China ERW Welded Steel Pipe Mill

Basic Info

Product Description

• Model NO.: BP125
• Customized: Customized
• Application: Industry, Decoration
• Packed: Naked Packing
• Certificate: ISO,Ce,SGS
• Material: Carbon Steel,Stainless Steel
• Weight: 50t
• Color: Blue
• Trademark: BIGPOWER
• Origin: China

• Condition: New
• Theory: Pulse
• Type: High Frequency Weld Pipe Mill Line
• Container: 3X40feet Hq Containers
• Pipe Making Size: Bp32,50,60,76,89,127
• Machine Dimension: 40mx4.5m
• Voltage: 380V,60Hz
• Guarantee: 24months
• Specification: ISO, CE
• HS Code: 8515211000

1 Advantage:
1 .Our machines are manufactured from best materials. Steady, durable and long life.
2. Automatic control, easy to operate.
3. Easy to replace the moulds, save working hour and increase efficiency.
4. Higher safety for operation.
This equipment is specially used for producingΦ20-76, Square pipe: 15x1540x40 mm, Rectangular pipe: 20x1050x30 mm ,δ0.65-2.25mm high-frequency straight welded pipe and corresponding square pipe and special-shaped pipe(δ≤2.25mm).The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.
1.1 Applicable material:
(1) Hot or cold-rolled steel strip (As per GB700-88 or GB1591-88)
(2) Material: carbon steel, low alloy steelδs≤345Mpa, δb≤610Mpa)
(3) The thickness of steel strip:0.65-2.25mm (As per GB708-88)
(4) The width of steel strip:40-160mm(?.2mm)
(5) I.D. of steel coil:Φ450-Φ550mm
(6) O.D. of steel coil:Φ800-Φ1200mm
(7) Maximum weight coil:2000kgs
(8) Length tolerance:4m+/-3mm
1.2 Dimension range of processing steel pipe:
(1) O.D.:Φ12.7-Φ50.8mm
(2) Wall thickness:0.65-2.25mm(square pipe and special-shaped pipeδ≤2.25mm)
(3) Length:4-8m
1.3 Product (steel pipe) process flow:
Raw material (steel coil) -uncoiling - shearing and butt-welding - material accumulating -non-power leveling - mill-forming -high-frequency welding -removing burrs outside of weld seam -cooling- sizing - roughly straightening - fixed length cutting - finished pipe -run-out table-packing
1.4 Milling speed: 0-70m/min,(cold saw cutting without burrs on tube)
Milling speed:0-90m/min(computer flying saw cutting with burrs on tube)
1.6 Product precision: maximum tolerance of diameter?.05mm
1.7Solid-state High-frequency equipment power:150 KW
1.8 Advised user's necessary accessories (only for reference):
(1) Mechanical equipment site: 40m ?.5m (length ?width)
(2) Electrical equipment site: 6m ?3m (length ?width)
(3) Machine unit foundation base (See supplier's base drawing)
(4) Two sets of 10-ton overhead crane
(5) Power supply:
(6) a. Equipment motor:1.5KW+5.5KW+160KW+5.5KW+2.9KW+11KW=186.4KW
b: Solid-state high-frequency welder:150 KW
(7) Saw blades(Disk) for tracking saw, specification as per instruction book and quantity as per customer need.
(8) Magnetic bar(Impeder core) for welding pipe, purchase as per pipe making size.
(9) One set ofΦ2 ' , 20m high-pressure pumps pipe-welding machine cooling.
(10) One set of cooling water pool for pipe-welding machine, the volume 30 m3 with water pipe, water pressure meter and valve.(Decide size and quantity when installation on site, purchase from market)
(11) Machine unit electric circuit.Before assembling, circuit must reach the electric cabinet of high-frequency room. Electric connection for high-frequency room to overall control table and button station. (Decide size and quantity when installation on site, purchase from market)
(12) High-frequency room for machine unit.Adopting ground or attic according to customer's layout.
(13) One set of air compressor.(Purchase from market)
(14) Lifting equipment and tooling for installing machine, maximum weight of one part is 10 tons.
2. Main components:
2.1 Uncoiler:
Structure type: Double-side 180orotary hydraulic-pressure expanding tight, which insure steel coil feeding alternatively and make steel strip going into accumulator freely.
Applicable range: 40-160mm steel strip width, 0.65-2.25mm thickness,Φ800-Φ1200mm steel coil O.D., Φ450-Φ550mm steel coil I.D.,Max.2000kgs steel coil weight.
2.2 Shear and butt-welding machine, which insure double steel coil shearing tidily and then welding together and leveling weld seam.
2.3 Vertical Accumulator:
(1) Structure: squirrel-Cage type plate-welded part with automatic feeding and delivery system.
(2) Adjusting method: Manual spiral adjusting.
(3) Accumulating volume: 150-300m.
(4) AC5.5KW
2.4 Forming, welding and sizing unit:
(1) Feeding & leveling device:
Form: 9 rolls are passively leveled for straightening strip steel before it is fed into forming unit.
a. Guiding roll:One pair
(2) Forming device:Mainly roughly mill-forming steel strip and controlling weld seam.
a. Horizontal roll stand:
Quantity: 7
Structure: 45#Cast steel, double housing, changing rolls in the side
Diameter of horizontal roll's shaft: Φ55mm, material: 42CrMo
b. Vertical roll stand:
Quantity: 7
Type: Passive rotation
Diameter of vertical roll's shaft:Φ35mm, material: 45# steel
b. Drive gear box (double connection)
Quantity: 7
Structure: Spiral bevel gear, cylindrical gear
Material: casing: QT50, gear: 20CrMnTi and 40Cr, input and output shaft: 40Cr
Drive transmission: 14 sets of Jeep Auto 212 universal transmission shaft
d. One set of bed for installation (answer the use with welding apparatus and sizing device)
(3) Guiding extruding and welding scraping apparatus:
a. One set of guide roll stand for controlling direction of pipe seam to insure pipe seam flatly and straightly entering into extruding rollers.
b. One set of extruding roll stand for controlling weld seam to realize successful welding.
c. Two sets of scraper frame for scraping outside weld seam
(4)One set of water cooling device.
(5) Sizing device: Mainly fine shaping pipe after welding and controlling size accuracy. Each 6 sets of horizontal roll stand, vertical roll stand, 3 sets of gearbox branch (double connection), and 12 sets of universal shaft. (Structure same as forming device)
(6) Roughly straightening machine frame:
a. Usage: It is mainly used for roughly straightening of finished pipe.
b. Form: Turk's head type, 4 rolls single-sidextwo sets
c. One installation bed along with sizing main machine.
(7) Main driving system:The main unit is connected with main reducer by main motor and transmits power to gearbox branches, then gearbox branches drive upper and down shafts on horizontal roll frame.
a. Master motor: Z4 series, DC 160KW, one set
b. Main reducer: ZLY (outside four shaft-ends) one set
2.5 Computer-controlled cold cutting saw:
(1)Cutting method: Computer-controlled tracking and cold cutting
(2)Cutting thickness: δ0.65-2.25mm
(3) Cutting O.D.: Φ12.7-Φ50.8mm
(4) Cutting length: 4-8m
(5) Cutting tolerance: ≤3mm
(7)Cutting motor: AC 5.5KW
(8)Driving motor: SERVO MOTOR 11KW
(9)Feeding motor: Servo motor 2.9KW
(10) Length of saw machine: 4.8M
2.6 Finished pipe conveyor: (Run-out table)
Welded frame structure equipped with sizing signal system
2.7Applicable power supply 380V 50HZ 3P
Model
OD
(mm)
Thickness
(mm)
Speed
(m/min)
Main power
(kw)
HF power
(kw)
BP-16Φ 7.5-160.3-1.00-902260BP-20Φ 10-260.4-1.50-9045100BP-32Φ 13-38.10.6-1.80-9075100BP-45Φ 38.1-1020.6-2.00-8090150BP-50Φ 20-63.50.8-3.00-80132200BP-60Φ 20-760.8-3.00-80180200BP-76Φ 30-891.2-4.00-70132*2300BP-89Φ 38.1-1021.2-4.50-70132*2300BP-125Φ 50-1301.5-6.00-50200*2400BP-165Φ 50-1652.0-6.00-90200*2500Bp-219Φ 114-2192.0-6.00-40200*2500BP-219 APIΦ 114-2193.0-8.00-40250*2600

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