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Mechanical drilling method of aluminium-nickel-cobalt magnetic material

A mechanical drilling, AlNiCo technology, applied in metal processing mechanical parts, maintenance and safety accessories, manufacturing tools, etc., can solve the problems of large eccentricity, troublesome processing, poor hole finish, etc., to achieve low cost, high speed Fast, good finish

Inactive Publication Date: 2007-05-02
王国强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing electric pulse and wire cutting methods have the disadvantages of troublesome processing, poor hole finish, large eccentricity and other shortcomings that do not meet the specified requirements.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] Choose a precise and special drilling machine tool and a hard alloy drill bit that conforms to the manufacturing process, install the finished drill bit on the static end of the machine tool, install the aluminum-nickel drill magnetic material to be processed on the rotating end of the machine tool, and connect the machine tool It is best to use anti-rust water to cool the cooling water device on the top, so as to prevent the temperature from being too high during processing, which will cause the Alnico magnets to burst. Start the machine tool, slowly push the end of the drill bit to the rotating end of the magnetic material to be processed, master the advancing speed of the drill bit, and prevent the bit from breaking due to excessive advancing speed. According to the length of the magnetic material, one end of the magnetic material is processed first. When the depth of the round hole reaches 1 / 4 to 3 / 4 deep, then the other end of the alnico magnetic material is process...

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Abstract

The invention discloses mechanical drilling method for alnico magnetic material. Set the prepared cylinder alnico magnetic material on machine with section center of one end aimed on drilling bit and another end fixed on machine; start machine, the machined surface approaches the bit; when the bit enters 1 / 4-3 / 4 of total length, stop the process; rotate the material for 180Deg and take similar process for another end till to get through the circular hole. The inner hole by this method has well smoothness and fineness; the machine tolerance and eccentricity come separated to + / -0.1mm and + / -0.05mm; with low cost, fit to large scale produce, and increase greatly the production benefit.

Description

technical field [0001] The invention relates to a machining technology. Background technique [0002] With the rapid development of magnetic materials in my country, the problem of mechanical drilling and finishing of cast AlNiCo magnetic materials has been plagued by the development of this industry. The existing electric pulse and wire cutting methods have the disadvantages of troublesome processing, poor hole finish, large eccentricity and other shortcomings that do not meet the specified requirements. Contents of the invention [0003] The object of the present invention is to provide a mechanical drilling method for processing alnico magnetic materials with small eccentricity and high inner hole finish. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: a mechanical drilling method of AlNiCo magnetic material, the finished cylindrical AlNiCo magnetic material is in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B35/00B23Q11/10
Inventor 王国强
Owner 王国强
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