Model NO.
LMH
Flange Width
200-800 mm
Welder Model
Mz 1000/1250
Welding Form
Peb Welding Line
Welding Speed
0.1-1.2 M/Min
Rail Gap
4000 mm
Total Power
11 Kw
Current
AC Current
Drive Mode
Electrical
Delivery
20 Days
Flux Recovery
Submerged Flux Recovery System
Certificate
CE ISO
Drive
Double Drive
Transport Package
Standard Packing
Trademark
Lemar
Origin
Jiangsu, China
HS Code
8515319900
Cooling Way:
Air Cooling
Style:
Vertical
Type:
Submerged-Arc Welder
Name:
Automatic H Beam Submerged Welding Machine
Structure Mode:
Double Cantilever Welding Heads
Web Height:
200-1500 mm
Lemar company main machines:
Steel structure production equipment:
Steel structure assembly welding and straightening machine
Assembly machine
Gantry Submerged arc welding
Hydraulic or Mechanical straightening machine
Shot blasting machine
Edge milling machine
CNC plasma cutting machine
CNC plane drilling machine
End face milling
Welding Operating manipulator machine
welding roller rotator
welding positioner
Double-layer tank seam welding equipment
Shearing/bending/iron maker machine and other products.
Steel structure production equipment:
Steel structure assembly welding and straightening machine
Assembly machine
Gantry Submerged arc welding
Hydraulic or Mechanical straightening machine
Shot blasting machine
Edge milling machine
CNC plasma cutting machine
CNC plane drilling machine
End face milling
Welding Operating manipulator machine
welding roller rotator
welding positioner
Double-layer tank seam welding equipment
Shearing/bending/iron maker machine and other products.

LMH4000 gantry type automatic submerged arc welding machine is a special equipment specially designed and manufactured for welding H-beam production.
Specifications:
No. | Item | Specification |
1 | Flange width | 200-800 |
2 | Flange thickness | 6-40mm |
3 | Web height | 200-1500mm |
4 | Web thickness | 6-32mm |
5 | Welding speed | 250-2500mm/min |
6 | Power | 380V/3P/50HZ |
7 | Seam tracking method | Automatic tracking by mechanical adjustment. |
8 | Return speed | 3000mm/min |
9 | Submerged arc welder | ZD-1250 |
10 | Wire diameter | 3.2-5mm |
11 | Track width | 4000mm |
12 | Speed regulation mode | Variable frequency stepless speed regulation. |
13 | Drive mode | Bilateral drive |
14 | Lifting column adjustment | Electric up and down |
15 | Track length | 18000mm*2 (provided by the customer). |
16 | Flux material barrel | 2×100kg |
17 | Overall size | 2150(L)*4450(W)*3600(H) |



Configuration Parts Provided
No. | Item | Note |
1 | Travel | 2 sets of 1.1KW geared motors |
2 | Welding | 2 sets of 750W geared motors |
3 | Flux | 2 sets |
4 | Flux | 2 sets |
5 | suction nozzle | 2 pcs |
6 | Flux suction tube | 2×5m |
7 | Submerged arc welding machine | 2* ZD-1250 |
8 | arc guide device | 2 sets with welding gun |
9 | Cable moving sled | 7 pcs |
10 | Control box | 1 set |






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