10 kv single core crosslinked heat shrinkable cable terminal head craft
as an authoritative cable accessories manufacturers, to 10 kv single core crosslinked heat shrinkable cable terminal head craft makes a brief analysis for everyone, so that we can better understand 10 kv single core crosslinked heat shrinkable cable terminal head of production process, we take a look at the following:
1. Installation of ground wire
30 mm, outer sheath incision with copper cable tie tied to ground on the copper shield and welded. Attention to plunge into silk of not less than 2, welding surface not less than 1/3 of the circumference of a circle, solder joint and the firm should handle the flat wire head, there should be no sharp corners and burrs.
2。 Cutting copper shield
keep within the outer sheath incision 50 mm copper shield, temporary fixed with polyvinyl chloride (PVC) from cat belt, the rest of the strip. Pay attention to the incision should be flush, there shall not be sharp corners.
3。 Cutting outer semiconductive layer
keep copper shield incision semi-conducting layer within 20 mm, the rest of the strip. Pay attention to the incision should be flush, leaving no remnants ( Use detergent to clean insulating layer surface) , do not hurt the main insulation layer.
4。 Fixed the stress control tube
temporary fixed tape stripping, lap copper shield 20 mm, and from that point on fixed heating. Note heating flame in the direction of the contraction, soft hard moderate and constantly rotating, moving.
5。 Cutting the main insulation layer of
online core end to remove terminal hole deep L add 5 mm main insulation, pay attention to conducting wire core shall not be hurt.
6。 Cutting cone reaction force
the core end main insulation measure fracture place down take 40 mm, cut into 35 mm long cone, keep 5 mm inner semiconductive layer. Pay attention to demand cone round.
7。 Winding and sealant
in the clean earth and place in the direction of the cable outer sheath incision winding and a layer of sealant 50 mm wide.
8。 Fixed insulating tube
insulation surface cleaned up first, and then in the insulation surface evenly coated a layer of silicone grease, and then put on insulation tube. Its outer sheath 60 mm, and from then on began to heat shrink. Pay attention to the fire in the direction of the contraction, banning the use of fire, heat shrinkage flame should revolve and move.
9。 Crimping terminal
each terminal pressure 2. Note after pressure to the cutting edges, burrs should be removed.
10。 Surrounding the sealant
in the reaction force of cone sealant. Note after winding and outside diameter should be slightly bigger than the cable diameter.
11。 Fixed seal tube
to seal pipe sleeve to terminal and the insulating joint, starting from the terminal side heat shrink. Pay attention to the seal should be grinding and plastic bags in advance.
12。 Stationary phase color tube
group color tube set on the sealing tube, heating fixed indoor installation.
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