The structure of the electric welding machine cable is a single core. Generally, multiple copper wires constitute a copper wire group, and multiple copper wire groups constitute the conductor part of the electric welding machine cable. Therefore, YH cables have a thicker body and hundreds of copper wires. Multiple sets of copper wires are insulated and wrapped by a layer of heat-resistant polyester film. The insulation layer is generally pure natural rubber, and the copper wire is oxygen-free copper, which can ensure the good conductivity of the core and the safety of the cable.

      Cut a section of the insulating layer to see if there are any visible pores in the section of the insulating layer, and whether the core wire is located in the middle of the insulating layer. What is not in the center is the eccentricity caused by the low process, and the pores indicate that the insulating material used is unqualified. Severe eccentricity is most likely to leak on the thinner side, and the presence of pores will also affect the compressive strength.

      According to the above 8 simple verifiers, it is basically possible to identify whether it is a good line or a bad line. If you need to use data to speak, please use the corresponding instrument to detect the length, diameter, thickness, resistance, pressure resistance and strength of the wire.