Machining method for quickly forming nanometer twin-crystal diamond micro cutter

A technology of nano-twins and processing methods, which is applied in the direction of metal processing equipment, manufacturing tools, TV system components, etc., can solve the problems of low efficiency of nano-twinned diamonds, affecting the processing quality of tools, etc., to improve material removal rate, Good surface quality of the cutting edge and the effect of improving efficiency

Inactive Publication Date: 2019-11-22
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional mechanical grinding process of ntD micro-tools is prone to pits due to grain damage, which seriously affects the processing quality of the tool; at the same time, the efficiency of traditional mechanical processing of superhard material nano-twinned diamond is too low. In order to realize the industrial application of nano-twinned diamond At present, it is urgent to explore a manufacturing and processing technology and efficient molding process of nano-twinned diamond micro-tools.

Method used

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  • Machining method for quickly forming nanometer twin-crystal diamond micro cutter
  • Machining method for quickly forming nanometer twin-crystal diamond micro cutter
  • Machining method for quickly forming nanometer twin-crystal diamond micro cutter

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Embodiment Construction

[0015] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0016] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention relates to a machining method for quickly forming a nanometer twin-crystal diamond micro cutter. The machining method comprises the following steps: brazing an ntD block material onto ahard alloy cutter handle, then placing the welded ntD cutter handle on an experimental machining platform with five degrees of freedom, then using femtosecond laser with a galvanometer to carry out parallel rough machining on a rear cutter surface and a front cutter surface of the ntD block material on the experimental machining platform step by step, and then using femtosecond laser without a galvanometer to carry out parallel finish machining on the rear cutter surface and the front cutter surface of the ntD micro cutter formed after machining in the above step according to the sequential order until the nanometer twin-crystal diamond micro cutter meeting the requirement is obtained. The machining method is high in machining quality and high in efficiency.

Description

technical field [0001] The invention belongs to the processing field of nano-twinned diamond micro-cutters, in particular to a processing method for rapid prototyping of nano-twinned diamond micro-cutters. Background technique [0002] Nanotwinned Diamond (ntD) is a newly synthesized superhard material in recent years, with a Vickers hardness of 220GPa, which is nearly twice the hardness of single crystal diamond (Single Crystal Diamond, SCD). Nano-twinned diamond has the characteristics of anisotropy and no cleavage, and has the advantages of excellent thermal conductivity and good wear resistance in terms of physical properties. Combining the above advantages, the emerging superhard material of nano-twinned diamond will replace the industrial status of single crystal diamond and polycrystalline diamond in the application of ultra-precision machining and aerospace. The traditional mechanical grinding process of ntD micro-tools is prone to pits due to grain damage, which se...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/402B23K26/60B23K26/70
CPCB23K26/38B23K26/402B23K26/60B23K26/70H04N25/40H04N25/79H04N25/75H04N25/76
Inventor 陈俊云张圣康李召阳
Owner YANSHAN UNIV
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