Process

Description

Steel plate ultrasonic inspection

Plate length: 8-12mi;

Plate width: 1.2-4.5m

Speed: 3-18m/min

Probe type: double crystal probe, blind zone <2mm

Passes: 40

Edge milling(beveling)

Plate length: 8-12mi;

Plate width: 1.0-5.2m

Plate thickness: 6-22mm

Material: X70, X80, Q345

Beveling type: X type

Speed: 3-15 sheets/min

Straightness after beveling: 1/2000mm

Parallelism after beveling: 1/1000mm

Prebending

Forming

Nominal pressure from 2500t to 10000t

Plate width 10-18m

Cylinder number: 2, 5, 6

Working speed: 4-9mm/s

Ram stroke: 400/600mm

Tack welding

Suitable for pipe length 8m-12.2m, pipe diameter upto 1625mm, thickness upto 50mm

Seaming frame type: circular; welding process: CO2/Ar mixed gas protection welding

Laser tracking; speed: variable speed

Inside welding

Pipe diameter 360-1460mm

Pipe length upto 12.2m

Thickness upto 50mm

Welding wire diameter 3.2mm - 4.0mm; dual wires to four wires

Welding speed: 3-6m/min

Outside welding

Pipe diameter 360-1460mm

Pipe length upto 12.2m

Thickness upto 50mm

Welding wire diameter 3.2mm - 4.0mm; dual wires to five wires

Welding speed: 0.5-3m/min

Welding ultrasonic inspection

Pipe diameter 360-1460mm

Pipe length upto 12.2m

Thickness upto 50mm

Pass number: 20

Speed: 3-12m/min

Pipe diameter 360-1460mm

Pipe length upto 12.2m

Thickness upto 50mm

Trolley speed: 0-25m/min

Expanding

Expanding type: mechanical

Expanding length: full length

Pipe length: 8-12.2m

Pipe diameter: 508-1422mm

Thickness: upto 40mm

Expanding ratio: 0.8-1.5%

Precision after expanding: diameter +2/-0.75mm

                      Oval ≦±0.25mm D%

                      Straight≦0.2% mm

Output: 8-18pcs/hr  (depending on specific situation)

Clamping car movement by servo motor

Pipe straightening function provided

Siemens PLC provided, operation mode: manual, semi-automatic, automatic

End facing

Pipe length: 8-12.2m

Pipe diameter: 508-1422mm

Thickness: 8-40mm

Cutter rpm: 15-80r/min

Speed: 6-12pcs/hr

窗体顶端

窗体底端

Hydro static testing

Pipe diameter 219-1626mm

Pipe length 8-12.2m

Thickness <40mm