Continuous Tack Welding Machine

Continuous Tack Welding is used for initial welding and outside welding of steel pipe .Dia:406~1626mm,Length:8000-12500mm,3~5M/m
1.
Main components of the equipment :

The equipment composed of fixing parts, unfixing parts(including fixed rolls, Steel tube pushing parts, V type roller and rotating roller,ect.
2.Main Technical Parameter for Continuous Tack Welding Machine:
A Single Pressing Roller Clamping Force
Max. 38tons (total 7sets, compression cylinder 14piecs.)
Transmission Medium (Oil) Unit Pressure
Pmax=27MPa
Outer Diameter
φ406~φ1626mm
Length of Steel Pipe
8000-12500mm
Wall Thickness of Steel Pipe
8mm-40mm(when thickness914mm:Q345
Max.thickness 50mm,X70Max.thickness 40mm)
Weight of Steel Pipe
≤22000Kg
Material
Q235,Q345,A,B,X42-80
Speed of
Welding
3-5m/min
Butt gap
not more than 0.5mm
After welding, the maximum radial deviation: less than or equal to 10mm, thickness
1mm, When wall thickness greater than 10mm: 1.2mm
Designed Theory
Crevice tube≤150mm
Wire Quantity
Single wire (technology cause determination)
Close Method
hydraulic with closed, chain conveyor, steel bottom of the positioning
Rack Height Adjustment Travel
700 mm (subject to final design)
Chain Feeding Speed
1.7-20m/min(adjustable frequency stepless)
The front roller speed transmission
5m ~ 25m/min (adjustable frequency)
Import conveyor roller speed
5m ~ 25m/min (adjustable frequency)
Exit conveyor roller speed
5m ~ 25m/min (adjustable frequency)
Total Power of Equipment
about 250kw (subject to final design)
Equipment of Dimension
42 × 5.6 × 6.1m (subject to final design )
The Height of
Equipment
the top bracket from the ground 4500mm
Total Weight of Equipment
about 120,000kg (subject to final design)