1. The length of free use is more than 35m.
2. The running speed is more than 1.6m/s.
Consideration should be given to the addition of load-bearing elements in cables, which are usually galvanized soft wire ropes or fibre ropes such as aramid yarns. When the hoisting cable is twisted and arranged in plum blossom type: 1. Free suspension length greater than 80m
2. The running speed is 4.0m/s-10m/s.
Consideration should be given to the addition of load-bearing elements in cables, which are usually galvanized soft steel wire ropes
