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Aircraft instrument magnet steel

A technology for aircraft instrumentation and magnetic steel, applied in the direction of magnetic materials, magnetic objects, permanent magnets, etc., can solve the problems affecting product performance, magnetic performance gap, inconsistent magnetization direction and internal columnar crystal direction, etc., to improve product performance. Effect

Inactive Publication Date: 2016-01-06
CHONGQING DACHENG GRACE NC TECH CO LTD
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0002] In the prior art, the magnet for aircraft instruments is a whole cylindrical structure, and the magnetization direction is along a certain direction of the diameter. In the actual production process, the magnetization orientation of the heat treatment process will cause the actual magnetization direction to be inconsistent with the internal columnar crystal direction, which will eventually lead to a certain gap between the actual magnetic properties and the theoretical magnetic properties, thus affecting product performance.

Method used

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  • Aircraft instrument magnet steel

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Embodiment Construction

[0010] figure 1 It is an embodiment of the present invention. The aircraft instrument magnetic steel provided in this embodiment includes an AlNiCo magnetic steel body 2 and a lining iron 1. The cross section of the AlNiCo magnetic steel body 2 is in the shape of a ring runway, and the number of the lining iron 1 is 1. 4 pieces, and are symmetrically pasted on the two side planes of the AlNiCo magnet steel body 2 to form a cylindrical structure.

[0011] Since the cross-section of the AlNiCo magnet body 2 is in the shape of an annular racetrack, the direction of the columnar crystals is parallel to the two straight sides of the cross-section, and can be positioned by the straight sides during the magnetization orientation process of heat treatment, so as to achieve the magnetization direction and the columnar crystallographic direction. Completely coincident to achieve maximum magnetization effect and improve product performance.

[0012] As a preference of this embodiment, e...

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Abstract

The invention provides aircraft instrument magnet steel which comprises an al-ni-co magnet steel body and two iron liners, the cross section of the al-ni-co magnet steel body is in the shape of an annular track, and the two iron liners are symmetrically stuck to the two side planes of the al-ni-co magnet steel body to form a cylindrical structure. According to the aircraft instrument magnet steel, by means of the structure, the direction of columnar crystals in the magnet steel is consistent with the magnetization direction, and therefore the purpose of improving the product performance is achieved.

Description

technical field [0001] The invention relates to the technical field of AlNiCo permanent magnets, and more particularly to an aircraft instrument magnetic steel. Background technique [0002] In the prior art, the aircraft instrument magnetic steel is an integral cylindrical structure, the magnetization direction is along a certain direction of the diameter, and the theoretical direction of the columnar crystal crystallization inside the product is consistent with the magnetization direction, but because the product outer diameter is circular, In the actual production process, the magnetization orientation of the heat treatment process will cause the actual magnetization direction to be inconsistent with the internal columnar crystal direction, which will eventually lead to a certain gap between the actual magnetic properties and the theoretical magnetic properties, thus affecting product performance. [0003] Therefore, how to provide an aircraft instrument magnetic steel in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F7/02H01F1/147H01F41/02
Inventor 许林
Owner CHONGQING DACHENG GRACE NC TECH CO LTD
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