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Manufacturing method for novel aluminium alloy cable

A manufacturing method, aluminum alloy technology, applied in the direction of cable/conductor manufacturing, conductor/cable insulation, circuit, etc., can solve problems such as non-standard, difficult to meet smoke-free, halogen-free performance requirements, imperfect manufacturing methods, etc., to achieve Operating specifications, ensuring industrial production, and ensuring the effect of product quality

Active Publication Date: 2014-05-28
JIANGSU SHUANGDENG POWER TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The low-smoke, halogen-free and flame-retardant cables currently used have structural defects, no metal sheath, and imperfect and non-standard manufacturing methods. It is difficult to meet the performance requirements of smoke-free, halogen-free and flame-retardant.

Method used

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  • Manufacturing method for novel aluminium alloy cable

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Embodiment Construction

[0028] Non-limiting examples are as follows:

[0029]Referring to the accompanying drawings, this embodiment is a manufacturing method of a new type of aluminum alloy cable. The manufacturing steps are as follows: material selection requirements—purchasing of the above materials—incoming inspection of the above materials—drawing the conductor with a single wire—core Stranding—core aging annealing treatment—conductor DC resistance detection—insulation layer extrusion—insulation layer crosslinking—insulation thermal extension test—insulation spark inspection—insulation core stranding, gap filling and Wrapping isolation layer - cable core pressure test - metal sheath extrusion - metal sheath rapid cooling - metal sheath eddy current flaw detection - metal sheath corrugation - non-metal outer sheath extrusion ——Spark inspection of non-metallic outer sheath——Performance test of finished cables——Packing and warehousing of finished cables to manufacture cables. Annealing treatment, ...

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Abstract

The invention relates to a manufacturing method for a novel aluminium alloy cable. The method comprises the following main manufacturing steps of: drawing single wires; stranding wire cores; performing heat treatment on the wire cores; performing resistance detection on conductors; extruding insulating layers; crosslinking the insulating layers; performing an insulating hot-prolongation test; performing insulating spark verification; stranding the wire cores into a cable, filling, and lapping an isolating layer; extruding a metal protecting sleeve; cooling the metal protecting sleeve; performing flaw detection on the metal protecting sleeve; embossing the metal protecting sleeve; extruding a non-metal outer protecting sleeve; and performing spark verification on an outer protecting layer. The novel aluminium alloy cable manufactured by adopting the method disclosed by the invention is excellent in flexible performance, conductive performance, low-temperature-resistant performance, heat-resistant performance and mechanical performance, and much superior to common aluminium alloy cables in current-carrying capability, fireproof performance and waterproof performance.

Description

technical field [0001] The invention relates to the technical field of special cables, in particular to a method for manufacturing a novel aluminum alloy cable. Background technique [0002] In the past two decades, the cables used in public places and high-rise buildings in my country have basically been low-smoke low-halogen or low-smoke halogen-free flame-retardant cables with copper core conductors. However, copper resources are in short supply in my country, and 70% of them come from imports. Copper prices have remained high since 2005. my country's aluminum resources are very rich, but ordinary electrical aluminum has poor creep resistance and elongation properties, resulting in poor operating safety during cable operation, so there are few power cables using aluminum as conductive cores in my country. As the production technology of 8000 series aluminum alloy materials continues to mature in my country, it is possible to use 8000 series aluminum alloys as conductors. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B13/02H01B13/06H01B13/24
Inventor 周友芝刘学文
Owner JIANGSU SHUANGDENG POWER TECH
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