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Varnishing process of large-size copper-clad aluminum varnished wire

A copper-clad aluminum wire and copper-clad aluminum technology is applied in the direction of reducing the size of conductors/cables, insulating conductors/cables, electrical components, etc., to achieve the effects of saving production costs, stable performance and simple processing.

Inactive Publication Date: 2020-03-27
湖州中洲电磁线有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a painting process for large-scale copper-clad aluminum enameled wires, which solves the problem of how to optimize the painting process for copper-clad aluminum enameled wires to produce large-scale enameled wires

Method used

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  • Varnishing process of large-size copper-clad aluminum varnished wire
  • Varnishing process of large-size copper-clad aluminum varnished wire
  • Varnishing process of large-size copper-clad aluminum varnished wire

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Embodiment 1

[0034] The invention provides a painting process for large-scale copper-clad aluminum enameled wire, which comprises the following steps:

[0035] Step A: making a copper-clad aluminum wire core: preparing a copper-clad aluminum wire core with a copper content of 0.3 wt %;

[0036] Step B: drawing: the copper-clad aluminum wire core is drawn multiple times to obtain a wire with a predetermined diameter;

[0037] Step C: annealing: first, the copper-clad aluminum wire obtained in step B is cleaned with pure water at 50°C, and then introduced into an annealing furnace for annealing treatment;

[0038] Step D: cooling: cooling the annealed copper-clad aluminum wire core through a cooling device in step C;

[0039] Step E: painting: introduce the copper-clad aluminum wire into the paint area of ​​the oven at a speed of 500m / min, and apply imine-modified polyimide insulating varnish on the copper-clad aluminum wire through felt or mold;

[0040] Step F: Take-up: After the copper-...

Embodiment 2

[0042] The invention provides a painting process for large-scale copper-clad aluminum enameled wire, which comprises the following steps:

[0043] Step A: making a copper-clad aluminum wire core: preparing a copper-clad aluminum wire core with a copper content of 0.4wt%;

[0044] Step B: drawing: the copper-clad aluminum wire core is drawn multiple times to obtain a wire with a predetermined diameter;

[0045] Step C: annealing: first, the copper-clad aluminum wire obtained in step B is cleaned with pure water at 60°C, and then introduced into an annealing furnace for annealing treatment;

[0046] Step D: cooling: cooling the annealed copper-clad aluminum wire core through a cooling device in step C;

[0047] Step E: painting: introduce the copper-clad aluminum wire into the paint area of ​​the oven at a speed of 600m / min, and apply imine-modified polyimide insulating varnish on the copper-clad aluminum wire through a felt or mold;

[0048] Step F: Take-up: After the copper-...

Embodiment 3

[0050] The invention provides a painting process for large-scale copper-clad aluminum enameled wire, which comprises the following steps:

[0051] Step A: making a copper-clad aluminum wire core: preparing a copper-clad aluminum wire core with a copper content of 0.5 wt %;

[0052] Step B: drawing: the copper-clad aluminum wire core is drawn multiple times to obtain a wire with a predetermined diameter;

[0053] Step C: annealing: first clean the copper-clad aluminum wire obtained in step B with pure water at 70°C, and then introduce it into an annealing furnace for annealing treatment;

[0054] Step D: cooling: cooling the annealed copper-clad aluminum wire core through a cooling device in step C;

[0055]Step E: painting: introduce the copper-clad aluminum wire into the paint area of ​​the oven at a speed of 5700m / min, and apply imide-modified polyimide insulating varnish on the copper-clad aluminum wire through a felt or a mold;

[0056] Step F: Take-up: After the copper-...

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Abstract

The invention discloses a varnishing process of a large-size copper-clad aluminum varnished wire, and relates to the technical field of varnished wires. The varnishing process comprises the followingsteps: step A, manufacturing a copper-clad aluminum wire core; step B, drawing; step C, annealing; step D, cooling; step E, painting; and step F, taking up. The varnishing process of a copper-clad aluminum varnished wire metallurgically combines copper and aluminum to obtain a copper-clad aluminum wire with a certain diameter and required electrical properties, and then carries out a series of treatments to endow the finished product with required mechanical properties, so that a large-size copper-clad aluminum varnished wire is provided for a large-size transformer, and the production cost issaved, and the performance is stable, and meanwhile, the whole processing process is simple.

Description

technical field [0001] The invention relates to the technical field related to enameled wires, in particular to a painting process for large-scale copper-clad aluminum enameled wires. Background technique [0002] Copper-clad aluminum enameled wire is one of the more commonly used enameled wires. Copper-clad aluminum enameled wire is a new type of electromagnetic wire that uses copper-clad aluminum as the inner conductor. Its characteristics are between copper and aluminum. It combines the advantages of copper's excellent conductivity and aluminum's light weight. Copper-clad aluminum enameled wire is now widely used in fields Used in high-frequency transformers, ordinary transformers, inductors, electromagnetic coils, motors, including household motors, various micro motors and compressors and other motors with high environmental requirements. However, due to its own narrowness, it usually cannot be used by large-scale transformers. Large-scale copper-clad aluminum enameled...

Claims

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Application Information

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IPC IPC(8): H01B13/00H01B13/06H01B13/30
CPCH01B13/00H01B13/0006H01B13/0016H01B13/0036H01B13/065H01B13/30
Inventor 沈嘉诚
Owner 湖州中洲电磁线有限公司
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