Topic: Comparison between LD and HD overhead crane
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 Crane for sale.
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
HD European standard single girder overhead crane
LD type singe girder overhead crane
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
HD crane hoist- European standard fem hoist
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)
LD crane hoist- CD/MD wire rope hoist
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.