11 May
11May

An suspension crane, or under-running overhead crane rides on the lower flange of the beam, comparing with a top running overhead crane.

On crane i beam & Crane tracking

An suspension crane outcomes the top running crane in that the suspension crane experiences fewer tracking problems than a top-running crane due to the suspension crane is bolted to the I-beam, which is secured to the building structure. Whereas, it also limits the overhead crane crane’s movement and lessens the chances of rail misalignment.

On realignment

But when an suspension crane system does require realignment, the required downtime may be greater than for a top-running crane system, due to suspension and rigging required for alignment of an underhung system. In contrast, while top-running crane systems require more frequent rail alignment checks and more frequent rail alignment, they are easier service.

Suspension crane: single girder or double girder design?

Suspension cranes is usually designed in single girder configuration for lighter service and lower-capacity lifting applications. When itis designed in double girder, it also can handle loads with higher capacity, but it will be impractical and expensive.

Suspension crane saves your floor space with existing structures

Due to the suspension crane is supported by the existing ceiling trusses or the roof structure, it will helps to maximize the floor space of your facility. Suspension cranes provides excellent side approach and makes the most of your facility’s width and height for being supported by roof or ceiling structures. Suspension crane is the first choice for facilities with limited vertical clearance or headroom to install a top-running overhead crane system. 

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