How to repair local defects of cable insulation sheath

Zhengyu wire and cable is trimmed with a knife and cut into a 45° angled plastic block with the same shape and size. It is placed on the repairing area, fixed with pliers or a screwdriver, and then welded continuously with a hot air welding torch. Compaction, compaction, and flattening. When welding plastic, pay attention to the hot air temperature of the welding torch should not be too high, so as not to repair the plastic scorch. After the repair, the defect is tested by the spark machine and is not qualified for breakdown.

Use a knife to cut the slope of the plastic layer into a slope of 45° angle, and remove the plastic block or strip of the same shape, color and thickness. After fixing with a pliers or a screwdriver, connect it with a hot air welding torch and then compact it with a copper sheet. , compression, flattening, and finally through the spark machine test, no breakdown is qualified.

The plastic defect is flattened with a knife, and the concave portion is filled with the same plastic strip under the action of the hot air plastic welding gun, and then the copper sheet is flattened, pressed, compacted at the defect repairing place, and tested by the spark machine without breakdown. To be qualified.
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