Steel Grating Welding Machine
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Steel Grating Welding Machine
This steel grating welding machine is composed of gantry type welding machine, double-layer flat steel feeding device, cross bar auto falling device, steel grating hauling device, hydraulic & pneumatic system, cooling system, electric control system, etc.
Raw Material for Steel Gratings
- Applicable materialHot-rolled steel or cold-rolled steel
- Bearing flat bar width25-75mm
- Bearing flat bar thickness2.5-7mm
- Cross bar (RoundDiameter) 4mm, 5mm, 6mm, 8mm
- Cross bar (Wrung square bar)4×4mm, 5×5mm, 6×6mm, 8×8mm
Specifications of Finished Steel Gratings
- Size of finished steel gratings1000×6000mm (W×L)
- Space between flat bars30, 40, 50, 60mm, adjustable
- Space between cross bars38-160mm, adjustable
- Width toleranceLess than ±3mm
- Non-perpendicularity of bearing flat barLess than 10% of the bar width
- Position deviation of cross barCross bar surface extrudes out of bearing bar surface less than 1mm; Both ends of cross bar extrude out of the grating no more than 2mm.
- Deflection of cross bar end to center of gratingLess than 3mm
- Deflection of spaces between any two cross bars within the length of 1500mmLess than ±5mm
- Deflection in diagonalLess than ±5mm within the length of 1000mm
Technical Parameters of Steel Grating Welding Machine
- Power supply3-phase, 380V, 50/60Hz
- Rated welding power6×100kVA
- Transformer630kVA
- Rated currentAC 600A
- Min. working currentAC 280A
- Rated low temporary load50%
- Max. pressure25kN
- Max. pressing stroke for cross bar50mm, adjustable
- Machine weightAbout 4.5 ton
- Cooling water0.2MPa