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How to distinguish the quality of cable and wire

How to distinguish the quality of cable and wire

  • Categories:Company news
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  • Origin:
  • Time of issue:2020-01-07
  • Views:3

(Summary description)Foot meter in meters on the hand and foot may be more difficult to detect, because customers generally do not have the actual meter measurement equipment, the same use of weight measurement method can be known whether the cable is enough meters.

How to distinguish the quality of cable and wire

(Summary description)Foot meter in meters on the hand and foot may be more difficult to detect, because customers generally do not have the actual meter measurement equipment, the same use of weight measurement method can be known whether the cable is enough meters.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2020-01-07
  • Views:3
Information

Foot meter in meters on the hand and foot may be more difficult to detect, because customers generally do not have the actual meter measurement equipment, the same use of weight measurement method can be known whether the cable is enough meters. Or it is also a good way to print rice marks when the factory is producing, but it should be noted that there is no way to print rice marks on lines with diameter less than 5mm.

Foot square copper is a kind of precious metal. If we lose a little in copper diameter, it can reduce a lot of raw material cost. In this way, micrometer is needed to measure the diameter of copper wire. If there is no micrometer, the simpler way is to weigh the whole coil of wires to see if it is much lighter than a good cable. Or refer to the nominal weight given by the factory. Some factories give low nominal weight, which naturally cannot guarantee the quality of the products.

How to distinguish the quality inside the wire and cable:

Copper cable with high quality uses high purity oxygen free copper, the copper core is bright in color and the poor copper wire surface is relatively dim.

extruder

Plastic plastics use high-quality primary plastics, good bending performance, bending cable will not produce texture, poor recycled plastic will appear obvious texture after several bending, bending many times, fracture.

Cable equipment

In order to ensure the round and integrity of the cable, the filler will be added to the online core for multi-core cables, and the thickness of the sheath is relatively thick. If the cable is not round and complete, it means that the filler is little added and the sheath is thin.

Cable equipment

The wire bundle will be conducted in the production of multi strand copper wire to improve the tensile performance, roundness, electrical performance and the tightness with the insulation layer. However, due to the increase of copper usage, many factories omit this step. The resolution is to cut the core wire of the cable to see if the copper wires are twisted together regularly.

For the cable with copper mesh braid, the braid layer accounts for a large part of the cost of cable raw materials. The coverage of the braid directly affects the electrical performance of the cable. Meanwhile, the tight braid layer can increase the strength of the cable, and the wire and cable reduce the decline of the electrical and gas performance of the cable in the bending state. Therefore, it is an important means to distinguish the cable from the good and bad by looking at whether the braid layer has high coverage and even and fine knitting.

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