Year 2019
Tube making type: induction welding
Material: Hot rolled pickled plate or cold-rolled strip steel (yield strength below 500MPa)
Material: plain carbon steel, low-alloy high-strength steel.
Pipe specification: 19-76 mm,
3.0-8.0mm thickness
Pipe making speed: MAX 40M/min
Material limitations
Inner diameter of steel coil: 508mm,
Outer diameter of steel coil: 2000mm
380V+5% V/38. Main voltage:
7. Control voltage: 220V ± 5% V/3
50HZ±3%HZ
Welding machine : 600kw
Machine list :
Hydraulic uncoiler
Leveling machine
Shear welding machine
Accumulator
Forming machine
Welding machine
Cooling part
Sizing machine
Cold cutting saw (Contor brand)
Run out table
Equipment composition:
1. Uncoiling device (including upper/lower feeding arms, pressure plate head mechanism, feeding guide plate)
2. Leveling machine
3. Shear welding machine
Detailed specifications of the equipment
1. Uncoiling device
a. Type: Rotary arm up and down unwinding
b. Pressure arm: hydraulic lifting, feeding guide wheel is driven by hydraulic motor with PU rubber wheel
c. Pressure plate head: Use hydraulic cylinder and feeding guide plate to flatten the plate head for easy entry into the leveling wheel
d. Feeding guide plate: Utilizing hydraulic cylinders for compression and lifting to facilitate steel plate feeding e. Guide plate material: welded steel plate
2. Leveling machine
a. Type: 7-roll leveling
b. Roller arrangement: upper 3 rollers, lower 4 rollers
c. Roller adjustment: The clearance needs to be adjusted according to the thickness of the plate, and the upper wheel is adjusted by the scroll turbine
d. Power: 10HPAC motor
e. Transmission mode: AC reduction motor drives the active wheel axle, f. Pinching roller: The upper/lower wheel is a steel transmission wheel
3. Shear welding machine
a. Type: Double blade cutting
b. Cutting cylinder: FA200x300st1 set
c. Cutting blade material: SKD11 heat treated and ground, HRC56-58 °
d. Shear capacity: MAX8.0mm (tensile strength below 500Mpa) e. Welding method: CO2 shielded welding (500A welding machine)
f、 Welding gun moving mechanism: driven by a DC65W motor, with a moving speed
1500mm/min, and use a cylinder to quickly lift and lower the welding gun
g. Pinching roller: The lower wheel is the driving wheel, DCIIP transmission, with a moving speed of 5M/min,
The upper wheel is a passive steel transmission wheel, and the lifting is driven by a hydraulic cylinder h. Guide wheel set: 4 sets of upright rollers, manually adjust the center width
A. Milling machine (with digital display)
a. Function: Squeezing and milling the edge of the workpiece strip, which is conducive to forming
b. Mechanical: Adopting two sets of roller squeezing and adding milling fixtures, with the power of the main engine.
B. Forming section
a. Function: The steel strip is molded segment by segment according to the mold
b. Mechanical: 10 sets of molded driving wheels, and the material of the arm seat is ductile iron QT400
Made by annealing processing (imported from Taiwan) The diameter of the horizontal axis mold position is ∅ 100mm, with a key of 28. The inner bearing position has a shaft diameter of φ 90mm, and the outer lining position has a shaft diameter of 100mm. The material is 42 CrMo. The fixed seat is equipped with 322xx tapered roller bearings (Japanese original NSK), and the movable seat is equipped with RNA49xx roller bearings (Japanese original IKO). The inner bearing is lined with steel bushings (self-made) Bilateral linkage can also separate single action, equipped with a separate servo motor, to adjust the upward and downward movement of the upper mold shaft by the forward and reverse rotation of the motor
11 sets of molded passive wheels, with seat body material made of ductile iron QT400, annealed The shaft diameter is 070mm and the material is 42CrMo. After quenching and tempering treatment, the surface is high-frequency plated with hard chromium and finely ground, without power follow-up Width adjustment CNC positioning Equipped with a separate servo motor, adjust the opening and shrinking by the forward and reverse rotation of the motor
Power transmission mountain universal joint gearbox
c. Electrical: DC DC180HP fixed torque motor and control system (Dongyuan) C. Welding section (with digital display) a. Function: Weld bead correction welding
b. Mechanical: Welding joint correction system, with upper and lower rollers wrapped in toothed discs for rotation adjustment The welding roller is a three roll welding roller, SQS shaft type The fusion stability is high, with a spacing of 320340mm There are two sets of scraper seats in front and back, and the seat is cushion type, adjusted by an elevator The waste material winding adopts pneumatic winding, with automatic stopping of material breakage and automatic starting of feeding c. Electrical: 1/2HP pneumatic motor (Shanghai Gaston)
D. Cooling section
a. Function: After welding is completed, the iron pipe is cooled using air cooling followed by water cooling, divided into two sections
Water cooling, pre spray and water immersion.
b. Mechanical: A3 plate profile welding, with appropriate spacing and passive wheel sets. c. Length 40M E. sizing section
a. Function: Precision rolling and shaping of pipe diameter, fine tuning and sizing
b. Mechanical: There are 10 sets of drive wheels for sizing, with the first 9 sets being powered separately and the 10th set being driven,
The material of the car arm seat is ductile iron QT400, which is annealed and processed (imported from Taiwan) The diameter of the horizontal axis mold position is 0100mm, the key is 28, the inner bearing position has a shaft diameter of Φ 90mm, the outer lining position has a shaft diameter of 100mm, the material is 42 CrMo, and after quenching and tempering treatment, the surface is high-frequency plated with hard chromium and finely ground; The fixed seat is equipped with 322xx tapered roller bearings (original Japanese NSK), the movable seat is equipped with RNA49xx roller bearings (original Japanese IKO), and the inner bearing is made of steel lining (self-made) Bilateral linkage can also separate single action, with CNC adjustable up and down spacing, equipped with a separate servo motor, to adjust the upward and downward movement of the upper mold axis by the forward and reverse rotation of the motor
There are 10 sets of fixed diameter passive wheels, and the seat material is ductile iron QT400, which has been annealed The shaft diameter is 070mm and the material is 42CrMo. After quenching and tempering treatment, the surface is high-frequency plated with hard chromium and finely ground, without power follow-up Width adjustment CNC positioning, equipped with a separate servo motor, adjusts the opening and shrinking by the forward and reverse rotation of the motor
The single power transmission is connected to the worm gear box by a coupling, with a total of 9 sets
c. Electrical: Each individual worm gear box is equipped with a 37KW DC motor (Dongyuan) and two cross straightening seats.
a. Function: It can be adjusted in four directions to achieve straightening of iron pipes Easy to operate
Make and facilitate the production of square tube molding
b. Mechanical: Single seat unidirectional, consisting of a gear plate and a mold seat. G. Main control box
