The top drive cables sold by our company are made of selected imported materials, and the materials selected for the insulation layer of the lead-aluminum protective layer are checked layer by layer, including the soft conductor and the outer sheath coated on the soft conductor, which is composed of a number of thin copper wires. Each strand of fine copper wire is composed of a number of thin copper wires, and a thin steel wire is arranged in each fine copper wire. A filling rope is arranged in the soft conductor, and an isolation layer, an insulating layer and a braided layer are arranged between the outer sheath and the soft conductor from the outside to the inside. The advantages are: corrosion resistance, high temperature resistance, low temperature resistance, freezing resistance, UV resistance, aging resistance, tensile properties and torsional properties.
The interior potting of the travelling cable to fix the cable to prevent friction when the cable comes back to bend, and the two ends are sealed with a new type of high hardness insulation material to prevent water intake. Strict drying treatment should be carried out before potting chemical materials such as epoxy resin and quartz powder, so that bubbles and moisture can not enter the cable plug, and the edge of the lead sheath should be insulated and strengthened.