Double Girder Overhead Crane - Q235b/q345b Material, High Deflection Accuracy | Automatic Welding, Epoxy Zinc Rich Finish, Lifetime Safe Connection

Double Girder Overhead Crane is a kind of heavy duty crane ,it is widely used in plants, warehouses, materials stocks to lift goods or materials. This crane mainly consists of strong bridge beams,crane traveling mechanism, electric winch trolley and electric system,and could be classified into several working duties,e.g.A5,A6,A7,according to the working frequency and pure working time.
Mechanical feature
1) Single welding box girder, DIN/FEM standard deflection.
2) Material Q235B or Q345B. (Similar to the international steel Fe360 or Fe520)
3) Whole length CNC cutting for complete web plate, high deflection accuracy.
4) High quality automatic welding and NDT inspection.
5) Shot-blasting Sa2.5 for complete girder after welding, stress release.
6) Epoxy zinc rich high quality painting, 2x2 with 140m.
7) 10.9 class High tension bolts mounting between girder and legs, life time safe connection.
8) Single flanged or flat wheels, anti-friction bearings, cellular buffers, derailment protectors.
9) Full-length service platform along the crane bridge is supplied, where it is equipped with protective hand railing and toe strips.