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Method and device for femtosecond laser preparation of diamond tool

A diamond cutting tool and femtosecond laser technology, applied in laser welding equipment, metal processing equipment, welding equipment, etc., can solve the problems of difficult removal of diamond materials, low processing efficiency, poor grinding quality, etc., and achieve simple and reliable structure, The effect of low device cost, high precision and high quality preparation

Pending Publication Date: 2019-06-25
夏浥
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Problems solved by technology

[0003] The purpose of the present invention is to propose a high-efficiency, high-quality laser preparation process and a special device for the problems of difficult diamond material removal, low processing efficiency, and poor grinding quality in the diamond tool preparation process, so as to improve the diamond tool. Preparation efficiency and quality

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  • Method and device for femtosecond laser preparation of diamond tool
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  • Method and device for femtosecond laser preparation of diamond tool

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Embodiment Construction

[0024] The invention relates to a femtosecond laser preparation method and device for diamond tools, which are suitable for high-efficiency, high-precision preparation, shaping and polishing of PCD (polycrystalline diamond), single crystal diamond and CVD diamond tools.

[0025] Adopt the device of the present invention to prepare the main steps of diamond cutter as follows:

[0026] Step 1, clamping the diamond tool parts on the tool clamping device 6, the tool head is exposed at least 1 cm long, so that the part to be processed can be focused by the laser without shielding;

[0027] Step 2, adjust the positions of the X-direction linear motor 2 and the Y-direction linear motor 3 through the numerical control program, move the cutter to the laser vibrating mirror 9 and the coaxial or off-axis CCD microscope 11, and use the real-time measurement function of the CCD microscope 11 to move the cutter Adjust the head to the exact position to be processed;

[0028] Step 3, when pr...

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Abstract

The invention relates to a method and device for femtosecond laser preparation of a diamond tool, and belongs to the field of laser processing and machining. According to the method, a numerical control platform designed specially is used for mounting and positioning the diamond tool, and the angle and height position of a femtosecond laser galvanometer can be adjusted simultaneously, so that cutting and polishing requirements of the diamond tool are met. In the process, the machining position of the tool can be adjusted through a precision multi-axis positioning system on a machine tool, so that the machining precision is guaranteed. The method and device are applicable to laser processing of arc-blade diamond tool, laser cutting and polishing machining of an arc blade of a diamond tool bit can be realized through deflection of the laser galvanometer and constant-speed rotation of a tool base, and a sharp and complete tool cutting edge can be obtained. The method and device are applicable to cutting and polishing preparation of traditional diamond turning and milling tools and diamond micro milling and turning tools simultaneously. The special device comprises three parts including a tool clamping device, a multi-axis laser processing system and a femtosecond laser.

Description

Technical field [0001] The invention relates to a method and device for preparing a diamond tool femtosecond laser, and belongs to the field of laser processing and mechanical processing. technical background [0002] Diamond tools have a wide range of uses in industry, among which diamond tool milling and turning technology has important applications in the fields of military industry, electronic semiconductors and optical components. The surface finish of the workpiece processed by sharp diamond tools is high, the quality is reliable, and the service life of the tool is much longer than that of traditional carbide tools. Among all kinds of cutting tools, cemented carbide and coated tools are cheap and use a lot because they are easy to prepare. However, due to the difficult machining characteristics of diamond materials, the processing of single crystal diamond and CVD diamond tools is relatively more difficult. Difficult, currently still rely on expensive diamond grindin...

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Application Information

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IPC IPC(8): B23K26/38B23K26/08B23K26/064
Inventor 夏浥
Owner 夏浥
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