Comparison between LD and HD overhead crane

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

分類グループ

M5

M3

揚程

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.)

昇降機構

 
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)

昇降速度

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)

電

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

総重量

6.5t

7.14t