Stainless steel wire rope is widely used in engineering cranes. It is generally made of many high strength steel wires. It first consists of a single wire wound together to form a strand, and then some of the strands are wound into a rope core, and then the outer strands composed of other strands are wound around the rope core to form a wire rope.
Whether the wire rope is chosen correctly or not directly affects the service life of the rope and causes the structural deformation, fracture and unexpected failure of the rope. Therefore, the selection principle is as follows: when the progress of unguided heavy objects is made once or repeatedly at a larger height, the non-rotating wire rope is selected:
When a guided weight progress or repeated guided weight progress at a smaller height (driving) or left-handed and right-handed rope is used in pairs, ordinary wire rope can be selected. The determination of wire rope rotation should comply with: right-handed rope groove drum recommended use of left-handed wire rope: on the contrary, left-handed rope groove drum should use right-handed wire rope.
For single-layer wound non-rotating wire rope, it is necessary to strictly abide by the above principles, otherwise it is easy to cause permanent deformation of wire rope structure; In the case of multilayer winding, the rotation of the rope is determined by the orientation of the reel’s rope groove to lay the foundation for the next layer. The friction between the wire rope and the extrusion pressure of the multi-layer winding drum are large, and the disorderly rope phenomenon is easy to occur. Therefore, the wire rope with a diameter slightly smaller than the pitch of the rope groove and the diameter of the rope groove should be selected to add the touch area between the wire rope and the drum.
Post time: 28-07-22