The following is the comparison LD overhead crane & HD overhead crane for our Australia client,who need a set of 6.3 ton + 6.3 ton single girder overhead crane with two electric hoists.
| Feature | HD (European type single girder overhead crane) | LD (Traditional type single girder overhead crane) |
| Design | Modular design originated from Europe (motor, reducer, electrics separated, easy to maintain) | Integrated design (Hard to maintain) |
| Appearance | ||
| Working class | M5 | M3 |
| Lifting height | 4.15m (Low headroom is a basic feature of European type hoist.) | 4.05m (We use low headroom type hoist to enable maximum lifting height in LD model.) |
| Lifting mechanism | Motor, reducer and brake 3-in-one, soft start for smooth running, long life design, maintenance free Wire rope breaking force: 2160N/ mm2 Rope diameter: 9mm Wire rope does not need oil. Rope guide: industrial plastic (small friction with wire rope) | Wire rope breaking force: 1670N/ mm2 Rope diameter: 15mm Wire rope needs oil. Rope guide: Iron (big friction with wire rope) |
| Lifting speed | 0.5~5m/min (inverter control) | 4m/min (single speed) |
| Trolley travelling speed | 2~20m/min (inverter control) | 20 (single speed) |
| Crane travelling speed | 2~20m/min (inverter control) | 20 (single speed) |
| Electrics | Schneider | CHNT （origin from China） |
| Maintenance | Maintenance free, no need to add oil 3~5 years | Gear box, wire rope needs to add oil every year. Will need to stop production for maintenance. |
| Noise | Little noise, environmental-friendly at work | Big noise in warehouse |
| Total weight | 6.5t | 7.14t |
If you do not know which type of single girder overhead crane to choose, please feel free to contact us. Or Leave a message below, our single girder overhead crane engineer will design the most suitable overhead crane for your application.