Waterproof boiling-resisting cable processing method and waterproof boiling-resisting cable
A processing method and cable technology, which is applied in the processing field of waterproof and boiling-resistant cables and waterproof and boiling-resistant cables, can solve the problems of low waterproof and boiling-resistant cables, achieve performance improvement, and optimize production process control.
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Embodiment 1
[0035] Using metal copper as the raw material for the metal inner core, it is prepared into a wire with a diameter ranging from 0.5 to 5 mm;
[0036] In terms of mass fraction, 50% PVC resin powder, 23.5% plasticizer, 20% filler, 3.5% slip agent, 2.95% stabilizer and 0.05% toner are mixed to make powdery raw materials, and the above The mixed raw materials are melted by conventional techniques to form primary insulation materials;
[0037] Use an oven to bake at a temperature of 95±2°C for 2 hours to make it completely dry;
[0038] Then, extrude the dried primary insulating material on an extruder used to extrude insulating material at 140±5°C, and coat the material on the metal inner core.
Embodiment 2
[0040] Use metal aluminum as the raw material for the metal inner core, and prepare it into a wire with a diameter ranging from 0.5 to 5 mm;
[0041] In terms of mass fraction, 50% PVC resin powder, 23.5% plasticizer, 20% filler, 2.85% slip agent, 3.1% stabilizer and 0.05% toner are mixed to make powdery raw materials, and the above The mixed raw materials are melted by conventional techniques to form primary insulation materials;
[0042] Use an oven to bake at a temperature of 95±2°C for 2 hours to make it completely dry;
[0043] Then, extrude the dried primary insulating material on an extruder used to extrude insulating material at 140±5°C, and coat the material on the metal inner core;
[0044] A structural layer made of high temperature-resistant rubber material is arranged on the insulating layer, and an active calcium silicate reinforcing layer is sprayed on the structural layer;
[0045] Then wrap the woven wire mesh and the protective layer in turn.
Embodiment 3
[0047] Using metallic silver as the raw material for the metal inner core, it is prepared into a wire with a diameter range of 0.5mm;
[0048] In terms of mass fraction, 50% PVC resin powder, 23.5% plasticizer, 20% filler, 2.85% slip agent, 3.1% stabilizer and 0.05% toner are mixed to make powdery raw materials, and the above The mixed raw materials are melted by conventional techniques to form primary insulation materials;
[0049] Use an oven to bake at a temperature of 95±2°C for 2 hours to make it completely dry;
[0050] Then, extrude the dried primary insulating material on an extruder used to extrude insulating material at 140±5°C, and coat the material on the metal inner core;
[0051] Winding at least three metal inner cores wrapped with insulating layers together in a helical structure to make the main cable;
[0052] Wrap aluminum foil shielding outside the main cable;
[0053] Finally, a protective layer is provided on the outside of the aluminum foil shield.
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Abstract
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