Composite processing method based on laser discretization, high-efficiency milling and laser milling

Abstract

The invention discloses a compound processing method based on laser discretization, high-efficiency milling and laser milling. The method includes: a laser discretization process, forming a prefabricated micro-texture on the surface of a workpiece by laser processing, so as to discretize the surface of the workpiece; The high-efficiency milling and grinding process uses milling equipment to rough-machine the workpiece after the laser discretization process; the laser milling process uses laser to perform fine milling on the workpiece after the high-efficiency milling and grinding process. The invention combines laser discretization, high-efficiency milling and laser milling technology, can improve the machinability of difficult-to-machine materials, realize high-efficiency and high-removal rate processing, improve the surface roughness of processing, and can process in different regions according to the characteristics of the workpiece; through multiple The combined process of technology greatly improves the processing efficiency, processing accuracy and processing quality.

Description

technical field [0001] The invention relates to the technical field of composite processing of materials, in particular to a composite processing method based on laser discretization, high-efficiency milling and laser milling. Background technique [0002] Difficult-to-machine hard and brittle materials have broad application prospects in aerospace, energy, transportation and other fields, and are key functional materials in the aerospace field, such as ceramic matrix composites, silicon carbide ceramics, etc. The application of this type of material in the field of aero-engines has attracted more and more attention. Under the government-led IHPTET, UEET, ESPR, AMG and other aero-engine technology improvement plans, developed countries such as the United States and Japan have carried out relevant research on aero-engine ceramic matrix composite turbine components. Research and development work, and achieved breakthrough results. Research on ceramic matrix composites for aer...

AI Technical Summary

Problems solved by technology

At present, it is difficult to guarantee the machining geometric accuracy and surface integrity of hard and brittle materials with functional structural features, the material is easily damaged, and the processing efficiency is low.

There are the following problems in this field: high material hardness, high brittleness, severe tool wear, burrs, easy to pull out fibers, poor processing consistency, and difficult to improve efficiency during conventional mechanical / ultrasonic processing; The efficiency is difficult to guarantee, and the realization of high material removal rate processing is often at the expense of the loss of surface quality

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