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Non-graphitization complex profile PCD forming tool cutting edge laser processing method

A laser processing method and technology for forming tools, which are applied in laser welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of insufficient processing efficiency and precision of PCD forming tools, and shorten the production cycle and reduce costs. , Improve the effect of machining accuracy

Inactive Publication Date: 2018-06-29
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, several processing methods commonly used at present are not enough to meet the high efficiency and precision requirements of PCD forming tools with complex contours. Therefore, a new composite laser processing method is urgently needed for high-precision and efficient processing of PCD forming tools with complex contours.

Method used

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  • Non-graphitization complex profile PCD forming tool cutting edge laser processing method
  • Non-graphitization complex profile PCD forming tool cutting edge laser processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A compound laser processing method for processing complex contour PCD forming tool edge, comprising the following specific steps:

[0027] S1. Design the contour shape of the PCD blade according to the contour of the processing surface, and reserve enough machining allowance;

[0028] S2. Cut the PCD composite sheet into required PCD blades with a long pulse laser;

[0029] S3. Vacuum welding the PCD blade to the cemented carbide substrate to obtain the required PCD cutter;

[0030] S4. The welded PCD tool is clamped on the laser machine tool to provide an integrated laser processing system. The integrated laser is equipped with a long-pulse laser laser probe and a short-pulse laser laser probe at the same time, and the long-pulse laser laser probe is used for rough machining of the PCD tool , and reserve enough finishing allowance for subsequent finishing, and inject auxiliary gas at the same time to reduce the processing surface temperature and blow away the slag; am...

Embodiment 2

[0039] A compound laser processing method for processing complex contour PCD forming tool edge, comprising the following specific steps:

[0040] S1. Design the contour shape of the PCD blade according to the contour of the processing surface, and reserve enough machining allowance;

[0041]S2. Cut the PCD composite sheet into required PCD blades with a long pulse laser;

[0042] S3. Vacuum welding the PCD blade to the cemented carbide substrate to obtain the required PCD cutter;

[0043] S4. The welded PCD tool is clamped on the laser machine tool, and an integrated laser is provided. The integrated laser is equipped with a long-pulse laser laser probe and a short-pulse laser laser probe at the same time. The PCD tool is rough-machined by the long-pulse laser laser probe, and Sufficient finishing allowance is reserved for subsequent finishing, and auxiliary gas is injected at the same time to reduce the processing surface temperature and blow away the slag; among them, the l...

Embodiment 3

[0052] A compound laser processing method for processing complex contour PCD forming tool edge, comprising the following specific steps:

[0053] S1. Design the contour shape of the PCD blade according to the contour of the processing surface, and reserve enough machining allowance;

[0054] S2. Cut the PCD composite sheet into required PCD blades with a long pulse laser;

[0055] S3. Vacuum welding the PCD blade to the cemented carbide substrate to obtain the required PCD cutter;

[0056] S4. The welded PCD tool is clamped on the laser machine tool, and an integrated laser is provided. The integrated laser is equipped with a long-pulse laser laser probe and a short-pulse laser laser probe at the same time. The PCD tool is rough-machined by the long-pulse laser laser probe, and Reserve sufficient finishing allowance for subsequent finishing, and inject auxiliary gas at the same time to reduce the processing surface temperature and blow away the slag; among them, the long puls...

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Abstract

The invention provides a non-graphitization complex profile PCD forming tool cutting edge laser processing method. The method comprises following specific steps that S1, according to the machining face profile, a PCD blade profile shape is designed, and machining allowance is reserved; S2, long pulse lasers are used for cutting a PCD composite piece into a needed PCD blade; S3, the PCD blade is subject to vacuum welding to a hard alloy base body, and a needed PCD tool is obtained; S4, the welded PCD tool is clamped on a laser machine tool; S5, a short pulse laser device in an integrated optical fiber laser device is used for refining a roughly-machined PCD tool, a graphite layer after rough machining is removed, and the machining precision is further improved. The machining efficiency andthe machining precision of a PCD forming tool cutting edge can be improved, the machining period is shortened, the front tool face oxidation effect of the PCD tool is reduced, and the non-graphitization aim is achieved.

Description

technical field [0001] The invention belongs to the technical field of PCD forming tool processing, and in particular relates to a laser processing method for a PCD forming tool edge without graphitization and complex contours. Background technique [0002] Polycrystalline diamond (PCD) tool is a tool that welds PCD composite sheet to cemented carbide substrate. It has good bending strength and other properties of cemented carbide; it is suitable for high-precision, high-gloss and high-efficiency processing of non-ferrous metals such as titanium alloys, aluminum alloys, glass, carbon fiber boards and wood, and non-metallic materials that are difficult to process, especially in the field of mechanical processing. There are important application prospects in the field of precision machining. [0003] At present, the commonly used processing methods at home and abroad include grinding, electric discharge machining, ultrasonic machining and laser processing; grinding is curre...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/14B23K26/142B23K28/02
CPCB23K26/38B23K26/14B23K26/142B23K28/02
Inventor 王成勇胡小月王宏建郑李娟
Owner GUANGDONG UNIV OF TECH
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