Single Girder Overhead Travelling CranesSingle-girder cranes, the box girder or ready structural steel (HEA, HEB, IPN) consists of the construction made mobile lifting group and undercarriage. In general, it is preferred for low tonnage and bridge openings. Pinch Although an effective solution in the narrow distance between six and walking path crane beams, provides advantages in terms of initial investment costs. In general, the main power supply and the busbar system, and monorail hoists are supplied with a power line or moving car profile cable channel. Manufacturing, assembly line, it is preferred in many areas of industry, especially in the paint shop and benchtop equipment installation work.