Research on the Lateral Vibration of BTA Deep Hole Machining Boring Bars Caused by the Vortex of External Cutting Fluid


Research on the Lateral Vibration of BTA Deep Hole Machining Boring Bars Caused by the Vortex of External Cutting Fluid

Kun Li

Kun Li "Research on the Lateral Vibration of BTA Deep Hole Machining Boring Bars Caused by the Vortex of External Cutting Fluid" Published in International Journal of Trend in Research and Development (IJTRD), ISSN: 2394-9333, Volume-12 | Issue-3 , June 2025, URL: http://www.ijtrd.com/papers/IJTRD28726.pdf

Precision deep hole structures are widely used in the component structure design of fields such as aerospace and weaponry. In-depth research on the vibration phenomena of precision deep hole machining systems is of great significance for controlling the accuracy of workpieces. In order to improve the working performance of the precision BTA (Boring and Trepanning Association) deep hole machining system, this project mainly studies the dynamic characteristics of the boring bar in the system under the vortex working condition. The nonlinear theory is used to explore the nonlinear characteristics such as bifurcation and the maximum Lyapunov exponent of the boring bar system, revealing the dynamic behavior of the boring bar system under the influence of the dynamic cutting process and the internal and external cutting fluid flow, and finding out the influence of cutting parameters and process parameters on the evolution law of the system's dynamic characteristics. For different fluid working conditions of the external cutting fluid, the vibration effect of the boring bar under the fluid vortex of the external cutting fluid and the flow of the internal cutting fluid is studied. By independently introducing nonlinear oscillators, the influence laws of the disturbance of the internal and external cutting fluid parameters and process parameters and the chip content coefficient on the system's dynamic behavior under the above influences are analyzed.

BTA Deep Hole System; Nonlinear Vibration; External Cutting; Vortex; Vortex-Induced Vibration.


Volume-12 | Issue-3 , June 2025

2394-9333

IJTRD28726
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