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Method for accessorily obtaining minitype cutter with high-accuracy cutting edge by utilizing film coating technology

A micro-tool, high-precision technology, applied in the direction of nanotechnology, nanotechnology, nanostructure manufacturing, etc., to achieve the effect of strong repeatability and high precision

Inactive Publication Date: 2011-06-22
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem of the present invention is: to overcome the shortcomings of nano-scale cutting edge radius and complex cutting tool contour processing which are difficult to realize by traditional processing methods, and propose a new method for forming and processing cutting tools based on coating technology to obtain sharp cutting edge cutting tools

Method used

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  • Method for accessorily obtaining minitype cutter with high-accuracy cutting edge by utilizing film coating technology
  • Method for accessorily obtaining minitype cutter with high-accuracy cutting edge by utilizing film coating technology
  • Method for accessorily obtaining minitype cutter with high-accuracy cutting edge by utilizing film coating technology

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Embodiment Construction

[0019] The new method for reducing the cutting edge radius based on the coating technology of the present invention can be used for processing various micro tools including turning, milling, drilling, grinding, planing and the like. The material of micro-tools can be typical tool materials such as single crystal diamond, polycrystalline diamond, cubic boron nitride, cemented carbide and high-speed steel. The method mainly includes the following steps: firstly, in a focused ion beam vacuum sample chamber, rough machining is performed on a micro-tool blank by using a high-energy and large-current focused ion beam to process a rake face of the tool. The focused ion beam can be typical application ion beams such as gallium ions, beryllium ions, and argon ion beams; secondly, the rake face is refined and polished by focused ion beam milling to reduce the roughness of the rake face and achieve smooth rake face preparation; Then the processed micro-cutter is put into the coating equi...

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Abstract

The invention relates to a method for accessorily obtaining a minitype cutter with a high-accuracy cutting edge by utilizing a film coating technology, belonging to the technical field of machining and manufacture of complex micro-nano structures and devices. The method comprises the following steps of: carrying out rough machining on a minitype cutter blank by utilizing focused ion beams in a focused ion beam vacuum sample chamber to obtain the rake face of the minitype cutter; finishing and polishing the rake face by utilizing a focused ion beam milling method; carrying out film coating treatment on the machined rake face of the minitype cutter; placing the minitype cutter with a film coated into the focused ion beam vacuum sample chamber, and machining the flank face and the lateral face of the minitype cutter according to the requirements for shape and dimension of the cutting edge by utilizing focused ion beam milling. The method has high accuracy and repeatability and is suitable for multiple materials and different cutter shapes.

Description

technical field [0001] The invention relates to a method for reducing the edge radius of a micro-tool with the assistance of coating technology. The micro-tool processed by the method can be used for the processing and manufacture of complex micro-nano structures and devices in the field of ultra-precision machining and micro-machining, and can also be used for Mechanism research application of nanoscale cutting. Background technique [0002] For the ultra-precision cutting process, in order to obtain the high precision of the shape and size of the parts and the ultra-smooth processing surface, in addition to ultra-precision machine tools, high-resolution testing instruments and ultra-stable processing environment conditions, it is also necessary to have High-precision micro tools for cutting. In the process of ultra-precision cutting, the stress state in the front area of ​​the tool edge is very complicated. Stress concentration causes dislocation concentration in the meta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00B82Y40/00
Inventor 房丰洲徐宗伟兀伟
Owner TIANJIN UNIV
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