离心式三维叶轮粗加工方法的对比实验研究

IF 2.1 4区 工程技术
Lei Dong, Minyang Chen
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引用次数: 0

摘要

本研究评估了采用五轴侧面铣削、线性轴联动高速铣削和固定轴切入式铣削对离心式三维叶轮进行粗加工的加工效率和成本。此外,还进行了尼龙材料切削试验,以验证离心三维叶轮采用的定轴切入式铣削刀具路径规划方法的几何精度。同时,通过正交切削试验,建立了切入铣削中切削力估算的经验模型。这确保了后续固定轴切入式铣削试验的顺利进行。针对窄而深的叶轮入口进行了切削参数优化和刀具强度验证。在此基础上,采用上述三种方法对三个 FV520B 叶轮通道进行了切削试验。结果表明,定轴切入式铣削在加工效率和成本方面具有相对较大的优势。此外,使用大型铣刀进行定轴切入式铣削时,优势更为明显。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A comparative experimental study on the rough machining methods of centrifugal three-dimensional impellers
In this study, the processing efficiency and cost of centrifugal 3-D impeller rough machining using five-axis flank milling, linear shaft linkage high-speed milling and fixed-axis plunge milling were assessed. Furthermore, the nylon material cutting test was carried out to verify the geometrical precision of the fixed-axis plunge milling toolpath planning method used for the centrifugal 3-D impeller. Meanwhile, an empirical model for estimating the cutting force in plunge milling was established via the orthogonal cutting test. This ensured the smooth operation of the subsequent fixed-axis plunge milling cutting test. Cutting parameter optimisation and tool strength verification were performed for the impeller inlet, which was narrow and deep. On this basis, cutting tests for three FV520B impeller passages were conducted using the above-mentioned three methods. The results revealed that fixed-axis plunge milling exhibited a relatively large advantage regarding processing efficiency and cost. Additionally, the advantages were more obvious when the fixed-axis plunge milling was performed with a large-sized cutter.
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来源期刊
Advances in Mechanical Engineering
Advances in Mechanical Engineering Engineering-Mechanical Engineering
自引率
4.80%
发文量
353
期刊介绍: Advances in Mechanical Engineering (AIME) is a JCR Ranked, peer-reviewed, open access journal which publishes a wide range of original research and review articles. The journal Editorial Board welcomes manuscripts in both fundamental and applied research areas, and encourages submissions which contribute novel and innovative insights to the field of mechanical engineering
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