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How to repair the local defects of wire and cable insulation sheath under the analysis of three-layer co-extrusion head?
2022-05-13 16:04
The use of wire and cable we will often encounter insulation rupture or local defects, then, encounter these problems should be how to solve it?
When welding plastic, pay attention to the hot air temperature of the welding torch not too high, so as not to repair the plastic scorching. After the repair of the defects after the spark machine test, not breakdown for qualified.
The three-layer co-extrusion head tells you a good way: use a knife to cut the defective part of the plastic layer into a slope shape of 45 degrees, remove plastic blocks or strips with the same shape, color and thickness, fix them with pliers or screwdriver, connect them with a hot wind speed welding torch, then compact, compact and flatten them with copper sheets, and then pass the spark machine test without breakdown as qualified.
The plastic defect is scraped flat with a knife, the concave part is filled with the same plastic strip under the action of the hot air plastic welding gun, and then the defect is flattened, compacted and compacted with copper sheet. After the spark machine test, it is qualified without breakdown.
How to repair the local defects of wire and cable insulation sheath under the analysis of three-layer co-extrusion head?
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