Comparison between LD and HD overhead crane

The following is the comparison LD overhead crane & HD overhead crane for our L'australie client,who need a set of 6.3 ton + 6.3 ton single girder overhead crane with two electric hoists.

Fonctionnalité	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
Groupe de classification	M5	M3
Hauteur de levage	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)
Vitesse de levage	0.5~5m/min (inverter control)	4m/min (single speed)
Chariot de vitesse de déplacement	2~20m/min (inverter control)	20 (single speed)
Vitesse de déplacement de la grue	2~20m/min (inverter control)	20 (single speed)
Électrique	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
Poids Total	6.5t	7.14t

If you do not know which type of single girder overhead crane to choose, please feel free to contactez-nous. Or Leave a message below, our single girder overhead crane engineer will design the most suitable overhead crane for your application.