you to control the host using a foot switch, while clicking on the [Auto] button does not allow the foot switch to control the host; (5) Before starting, click on [Water pump start ]; (6) Speed control knob: used to adjust the engine speed in manual/automatic mode. Automatic mode: (1) Set the number of pieces in automatic running: Set the cutting number here; (2) Automatic running start: Press after setting the cutting quantity; (3) Automatic running stop: In automatic mode, stop working; (4) Zero clear: After the cutting quantity is completed, press longer time to clear zero; (5) Length limit switch: Used to adjust the length of the pipe in automatic mode. Press the switch to start cutting. Lift the switch to start the machine again, and the cycle works. Operation method: (1) Install the steel strip with a width of 137mm on the feeding rack and support it tightly. Adjust the tailstock according to the scale to the position where the diameter of the circular pipe matches, and start the water pump. (2) Install the steel strip mold on the mold base according to the diameter of the pipe, and check whether the lower seaming wheel matches the thickness of the strip. (3) Insert the belt material into the feeding port and use a foot pedal to pass it through four rolling rollers (six rolling rollers) and the pressure plate, reaching the upper and lower seam wheels. In this process, adjust the symmetry of the seaming on both sides of the strip and the angle of the seam. (4) Use the pedal to slowly turn the strip into a spiral tube shape in the mold, press the upper pressure wheel tightly, and embed the wheel mouth into the female mouth. Turn out a small section at a slow speed, then saw the mouth flat, check the diameter of the round pipe, and fine-tune it if there is any error. (5) Turn the nozzle to the discharge rack at low speed. Adjust the height of the discharging rack and the axial parallelism of the rotating tube, and adjust the length and size stroke switch of the round tube. (6) With the above adjustment method, after the first tube production, it is necessary to continue to observe and adjust until the tube can be transferred smoothly. Come and choose a suitable spiral air duct machine, looking forward to working with you!

Now, we will introduce seven models of Lock Forming Machine. Lock Forming Machine is one of the necessary machine in duct production industry,it can be processed using a variety of different shapes ,can meet a variety of thin lock,splicing, and corner welding needs,universal models can be machined plates from 0.5 to 1.5mm thick galvanized sheet,the enterprise can be made seven special launch shaped machine,adding a single flat function on the basis of the original six functions to facilitate the customer's use,improve efficiency,special models are to meet customer specific needs. 1.Pittsburgh Lock Forming Machine With 7 Rollers Video presentation： 2.Pittsburgh Lock Forming Machine With 9 Rollers Video presentation： 3.TDC Lock Forming Machine Video presentation： 4.S Lock Forming Machine Video presentation： 5.Lock Forming Machine Video presentation： 6.Snap Lock Forming Machine Video presentation： 7.U Lock Forming Machine Video presentation：

Air Duct Sewing Machines Our company has five types of air duct sewing machines, namely Seam Locker Closer Machine，Electric sewing machine，Pneumatic Locker Seam Closing Machine，Vertical Hydraulic Seam Closing Machine and Horizontal Hydraulic Seam Closing Machine。 Duct Locker Seam Closing Machine is a device specifically used for making and connecting air ducts.Its working principle mainly relies on the action of mechanical force and heat to joint two or more layers of thin steel plates, aluminum plates, and other materials under a certain pressure and temperature, forming a sealed air duct system. The following is a detailed introduction to the air duct joint machine: 1、 Components Rack: The main structure that supports the entire equipment. Seaming platform: used to place the air duct material to be seamed. Heating system: Heat up the joint platform to soften the material and facilitate the joint. Hydraulic system: used to adjust the pressure and temperature during the joint, ensuring the tightness and flatness of the joint. Electrical control system: controls the operation of the entire equipment, including starting, stopping, adjusting parameters, etc. 2、 Working principle Material preparation: Place two or more layers of duct material on the joint platform and adjust the position. Heating softening: Heating the material through a heating system to soften it, facilitating subsequent joint operations. Pressure sealing: The hydraulic system provides appropriate pressure and temperature to tightly fit the material under pressure, forming a sealed pipeline. Electrical control: The operation of the entire equipment is precisely controlled by the electrical control system, ensuring the stability and reliability of the sewing process. 3、 Advantages and characteristics Fast production speed: Compared to traditional manual production methods, the air duct stitching machine can greatly improve production efficiency. Good sealing effect: Through precise control system and mechanical force, the sealing effect is smooth, tight, and has good sealing. Material saving: Accurate cutting and stitching techniques can reduce material waste. Easy to use: The equipment is easy to operate, easy to learn, and reduces the skill requirements for operators. Widely applicable: suitable for the production and connection of various air ducts, including air conditioning ducts, ventilation ducts, fire protection ducts, etc. 4、 Application scenarios The air duct joint machine is widely used in factories, construction sites, decoration sites and other places that require the production and connection of air ducts. Especially in large-scale air conditioning and ventilation systems, the role of duct joint machines is particularly important. 5、 Future development trends With the continuous progress of technology and the growth of industry demand, air duct stitching machines are gradually developing towards intelligence and automation. In the future, air duct stitching machines may become more energy-efficient and environmentally friendly, while also having stronger applicability and flexibility. It is expected that there will be more technological progress and innovation, which will enable the air duct stitching machine to play a greater role in the air duct manufacturing industry. 1.Seam Locker Closer Machine Video presentation： 2.Electric sewing machine Video presentation： 3.Pneumatic Locker Seam Closing Machine Video presentation： 4.Vertical Hydraulic Seam Closing Machine Video presentation： 5.Horizontal Hydraulic Seam Closing Machine Video presentation：

·The machine body is in an overall welded and overalI processed structure, and ANSYS finlte element analysis software is applied to main parts of the machine body for analysis, which has ensured the reliability of machine tool and the precision of entire machine. ·Closed loop control mode composed of electrohydraulic servo valve imported from Germany and imported grating ruler is adopted for fhe main oiI cylinders on both sides, to break through the stroke controI pattern of traditional bending machines of mechanical stoppe-r type, typical of high feedback precision for position of gliding block, accurate and stable operation, good synchronizing performance and high repeated positioning precision of gliding block. ·Imported parts are used for all the functional parts in the rear stopper. to ensure the stopping precision of rear stopper and the mechanism of rear stopper will multiple stopping shafts for more complete functions is employed up to customer requirements Integrated control system imported from Germany is adopted for the whole hydraulic system, to simplify the installation of pipelines, and to ensures stable operation as well as simple and nice appearance of the machine tool . C-shaped plates are fitted on both sides of the machine body, and the high precision grating ruler is mounted on the C-shaped plates, thus to avoid the influence over pending precision arising from distortion of machine body during bending process . ·The lower workbench is fitted with automatic compensation mechanism for hydraulic deflection, to achieve an effective dead zone free compensation with high bending precision and long stability guaranteed . ·The numeric control system refers to the numeric-controI system special for eIectrohydrauIc servo bending machines of Italian ESA, Netherland DELEM, or Swiss CYBELEC Companies, able to achieve the functions of graphic programming for bending angle, compensation for angle amendment, automatic calculation and adjustment of bending pressure, automatic calculation of compensation for workbench distortion, extending length of workpieces, bending pressure for sole pressing, open distance, and automatic withdrawal of rear stopper, etc , A 1000KN Press brake equipped with hybrid drive energy-saving system can reduce 6000kg carbon dioxide emission every year, which is equivalent to planting 330 trees; it can also save 150 liters of hydraulic oil, and does not include the amount of hydraulic oil that needs to be replaced regularly every year; the energy loss is greatly reduced, which slows down the deterioration rate of hydraulic oil due to excessive temperature, and the service life of oil can be extended by three times; the annual saving can be achieved Electricity 6000kwh, this is a real green Press brake revolution. OPTIONAL PRODUCTS： 1.Servo hydraulic system(Standard configuration) German Bosch modular hydraulic system special for press brakes, full loop controlling the synchronization of ram. High frequency hydraulic system, low failure rate.machine will run fast and stably. 2.Intelligent cylinder(Standard configuration) The intelligent oil cylinder, combined with the numerical control program, selects the appropriate oil input to achieve the synchronization of the two cylinders, and can accurately control the angle error of both ends by 0.1mm per meter. 3. Grating ruler (Standard configuration) With grating ruler and throat deformation compensation device,it can accurately measure the deformation and feedback compensation to ensure the bending accuracy.The installation position is at the back of the slider to ensure that the workpiece of the bending machine will not collide with the grating ruler. 4. Laser protection device (optional) Imported LaserSafe laser protection device, a world-renowned brand, is fully inline with the EU CE standard. 5. Lower die double V-T type quick change clamping mode(optional) Double V quick change camping mode is adopted for lower die, single V mechanical clamping mode or single V hydraulic camping mode can be selected, and multi V wide worktable lower die clamping mode can be selected, 6.Moving the front supporting device 2 Front Support on Linear Rail for convenience of moving through the length of the machine. Aluminum Table to prevent scratches on soft steel. Adjustable front and back,up and down. 7.High Precision Clamp Push and pull mode fast clamping device:High precision, quick and convenient to replace the mold.The work efficiency is greatly improved. 8. Mechanical compensation table Mechanical compensation table with high-precision integral convex wave bar Standard integrated reduction motor, adjustable by CNC system Full dustproof, double T-groove design. 9. Rear retaining system(Standard configuration) The precise and stable back blocking system and the novel and unique double linear guide structure ensure the excellent positioning accuracy.Multi level gear design, increase the positioning range, value for money. 10. Stop fingers (optional) High precision and stable backgauge system,New and unique double linear guide construction to ensure the good positioning accuracy.Design of multistage stops, to increase the positioning range, above the price in value.

CNC Plasma Cutting Machine video display CNC Plasma Cutting Machine Configuration Overview 1.Adopt widely praised CNC cutting special control system, powerful function and simple operation. 2.The unique cutting gun height adjustment device avoids the phenomenon of sticking plate caused by the contact between the cutting gun head and the iron plate.Rolling friction makes the machine run more smoothly and greatly improves the cutting speed. 3.Using specialized air duct deployment software, automatically generate drawings and export processing programs.All the operator needs to do is to select the required air duct style in the software, input the required size, and then export the processing program for cutting.It is convenient, fast, accurate and practical. Hecheng source CNC plasma cutting machine (professional version) configuration overview 1.Both X and Y axes are driven by rack and pinion. X, Y axis running track adopts precision straight compasses，The accuracy of mechanical operation is ensured effectively. Greatly improve the cutting speed. 2.The unique cutting gun height adjustment device avoids the phenomenon of sticking plate caused by the contact between the cutting gun head and the iron plate.Rolling friction makes the machine run more smoothly and greatly improves the cutting speed. 3.Can use computer direct control, powerful, simple operation, can operate the computer can operate the model of CNC cutting machine.Operators are easy to train, and no longer have to worry about buying equipment that no one can operate. 4.Computer graphics, program production, control processing seamless cooperation, a computer to achieve all functions, saving time, worry, labor. 5.Mechanical limit, electronic limit device each set, so that production no worries. 6.Two-sided drive, equipped with high-power motor, fine drive, with precision machine Main Technical Parameters Cutting voltage 380±10%VAC 50Hz Cutting ways plasma cutting Minimum effective cutting range (width x length) mm 1000x 1500 Maximum effective cutting range (width x length)mm 2500x 6000 maximum velocity mm/min 120000 Cutting thickness (plasma)mm Depends on plasma power supply(0.3-40mm) Running accuracy ±0.2mm/m Control mode U disk transmission, special numerical control system Kind of drive Gear, rack, circular rail Advantages of plasma cutting machine： Plasma cutting machine is an efficient cutting tool for metal materials, and its advantages are mainly reflected in the following aspects: 1. Fast cutting speed: The cutting speed of plasma cutting machine is usually much faster than that of traditional cutting methods such as gas cutting, especially when dealing with thicker metal sheets, its advantages are more obvious. This helps to improve production efficiency and reduce production time. 2. High cutting quality: plasma cutting machine uses plasma as a heat source, can produce high energy density, so that the cutting surface is flat, smooth, small incision, no burrs, high precision. This is particularly suitable for applications where high precision cutting is required. 3. Wide range of applications: Plasma cutting machine is suitable for cutting various metal materials, including steel, aluminum, copper, titanium, cast iron, etc., can meet the needs of different industries. 4. Large cutting thickness: Compared with laser cutting, the plasma cutting machine has a wider range of cutting thickness, especially for thicker materials such as steel plates and stainless steel plates, and the cutting effect is better. 5. Simple operation: The operation of the plasma cutting machine is relatively simple, and the skill requirements of the operator are not high, which reduces the labor cost. 6. Low cost: Compared with high-end cutting technology such as laser cutting and water cutting, plasma cutting machine has lower cost and relatively less maintenance cost, which is suitable for small and medium-sized enterprises. In addition, the plasma cutting machine also has the advantages of good stability, easy arc starting, light weight, small size, easy to move and so on. However, the plasma cutting machine also has some shortcomings, such as arc intensity, loud noise, dust, and certain pollution to the environment, and the number of cutting guns should not be too much, otherwise it may affect the cutting quality. Therefore, when choosing the use of plasma cutting machine, it is necessary to comprehensively consider the specific application needs and environmental conditions.

A small and micro pure electric servo CNC press brake carefully developed with German technology,compared with the traditional electro-hydraulic model has 4 advantages： (1)Energy saving, a month of electricity consumption is a quarter of the ordinary hydraulic press brake； (2) Environmental protection, this pure electric press brake does not use hydraulic oil, there is no oil leakage, which makes the workshop more clean and environmental protection; (3) High efficiency, this press brake is controlled by servo motor and screw, so that the control of the whole cycle is double the efficiency of the hydraulic press brake; (4) Accurate, pure electric servo press brake mainly relies on servo motor and screw rotation, so that the slider moves up and down, long-term work, its positioning accuracy can still remain accurate! More machine, details, welcome to inquire! 一. Main structure and working principle of machine tool: 1. The machine is mainly composed of frame, slide block, back stop structure, control system and mold. （1）Frame: All steel welded structure, with sufficient strength and rigidity，and through finite element analysis to simulate real load conditions to achieve the required load conditions。After welding, annealing treatment is used to eliminate the residual welding stress of the frame. （2）Slider: The machine adopts eccentric shaft guide slider structure, the overall structure is simple, convenient debugging and maintenance. （3）Control system: using NCmax CNC bending system, this system is independently developed, flexible operation, simple, no skilled operator can operate, simple program production,fast, do not need to enter the mold information in advance to process,data modification and execution on the same screen, saving time, simplifying operations,The relative position of each axis is used to record the origin, without the trouble of the origin disappearing and resetting. （4）Mold: This part is composed of two parts: upper mold component and lower mold component.The upper mold is mounted on the slide and fixed by a splint，The lower mode can be used in various forms such as single V, double V and multi-V.Molds can be segmented or customized according to user requirements. 2 .Working Principle The machine tool is driven by the servo motor directly driven screw to achieve high speed up and down and stable repeatability accuracy and high efficiency production. Machine features: *Stability and durability: All imported servo motors are used to ensure the accuracy and stability of the machinery, and are durable. *High precision and long life: screw guide are imported C5 products, high precision, excellent performance, long service life,Y-axis minimum movement setting unit :0.005mm. 3 .Energy Conservation and Environmental Protection Special power saving: The electricity difference between the all-electric servo press brake and the electro-hydraulic servo press brake is like the difference between the frequency conversion air conditioner and the ordinary air conditioner。The all-electric servo press brake automatically outputs the appropriate power according to the working condition, and the power consumption is less than 0.5kW in idle time, so it is especially power-saving. Green environmental protection: no need to use and replace hydraulic oil, ending the waste hydraulic oil pollution to the environment. Power consumption comparison between pure electric servo press brake and common electro-hydraulic press brake: Machine Type Average Power Consumption One Year Working Time One Year Electricity Consumption 40 tons full electric servo press brake about 1kW 3000 hours 3000 kilowatt-hours 40 tons hydraulic press brake about 4.5kW 3000 hours 13,500 kilowatt-hours A year can save electricity :13500-3000=10500 degrees; Five years can save electricity: 52,500 degrees! 二.Machine dimensional drawing： Main technical parameters of machine tool (single cylinder series) Main technical parameters of the machine (double cylinder series) 三.electrical apparatus control system： 1.Electrical components are mainly made of imported brands such as Schneider, which comply with international standards, are safe, reliable, and have strong anti-interference ability. The electrical control cabinet has heat dissipation function. 2. The foot switch controls bending processing and emergency stop functions. 3. The wiring of the electrical cabinet is reasonable and clear, making it easy to repair or troubleshoot 4. The electrical cabinet body is customized by OEM from a top professional control cabinet manufacturer in China Randomly equipped with standard molds, one set for upper mold and one set for lower mold (specific according to drawing requirements)

1.Diameter range: 100-20 00mm 2.Thickness range: galvanized sheet: 0.5-1.2 mm, width 137mm 1.2-1.5mm Width 155mm 304 high quality stainless steel: 0.4-1.0mm, width 137mm 1.0-1.2mm Bandwidth 155mm 3.Unwinding machine: inner roll diameter 460-520mm, outer roll maximum diameter 1100mm, maximum load 1200kg 4.Bite: Outer bite 5.Production speed: 0-3 0 m/min, adjustable 6.Cutting method: roller shear cutting / plasma cutting 7.Power system: pneumatic for shearing and turning materials; The feeding roller clamping is hydraulic 8.Forming head mold: steel 9.Total weight of equipment: 2000kg 10.Equipment dimensions: Host: 3 6 x 1.8 x 1.5 m 11.Discharge rack: 2.1 x 1.0 x 1.0 m 12.Total power of equipment: 16KW 13.Power：380V/50Hz/3Ph 14.Console: Touch screen

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：

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：

Performance Features The pittsburgh lock forming machine is one of the essential machinery in the air duct manufacturing industry,it can be used to process various bone shapes of different shapes, which can meet the needs of various thin plate occlusions,splicing and corner welding,universal models can be machined plates from 0.5 to 1.5mm thick galvanized sheet,the enterprise can be made seven special launch boneshaped machine,adding a single flat function on the basis of the original six functions to facilitate the customer's use,improve efficiency,special models are to meet customer specific needs. 1) This machine is a specialized equipment for processing various square and rectangular ventilation ducts. The lock forming machine produced by our factory has a model from SA12 to SA15HB. The thickness of the formed steel plate ranges from 0.5 to 1.5mm. 2) This machine has the characteristics of small size, light weight, convenient movement, and simple and reliable operation, especially suitable for on-site processing of exhaust pipes in industries, enterprises, hotels, and shopping malls. 3) Using instance diagrams.