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BTA Deep Hole Connector Design and Oil Film Pressure Study
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青年科学基金项目(52005456);山西省基础研究计划面上项目(202303021221109) ;山西省专利转化专项计划项目(202305006);中央引导地方科技发展专项(YDZJSX2022A032);XXXX特性研究项目(XX01)

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    Abstract:

    Aiming at the problem of insufficient rigidity of the tool system and unbalanced radial force during BTA machining process,a BTA deep hole connector was designed based on the fluid dynamic pressure lubrication principle.The connector included double-bridge strain gauges and tiltable tiles,which could increase the rigidity of the tool system by using the oil film support stiffness and offset the unbalanced radial force of synchronous detection by adjusting the oil film pressure in real time.The mathematical model of the tiltable tile was established,the oil film thickness equation was derived,and the oil film pressure calculation equation was further derived.The fluid simulation of the connector was carried out based on Fluent software,and the single factor experiment method was used to analyze the change law of the oil film pressure of tilting tile under different conditions.The results show that the oil film pressure can be adjusted by adjusting the parameters of workpiece speed,cutting fluid viscosity,tile tilt angle and tile wrap angle during BTA machining,so as to achieve the purpose of increasing the rigidity of the tool system and offsetting the unbalanced radial force.

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陈振亚,马卓强,李翔,苗鸿宾,杨尚进,李建. BTA深孔连接器设计及油膜压力研究[J].机床与液压英文版,2024,52(19):59-64.

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History
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  • Online: October 23,2024
  • Published: October 15,2024
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