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Hollow wire and processing technology thereof

A technology of hollow wire and processing technology, which is applied in the manufacture of cables/conductors, the manufacture of extensible conductors/cables, rods/rods/wires/strip conductors, etc., which can solve the problems of high price, difficult production and processing, and eccentricity of inner holes. Asymmetry and other problems, to achieve the effect of high processing precision, good surface smoothness, and small flow resistance

Active Publication Date: 2021-11-02
孙福学
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the silver-copper eccentric hollow wire is mainly used for the rotor coil of a high-power (above one million kilowatts) generator. The indicators are strict, and because of the eccentric asymmetry of the inner hole, the production and processing are extremely difficult. At present, this product is all imported from abroad. very expensive

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  • Hollow wire and processing technology thereof

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Embodiment Construction

[0027] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0028] The invention firstly discloses a hollow wire, the cross section of which is rectangular, the wire is silver-copper hollow wire, the thickness of the hole walls on both sides is quite different, and it is a profile with unequal wall thickness, and its material includes 0.08-0.12% silver , the balance is copper, and a small amount of impurities, the impurity is P, and the content is controlled between 0.001-0.007%. There is a hole 1 in the wire, combined with the attached figure 1 It can be seen that the length of the rectangular cross section is L, the width is H, the hole is a circular hole or an elliptical hole, the length direction dimension of the hole is expressed as A, the width direction dimension is expressed as B, and the center of hole 1 is O 2 with the center O of the rectangular cross-section 1 do not coincide, O 1 o...

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Abstract

According to the hollow wire and the processing technology thereof, the cross section of the wire is rectangular, a hole is formed in the wire, and the center of the hole does not coincide with the center of the rectangular cross section. The hollow wire is mainly used for a rotor coil of a high-power generator set, a cooling medium can be introduced into the hole, and compared with a rectangular inner hole, a circular hole or an elliptical hole, the hollow wire has the advantages of large conductive cross section, more cooling medium flow in unit time, small flow resistance and good heat dissipation performance; according to the processing technology of the hollow wire, three working procedures of extrusion, rolling forming and stretching forming are innovated, the processing of the hollow wire can be completed by matching with a die on the basis of existing equipment, the processing precision is high, and the surface smoothness is good.

Description

technical field [0001] The invention relates to the technical field of processing hollow wires, in particular to an eccentric hollow wire and a processing technology for the guide. Background technique [0002] Copper materials are widely used in industries such as electric power, communications, aerospace, shipbuilding, and power generation equipment. Common copper products have been saturated in the low-end product market, but the power generation industry such as Dongfang Electric, Shanghai Electric, Harbin Electric, etc. High-end copper products mainly rely on foreign imports. Among them, the silver-copper eccentric hollow wire is mainly used for the rotor coil of a high-power (above one million kilowatts) generator. The indicators are strict, and because of the eccentric asymmetry of the inner hole, the production and processing are extremely difficult. At present, this product is all imported from abroad. The price is very expensive. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/02H01B13/00H01B13/008
CPCH01B5/02H01B13/008H01B13/00H01B13/0016
Inventor 孙福学鲍龙君
Owner 孙福学
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