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异形内螺旋线电解加工间隙流场仿真及工艺试验研究 预览 被引量:1

Gap Flow Field Simulation and Experiment of Electrochemical Machining Special-shaped Inner Spiral Tube
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摘要 针对大口径深螺旋线电解加工的拉式逆流阴极结构存在流场发散、易短路、成形精度差等问题,提出了一种工作齿可换、流场收敛的拉式顺流阴极结构。建立间隙流场仿真模型,分别对拉式逆流阴极和拉式顺流阴极的间隙流场进行仿真分析,并对两种结构的阴极进行应力和位移变化分析。仿真结果表明:在一定的加工参数条件下,拉式顺流阴极结构在间隙电解液速度、压力、流线等方面均比拉式逆流阴极结构好,且能实现2000mm合格样件的稳定可靠加工。 In order to solve the problems such as flow field divergence,short circuit and poor forming precision of pull reverse flow cathode structure in electrochemical machining large diameter deep special-shaped inner spiral tube,a pull downstream cathode structure with the merit of variable cathode working teeth and flow field convergent is proposed. A simulation model of the gap flow field was established,analyzing the gap flow field of pull reverse flow cathode structure and pull downstream cathode structure respectively,in order to testify the pressure and displacement of the two cathode structures. The simulation results show that the effect of gap electrolyte speed,pressure and flow line in pull downstream cathode structure is better than pull reverse flow cathode structure,and a stable and reliable processing of 2000 mm length samples can be achieved under a certain processing parameter.
作者 唐霖 冯鑫 翟凯鸽 冀蕴 张静静 TANG Lin;FENG Xin;ZHAI Kaige;JI Yun;ZHANG Jingjing(School of Mechatronics Engineering,Xi′an Technological University,Xi′an 710021,China)
出处 《电加工与模具》 2019年第1期28-33,共6页 Electromachining & Mould
基金 陕西省教育厅服务地方专项产业化计划项目(17JF010) 陕西省科技统筹创新工程重点实验室项目(2014SZS20-Z01,2014SZS20-P05).
关键词 异形内螺旋线 电解加工 拉式顺流阴极 间隙流场 工艺试验 special-shaped inner spiral tube ECM pull downstream cathode gap flow field technological experiment
作者简介 第一作者:简介:唐霖,男,1979年生,副教授。
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