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Preparation of three-layer co-extrusion dry cross-linked cable production line before start-up
2022-05-13 16:03
Preparation of three-layer co-extrusion dry cross-linked cable production line before driving:
The upper and lower closing pads and molds are prepared according to the cable specifications produced by the (I) selection of the closing pad and the mold, and installed in the extruder.
(II) extruder heating and heat preservation In order to make the temperature of the extruder meet the process requirements, the start-up heating time shall not be less than 3-4 hours.
When there is no lead in the (III) lead wire cross-linking tube, the lead wire shall be introduced into the tube, led to the lower seal, wound around the lower traction wheel, pass through the guide wheel of the wire storage device, and connected to the take-up reel.
(IV) the wire connector, the required wire is passed through the copper pipe hydraulic press connector, or the electric welding machine connector can be used. After the wire coil rises to the position, the tension is automatically adjusted.
(V) traction and take-up according to the process requirements to select the upper and lower traction, auxiliary traction, take-up gear box number and gear number.
(VI) shielding material drying shielding material is sucked into the dryer for drying before driving, the temperature is 40-60 ℃, and the time is not less than 4 hours.
Select the appropriate take-up reel (VII) to the planned length of the take-up, and adjust the pitch, limit and angle of the arrangement guide wheel.
Preparation of three-layer co-extrusion dry cross-linked cable production line before start-up
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