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NO
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Equipment
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Introduction and main technical parameters
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(1)
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Raw material uncoiler
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It’s used to support the steel strip roll and feed raw material for the production line.
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1) Structure mode
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Double working position
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2) Material tray outer diameter
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Φ1500mm
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3) Material tray inner diameter
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Φ350 - Φ550mm
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4) Central height
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1000mm
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5) Weight bearing
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2500Kg
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(2)
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Shearer and butt welder
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It’s used to weld together the tail of former material roll and the head of next roll to ensure the continuous production of pipes.
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1) Shearing
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Responsible for shearing irregular parts of two material rolls and making preparation for welding.
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2) Welding
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Responsible for connecting head and tail of two steel strip rolls.
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(3)
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Cage-style material accumulator
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It’s used to store and feed raw materials for the forming machine so that the machine can work continuously.
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1) Power of driving motor
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5.5Kw
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2) Max thickness of steel strip
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2.5mm
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3) Max width of steel strip
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200mm
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4) Max storage capacity
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150 - 300m
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5) Max material feeding speed
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150m/min
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(4)
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Forming and sizing machine
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It’s the main equipment of the production line. Rollers can make steel strip form into pipes of variety shapes. It consists of forming part , welding part and sizing part.
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1) Forming part
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Material feeding - Flattening - Feeding - 1 Horizontal roller - 1 Vertical roller - 2H - 2V - 3H - 3V - 4H - 4V - 5H - 5V - 6H - 6V - 7H - 7V
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2) Welding part
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Seam direction guiding -Extruding - Welding - Weld burr removing - Water cooling
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3) Sizing part
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1V - 1H - 2V - 2H - 3V - 3H - 4V - 4H - 5V - 5H - Speed measuring - Straightening
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4) Driving method
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132Kw DC motors transmit power to gear boxes through reducer, then gear boxes transmit power to each horizontal roller through universal shafts.
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5) Horizontal rollers
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Using gantry typeintegral frame. Diameter of horizontal shaft is Φ55mm and the material is 40Cr.
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6) Vertical rollers
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Adjusted through lead screw. Diameter of vertical shaft is Φ35mm and the material is 40Cr.
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(5)
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Computer flying saw
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With the high precision STD control system and quick reaction of mechanical system, the cutting saw has reliable synchronization performance and high precision cutting length.
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1) Structure model
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Controlled by computer program
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2) Max pipe diameter
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Φ65mm
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3) Max pipe thickness
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3.0mm
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4) Error in length
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±3mm
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5) Power of cutting motor
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11Kw
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6) Power of driving motor
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11Kw
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7) Specification of saw piece
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Φ50×Φ450×3.0mm
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8) Linear velocity of saw piece
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87m/s
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(6)
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Automatic unloading platform
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It is an unloading platform of pipes cut by computerized saw. After the pipes falling down, workers can quickly check the quality and package them for preparation of transportation.
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(7)
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High frequency induction appliances
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Using the current skin effect and proximity effect of high frequency to make both edges of the material rapidly heated to soldering temperature and then weld them together. Using computer to monitor the process can provide the machine with reliable quality.
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(8)
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Rollers
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Due to reasonable design, high precision CNC machine process and advanced heat treatment technology, the pipe forming process is smooth, stability and high efficient.
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