Method for determining optimal processing direction of single crystal material

Abstract

The invention discloses a method for determining an optimal processing direction of a single crystal material. The method comprises the following steps: manufacturing a single crystal material sample,determining all potential optimal processing directions of the single crystal material sample, and processing the single crystal material along each potential optimal processing direction; obtainingevaluation characteristics used for evaluating the potential optimal machining direction in each time of machining, wherein the evaluation characteristics comprise the machining force in the machiningprocess and surface topography characteristics and the sub-surface damage layer depth after machining is completed, and the machining force comprises a tangential force and a normal force; selectingthe optimal machining direction according to the evaluation characteristics so as to improve machining efficiency and machining quality.

Description

technical field [0001] The invention relates to the technical field of processing single crystal materials, in particular to a method for determining the optimal processing direction of single crystal materials. Background technique [0002] Single crystal materials are widely used due to their excellent properties, but due to their anisotropic properties, when the same process parameters are used for grinding, cutting and wire cutting in different directions, the surface quality, processing efficiency, and There are also significant differences in machining forces, or tool wear. [0003] The patent with the application number CN201380047765.4 discloses a Cu-Al-Mn alloy material exhibiting stable superelasticity and its manufacturing method. After manufacturing, it is required that more than 70% of the crystal grains <001> have a crystal orientation deviation angle of 0° ~50°, but it does not propose how to determine the optimal processing direction. The patent appli...

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Problems solved by technology

[0002] Single crystal materials are widely used due to their excellent properties, but due to their anisotropic properties, when the same process parameters are used for grinding, cutting and wire cutting in different directions, the surface quality, processing efficiency, and There are also significant differences in machining forces, or tool wear

[0003] The patent with the application number CN201380047765.4 discloses a Cu-Al-Mn alloy material exhibiting stable superelasticity and its manufacturing method. After manufacturing, it is required that more than 70% of the crystal grains have a crystal orientation deviation angle of 0° ~50°, but it does not propose how to determine the best processing direction

The patent application number is CN201010598282.1 discloses a single crystal material cutting method based on cutting force fluctuation characteristics and a fine-tuning tool holder, which can realize the adjustment of the cutting direction during the single crystal material cutting process, but does not propose which cutting direction is optimal processing direction

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