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A kind of sleeve cutting processing device of boron carbide material workpiece

A technology of boron carbide and workpieces, which is applied in the field of boron carbide material sleeve cutting processing devices, can solve the problems of cracks and slag, and low machining efficiency of blank margins, so as to increase the top tight area, efficiently remove margins, and improve adaptive effect

Active Publication Date: 2018-08-28
XIAN AEROSPACE PRECISION ELECTROMECHANICAL INST
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem in the background technology about the low processing efficiency of the blank allowance of boron carbide air bearing parts; the present invention designs a processed boron carbide material part blank with high precision in size, shape and position and surface roughness, and can Effectively control the thickness of the electro-corrosion layer, and solve the problem of boron carbide material workpieces that are prone to cracks and slag when processing boron carbide materials.

Method used

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  • A kind of sleeve cutting processing device of boron carbide material workpiece
  • A kind of sleeve cutting processing device of boron carbide material workpiece
  • A kind of sleeve cutting processing device of boron carbide material workpiece

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Embodiment Construction

[0029] In order to solve the problem of low processing efficiency of the blank allowance of boron carbide air bearing parts, the invention proposes a sleeve cutting processing device for workpieces made of boron carbide.

[0030] Such as figure 1 As shown, the device includes an EDM machine tool, an electrode mounting body 1 installed on the spindle of the EDM machine tool, and a workpiece mounting body 2 installed on the platform of the EDM machine tool;

[0031] Such as figure 1 and figure 2 As shown, wherein, the electrode mounting body 1 includes a positioning shaft 3, a positioning disc 4 and an electrode head 5; one end of the positioning shaft 3 is connected to the main shaft of the EDM machine tool, and the other end passes through the center of the positioning disc 4 and extends for a section; the positioning disc 4 is provided with an electrode head installation hole 6; the electrode head 5 includes a handle 7 fixedly installed in the electrode head installation h...

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Abstract

The invention belongs to the technical field of machining, and particularly relates to a nested cutting machining device for a boron carbide material workpiece. The nested cutting machining device comprises an electric spark machine tool, an electrode mounting body which is mounted on a spindle of the electric spark machine tool, and a workpiece mounting body which is mounted on a platform of the electric spark machine tool. Boron carbide material part workblank which is machined through the nested cutting machining device is high in precision of dimension, form and position and high in surface roughness precision, the thickness of an electric corrosion layer can be effectively controlled, and the problem that cracks and collapsing slag are likely to be generated when boron carbide materials are machined is solved.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a boron carbide material sleeve cutting processing device. Background technique [0002] The boron carbide air bearing parts have a hollow cylindrical structure, and the material is B4C boron carbide ceramics; the blank of the part is formed by high-temperature pressing by powder metallurgy. Due to the defects such as pores and looseness in the surface layer, in order to avoid the influence of these defects on the performance of the part, an increase The method of the solid size of the blank, that is, increasing the size of the outer circle and reducing the size of the inner hole, and then removing the defective surface part through subsequent processing, but this results in a large machining allowance that needs to be removed from the blank to the final size of the part . [0003] Due to the ultra-high hardness of boron carbide ceramics (only lower tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H1/00B23H11/00B23H1/04B28D1/22B28D7/04B28D1/32
CPCB23H1/00B23H1/04B23H11/003B28D1/22B28D1/327B28D7/04
Inventor 邵荔宁翁长志周景春刘彪秋衡曹桂元郭伟
Owner XIAN AEROSPACE PRECISION ELECTROMECHANICAL INST
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