High quality H-beam automatic welding straightening line combined
PLC
The H beam automatic welding line consists of slitting and cut to
length machine,web forming machine,flange,wed feeding
machine,corrugated web H-beam robot automatic welding
machine,corss-section cutting,output system and so on. This machine
has high quality,high efficiency,full-automation.It centralize the
assembly, welding and straightening functions on one machine which
saves space and economize workshop.
| Beam size | Specification |
| Flange thickness | 6-38mm |
| Flange width | 200-1000mm |
| Web thickness | 5-32mm |
| Web height | 200-1500mm |
| Beam length | 4000-15000mm |
Welding method: lat SAW (single wire)
Max fillet height: 8mm
Input conveyor: total 12m, three pieces, one of them is driver
Output conveyor: total 12m, two of them are elevated
Working speed: 0.2-2m/min
Total power: 20KW+150KVA
Assembly part:
There are three groups of mechanical hands for positioning and
centering of flange & web, between the input conveyors. When feed
strip into the machine, these hands can help support strip and
center, avoid tilting.
Two groups of position device for web & flange. One side is by lead
screw, the other side is by hydraulic pressing, which can locate
the strip with precision. The position devices are synchronized
through shaft on reducer.
After flange and web are feed into the machine body, the end
alignment will lift automatically to align the end of web and
flange.
Welding part:
Use two sets of American LINCOLN DC-1000 welders to weld two seams
at the same time. Each side is single arc welding (wire Ф3.2/Ф4mm).
High efficiency and perfect welding quality.
The welding torches can be adjusted freely, and be observed during
whole welding.
Two sets of flux feeding & recovery system are installed on this
machine. The flux is feed onto the seam before torch, and there is
suck mouth after torch, which can recovery un-finished flux
automatically for recycle working.
Straightening part:
The flange will be deformed because of heat from welding. At the
output side of machine, we set a straightening device to correct
the deformation.
The thickness can be corrected as following table(σb≈400Mpa):
| Flange thickness B(mm) | 6～16 | 16～25 | 25～30 | 30～38 |
| Flange width T(mm) | 200～1000 | 450～1000 | 650～1000 | 800～1000 |
After finish welding, the beam on output end will raise because web
is heated at single side, hence, we set two elevated conveyors at
output side to support the beam.
It has variable speed, indicated by digit displayer. The whole
machine is controlled by PLC.
Processing flow:
Plate cutting ---Cutting lay-off---Hanger plate---T type
assemblying---90°Turn---Hoisting-H beam assembly---Hoisting---
Welding of angle seam I--- 90° turn---Welding of angle seam
II---180° Turn---Welding of angle seam III---90° turn---Welding of
angle seam IV---Convery---Rectification of Flange slab I---90°
turn---Hoisting---Rectification of Flange slab
II---Convery---Welding Of rib according to
practical---Convery---Surface Impeller blasting---Remove blast---
Convey---Oilpaint---Packing for leaving
Finished H beams are as follow:
Service Commitment & Quality Assurance:
Installation: If necessary, engineer is available to service
machinery overseas; but all the relevant cost and extra 100USD/day
for our engineer will be paid by the buyer.
Warranty: 1 year since the machine leave seller's factory.
During the warranty period, it covers all spare parts of machines,
if you find some spare parts were damaged, those new spare parts
will be supplied free by us, but normal wear and tear excepted. And
the freight should be bore equally by both parties.
