H Beam Automatic Welding Machine With A.C. VF Drive System
PHJ series H beam fabrication machine is a highly efficient
equipment for manufacturing welding-structure H-beam, which can
finish the job of accurate “I” shape assembly, SAW, flange
straightening of light-duty H-beam with the weld-toe below 8mm.
This equipment has the merit of compact appearance while
integrating the function of assembly, welding and straightening, so
as to leaving out transfer of work-piece among different process,
which is a cost-efficient equipment of good technology.
1. Technical parameters
● Flange thickness: 6-32mm
● Flange width: 180-800mm
● Web thickness: 6-25mm
● Web width: 200-1500mm
● H-beam length: 4000-15000mm
2. Machine parameters
● Welding: twin-arc tack SAW
● Maximum weld-toe size of single pass: 8mm
● Input conveyor: total length 10m, into 3 segments, of which one
is motor-driven, 3 sets conveyor.
● Output conveyor: total length around 10m, of which two can be
elevated, 4 sets conveyor.
● Assembly, welding and straightening speed: same 0.2-2m/min
● Total power: 11KW (two welding power is 180KVA)
● Machine size: length*width*height =28m*4m*4.2m
● Assembly unit
There are 3 sets of manipulator among input conveyors of the
equipment, for rough aligning and positioning of flange and web.
When sheets are hoisted onto the equipment, these manipulators can
support the sheets and align them, preventing the sheets from
dumping, making operation safe and reliable.
There are 2 sets of
positioning units for flange and web each, with the positioning
style of one side lead-screw, the other side hydraulic cylinder,
making accurate positioning of the work-piece. The lead-screw
positioning units (2 for flange, 2 for web) are joint together thru
coupling shaft of reducer, guaranteeing in-phase working of the
units, as well as simple and quick adjustment for different size of
After web and flange are
sent into the equipment, the tail aligning unit will be raised
automatically, making sure alignment of face of flanges and web.
● Welding unit
2 sets of U.S. LINCOLN
DC-1000 SAW system are used for welding the 2 seams alongside both
sides of H-beam, of Twin-arc fashion (TWIN, Ø1.6 wire), featuring
in high efficiency and good quality.
Position of welding
torch can be adjusted and observed easily during welding.
2 sets of automatic flux
recycling system are used for conveying flux to the welding seam
and screening and recycling un-sintered flux by way of the suction
hole at the rear side of torch, and sucking the flux back into flux
barrel for re-use.
● Straightening unit
Deformation happens at
the flanges post welding. For this reason, 1 set of flange
straightening unit is equiped at the output side of the equipment.
It is mechanic down-stroke style, of strong force and easy control.
Thickness of flange that
can be straightened see below table (tensile strength σb≈400MPa):
Flange width thickness (mm)
Flange width (mm)
After welding, one side
of web will be subjected to heat input, making H-beam expanding and
bending upward. For this reason, 2 sets of elevating conveyor are
used for supporting H-beam.
The equipment has the
same speed for assembly, welding and straightening which is VF
controlled and displayed in digit, adapting to manufacture of
H-beam of various specification.
4. Main units
● Welding system: U.S. Lincoln DC-1000, TWINARC
● A.C. VF drive system: JP Mitsubishi
● Reducer: Chinese-made
● Hydraulic system: Chinese-made
5. Range of supply
● Main body: Assembly unit, welding system, straightening unit, top
gantry, flux conveying and recycling system
● Input conveyor: Total length around 10m, 3 sets of manipulator
for rough aligning and supporting of flange and web
● Output conveyor: Total length around 10m, 2 segments of elevating
● Welding source: 2 sets of LINCOLN DC-1000, NA-3S wire-feeding
unit and control board
● Hydraulic pump station: 1 set
● Control system: 1 set
|This is clamp device, when input the h beam to main machine it will
clamp the beam to forbid wobble||Control panel and transmission device, if you want to see the video
please search Luk Mankai at youtube|
|To be shipped, we will sold to Russia market two or three
sets every month|