Experimental Research on Five-axis Coordinated Micromilling of Micro Integral Impeller

LIANG Zhiqiang; FANG Ya’nan; ZHOU Tianfeng; GAO Peng; ZHANG Suyan; LIU Zhibing; WANG Xibin

doi:10.16080/j.issn1671-833x.2017.15.045

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Experimental Research on Five-axis Coordinated Micromilling of Micro Integral Impeller

更新时间：2025-10-30

- Experimental Research on Five-axis Coordinated Micromilling of Micro Integral Impeller
- Aeronautical Manufacturing Technology Vol. 60, Issue 15, Pages: 45-49(2017)
- 作者机构：
  
  北京理工大学先进加工技术国防重点学科实验室,北京,100081
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2017.15.045
  CLC：
- Published：2017
- 稿件说明：
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梁志强，方亚楠，周天丰，高　鹏，张素燕，刘志兵，王西彬. 微小整体叶轮五轴联动微细铣削加工试验研究*[J]. 航空制造技术, 2017, 60(15): 45-49.

LIANG Zhiqiang, FANG Ya’nan, ZHOU Tianfeng, GAO Peng, ZHANG Suyan,LIU Zhibing, WANG Xibin. Experimental Research on Five-axis Coordinated Micromilling of Micro Integral Impeller. Aeronautical Manufacturing Technology, 2017, 60(15): 45-49.
梁志强，方亚楠，周天丰，高　鹏，张素燕，刘志兵，王西彬. 微小整体叶轮五轴联动微细铣削加工试验研究*[J]. 航空制造技术, 2017, 60(15): 45-49. DOI： 10.16080/j.issn1671-833x.2017.15.045.

LIANG Zhiqiang, FANG Ya’nan, ZHOU Tianfeng, GAO Peng, ZHANG Suyan,LIU Zhibing, WANG Xibin. Experimental Research on Five-axis Coordinated Micromilling of Micro Integral Impeller. Aeronautical Manufacturing Technology, 2017, 60(15): 45-49. DOI： 10.16080/j.issn1671-833x.2017.15.045.

摘要

微小整体叶轮作为微型发动机的重要组成部分，其加工质量直接影响微型发动机的使用性能。针对微小整体式复杂叶轮流道狭窄、叶片扭曲大和长厚比大等特点，开展了微小复杂扭曲整体式叶轮五轴联动微细铣削加工方法研究。针对微小叶轮加工过程极易发生变形、过切和碰撞干涉等问题，对微小叶轮的加工过程进行工艺规划，建立了微小叶轮流道加工刀具选择的约束方程，计算出叶轮加工刀具的最大理论直径。通过CAM 软件对叶轮进行切削仿真，验证了刀具选择和工艺规划的正确性。通过五轴联动微细铣削试验，得到了具有6 个直径10mm 的叶片、叶片最小厚度0.15mm、叶片最小相邻间距0.58mm 的7075 铝合金微小整体叶轮。

Abstract

As the key component of the micro engine

the machining quality of the micro integral impeller has a direct effect on the performance of the micro engine. In view of the micro integral impeller characteristics of narrow flow channel

large blade twist and long thick ratio of blade

a five axis micro milling method for machining micro complex and twisted integral impeller is studied. Aiming at the problems of deformation

over cutting and collision interference in the process of micro impeller machining

the machining process of micro impeller is planned. The constraint equation of the tool diameter selection for channel cutting is established

and the maximum theoretical tool diameter is calculated. The cutting process of the impeller is simulated by CAM software

thus

the correctness of tool selection and process planning is verified. Through five-axis micro milling experiment

a high quality 7075 aluminum alloy impeller with diameter of 10mm

6 blades

0.15mm minimum blade thickness

and 0.58mm minimum distance between the adjacent blades is obtained.

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