Single Girder Light Crane System

The single girder light crane system is a modular overhead suspension crane for loads from 125 kg to 2 t at individual workstations and along production lines. One crane girder travels on two parallel enclosed tracks and an electric chain hoist runs along the girder, so the operator can reach every point of a rectangular working area.

The system is built from standard components: cold-rolled enclosed track profiles, suspension fittings, trolleys, end stops and a festoon cable or conductor line. Everything is bolted together on site. The tracks hang directly from an existing roof structure or concrete beams, or sit on a free-standing steel frame where the building cannot carry the load.

Two track designs are available. Flexible (articulated) suspension lets the girder follow small level differences in the supporting structure, keeps push travel light and keeps installation cost low. Rigid C-profile track is bolted solid for higher stiffness and positioning accuracy next to machine tools and precision assembly stations.

Light loads are moved by hand; electric travel drives with frequency control are fitted for heavier loads and longer runways. Several girders can share one runway, so neighbouring workstations work independently of each other.

Standard configurations (can be customized)

Girders longer than 6.5 m at 500 kg, and all girders from 1 t upwards, are supplied with a reinforced profile. Longer spans and higher loads are available as a double girder system.

1. Modular and easy to extend
All components are standard bolted modules. Girders can be added, the runway extended or the whole system moved to another bay when the production layout changes.

2. Low dead weight, light push travel
The trolley wheels run inside the enclosed profile, protected from dust. Loads of a few hundred kilograms are positioned by hand without effort and without travel motors.

3. No crane runway columns needed
The tracks hang from the existing roof structure. Where that is not possible, a free-standing frame is fixed to a normal concrete floor with chemical anchors.

4. Flexible or rigid track
Flexible suspension absorbs shocks and tolerates uneven supports; rigid track gives a stiffer crane and more accurate positioning. We recommend frequency-controlled travel on rigid systems.

5. Several cranes on one runway
More than one girder can run on the same pair of tracks, with intermediate stops separating the working zones. The supporting structure is rated for one loaded crane per bay unless a higher load is specified with the order.

6. Tested before delivery
Every system is load tested at 1.25 times rated capacity (static) and 1.1 times (dynamic). End stops and safety ropes on tracks, girders and hoists are standard.

Typical uses for the single girder light crane system:

1. Assembly lines: engines, gearboxes, motors, pumps, battery modules and other components moved between stations.

2. Machining cells: loading and unloading CNC lathes, machining centres and drilling machines.

3. Mould, die and fixture handling in injection moulding and stamping shops.

4. Warehouses, packing and dispatch areas with frequent lifts of similar loads.

5. Maintenance and repair bays where a full overhead crane is not justified.