A method and system for acquiring a material removal model in ultra-high pressure water jet machine

Abstract

According to the emdoiment, A method for acquiring a material removal model in ultra-high pressure water jet machine includes solving a kinetic equation of a single abrasive particle erosion motion toobtain a motion trajectory equation of that single abrasive particle; Integrating the motion trajectory equation to obtain a first expression of the material removal amount of a single abrasive particle in the cutting time; Obtaining a cutting stop condition of a single abrasive particle, and solving a first expression according to the cutting stop condition to obtain a second expression of a material removal amount of the single abrasive particle; According to the flow rate of abrasive particles and the second expression, the third expression of material removal rate in ultra-high pressure water jet machining is obtained. The third expression is the material removal model in ultra-high pressure water jet machining. Considering the mechanism of material removal, the model can predict themachining process more accurately, and can guide the optimization of high efficiency and precision machining process in practical machining, which has theoretical guidance and engineering applicationsignificance.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of ultra-high pressure water jet processing, and more specifically, to a method and system for acquiring a material removal model in ultra-high pressure water jet processing. Background technique [0002] High-performance materials such as high-temperature alloys and titanium alloys are widely used in aerospace, marine equipment and other fields due to their excellent properties such as high temperature resistance, fatigue resistance, corrosion resistance, and high strength. Such materials are difficult to process, and their structural parts usually require more than However, traditional cutting has many problems such as large cutting stress, serious tool wear, low processing efficiency, large energy consumption, and high processing cost, which seriously limit the application of high-performance materials in the field of advanced equipment. Ultra-high pressure water jet processing t...

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Problems solved by technology

[0004] However, due to the complexity of the ultra-high pressure water jet machining process and the large number of process parameters involved, the empirical model fails to consider the material removal mechanism, cannot effectively predict the machining process under different process conditions, and cannot reflect the impact of ultra-high pressure water jet machining. Therefore, it is difficult to guide the optimization of efficient precision machining process of structural parts in actual machining

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