Method for processing alnico magnetic sheet

A processing method and aluminum-nickel-cobalt technology, applied in the field of mechanical processing, can solve problems such as failure to meet product technical requirements, and achieve the effect of reducing production costs and ensuring product quality

Inactive Publication Date: 2009-10-07
江苏熙友磁电科技有限公司
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Problems solved by technology

General processing technology and processing equipment

Method used

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  • Method for processing alnico magnetic sheet
  • Method for processing alnico magnetic sheet
  • Method for processing alnico magnetic sheet

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Embodiment Construction

[0034] Instruments and equipment:

[0035] 1. Tesla meter: LZ-610H, Hunan Lianzhong Technology Co., Ltd.

[0036] 2. High-precision surface grinder: KGS-306AH, Ningbo Dewei Machinery Co., Ltd.

[0037] 3. Digital measuring projector: CPJ-3015, Wanhao Precision Instrument Co., Ltd.

[0038] 4. Wire cutter (with processing track display): DK7720, Shanghai Renyi Machine Tool Co., Ltd.

[0039] DK77-30, Zhejiang Dewei Machine Tool Factory.

[0040] 5. Multimeter: TM-5210, Japan Dele.

[0041] Specific processing method:

[0042] To Figure 1-3 The shown AlNiCo magnetic sheet is taken as an example, and the size requirements are as follows: length * width * thickness = 0.135 * 0.128 * 0.0320 inches, and the top angle is 120°. The appearance of this kind of product is very small, the tolerance is 0.00012 to 0.00019 inches, and the angle tolerance is within 10 minutes.

[0043] The processing steps are as Figure 5 Shown:

[0044] 1. Measure the magnetization ...

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Abstract

The invention discloses a method for processing an alnico magnetic sheet, which comprises the following steps of: firstly measuring the magnetization direction of an alnico magnet hair dry compact and positioning an S-N center direction; using a high-precision surface grinder for grinding a product meeting the requirement of thickness tolerance and then implementing cutting by wire cutting machine; using an angle explorator for grinding an angle meeting the requirement of tolerance by the high-precision surface grinder; using a mu-meter to pull the product parallelism for controlling the consistency of the products; using a projector to measure the dimension of the product workpiece; removing the burrs and adding walnut powder to a centrifuge for implementing surface processing to the products; adopting multi-chip products for implementing uniform processing and finally conducting uniform cutting and also finishing the last dimension processing on a mold; and using a degausser to eliminate the residual magnetism of the products. The method for processing the alnico magnetic sheet adopts the conventional processing equipments such as surface grinder, wire cutting machine, digital measurement projector, mu-meter, Tesla meter and the like, and also adopts a self-made angle mold and a self-made processing and clamping mold, thereby ensuring the product quality and simultaneously lowering the production cost.

Description

Technical field [0001] The invention belongs to the technical field of mechanical processing, and specifically relates to a processing method of an alnico magnetic sheet, in particular to a processing method of a small angled alnico magnetic sheet. Background technique [0002] AlNiCo permanent magnets are an alloy composed of metal aluminum, nickel, cobalt, iron and other trace metal elements. Among permanent magnet materials, AlNiCo permanent magnets have the lowest reversible temperature coefficient, and the working temperature can be as high as 600 degrees Celsius. . At present, AlNiCo magnetic products are widely used due to their performance and characteristics. Many high-tech fields such as computers and automated industrial equipment are very promising. And the angled aluminum nickel cobalt small products are more widely used in the military, aviation, and marine industries. This type of product is characterized by small size and high precision, and the chemical and physi...

Claims

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Application Information

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IPC IPC(8): H01F41/02H01F1/047B24B7/00
Inventor 丁力中
Owner 江苏熙友磁电科技有限公司
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