

| Item | Data | |
| Suitable material | Hot-roll steel or cold-roll steel | |
| Bearing flat bar width | 25-75mm | |
| Bearing flat bar thickness | 2.5-7mm | |
| Cross bar | round | Diameter 4mm, 5mm, 6mm, 8mm |
| Wrung square bar | 4x4mm, 5x5mm, 6x6mm, 8x8mm | |
| Item | Data |
| Size of finished steel gratings | 1000 x 6000mm (W x L) |
| Space between flat bars | 30, 40, 50, 60mm, adjustable |
| Space between cross bars | 38-160mm, adjustable |
| Width tolerance | Less than +/-3mm |
| Non-perpendicularity of bearing flat bar | Less than 10% of bar width |
| Position deviation of cross bar | Cross bar surface extrudes out of bearing bar surface not more than 1mm; Both ends of cross bar extrude out of the grating not more than 2mm |
| Deflection of cross bar end to center of grating | Less than 3mm |
| Deflection of spaces between any two cross bar within 1500mm length | Less than +/-5mm |
| Deflection in diagonal | Less than +/-5mm in any 1000mm length |
| Item | Data |
| Electric supply | 3phase, 380V, 50/60Hz |
| Rated welding power | 6 x 100kVA |
| Transformer capacity needed for the workshop | 630kVA |
| Rated current | AC 600A |
| Min. working current | AC 280A |
| Rated low temporary load | 50% |
| Max. pressure | 25kN |
| Max. pressing stroke for cross bar | 50mm, adjustable |
| Weight of welding machine only | About 4.5T |
| Cooling water-source needed | 0.2MPa |

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