Crane components

Crane runway: Although the crane runway is literally not part of the crane the rail construction and its capacity are determinant factors for choosing a possible crane construction.

Crane girder: The girders are made of rolled profile or welded box section. To determine the size, GD applies the most developed finite element method, which results are weighted by the changing material costs and production costs. As a result the most optimal and most economic construction for the task will be decided for.

End carriage: The forces originated by operation are transmitted through the end carriage to the crane rail, meanwhile the crane provides its safe travelling and stopping in any operation situation. From the view of the operator it is most important to choose a reliable construction with long life expectancy and low maintenance costs. The best token of a good choice are the wear-resistant wheel material (nodular graphite), the maintenance free closed bearing, the drive with closed oil chamber, that can be threaded, the three-phase drive engine with included disc brake and inverter supply, that is able to brake electronically.

Crane trolley: The technological maturity of the trolley construction is the cornerstone of reliability. The expected life span has to be aligned with the carefully determination of the necessary mechanism group number. With the help of the cycle period-analysis we can avoid to apply a construction, that is not able to fulfil the life expectancy, or one that is over dimensioned for the task.

Electrical system: The electrical system of the crane includes the supply along the crane runway, the trolley supply, the control system and the safety equipment, but can be completed with countless options (load grabs, measuring facilities along the runway, area blockades, video system, etc.).
Characteristic for modern lifting equipment is the box-line power supply along the runway, festoon power supply with C-rail for trolley, mobile inverter drive system and remote control, stepless, with joystick control unit.

Documentation: The documentation is an important part of any lifting equipment. The operator is by the law in force obligated to own a complete sample. After successful operation and load tests the supplier is obligated to hand over the crane handbook, static calculations, the manufacturing documentation and the handbook of operation and maintenance as well as the declaration of conformity by an accredited institute.