Study on Abrasive Flow Machining of Additive Manufacturing Fuel Nozzle Features

DANG Jianing; LEI Liming; SHI Lei; GUO Longzhao; Lü Qian; LIU Weiwei

doi:10.16080/j.issn1671–833x.2019.07.079

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Study on Abrasive Flow Machining of Additive Manufacturing Fuel Nozzle Features

更新时间：2025-10-30

- Study on Abrasive Flow Machining of Additive Manufacturing Fuel Nozzle Features
- Aeronautical Manufacturing Technology Vol. 62, Issue 7, Pages: 79-83(2019)
- 作者机构：
  
  1. 西北工业大学机电学院,西安,710072
  2. 中国航发上海商用航空发动机制造有限责任公司,上海,200241
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671–833x.2019.07.079
  CLC：
- Published：2019
- 稿件说明：
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党稼宁，雷力明，石磊，郭龙钊，吕谦，刘维伟. 增材制造燃油喷嘴特征件磨粒流抛光研究[J]. 航空制造技术, 2019, 62(7): 79-83.

DANG Jianing, LEI Liming, SHI Lei, GUO Longzhao, Lü Qian, LIU Weiwei. Study on Abrasive Flow Machining of Additive Manufacturing Fuel Nozzle Features. Aeronautical Manufacturing Technology, 2019, 62(7): 79-83.
党稼宁，雷力明，石磊，郭龙钊，吕谦，刘维伟. 增材制造燃油喷嘴特征件磨粒流抛光研究[J]. 航空制造技术, 2019, 62(7): 79-83. DOI： 10.16080/j.issn1671–833x.2019.07.079.

DANG Jianing, LEI Liming, SHI Lei, GUO Longzhao, Lü Qian, LIU Weiwei. Study on Abrasive Flow Machining of Additive Manufacturing Fuel Nozzle Features. Aeronautical Manufacturing Technology, 2019, 62(7): 79-83. DOI： 10.16080/j.issn1671–833x.2019.07.079.

摘要

燃油喷嘴的增材制造在缩短制造周期、降低制造成本以及提升合格率方面具有明显优势

但是喷嘴内流道表面的光整处理成为打印工艺亟需突破的关键技术难题。对增材制造燃油喷嘴内流道特征件进行磨粒流四因素抛光试验，结果表明在本文的试验条件下，磨粒流抛光可有效去除表面黏粉、球化现象，改善表面台阶效应；通过优化计算获得了磨粒流抛光的最优工艺参数，经试验验证，喷嘴内流道表面粗糙度R

由9.10μm 降至2.70μm。

Abstract

The fuel nozzle manufactured by additive manufacturing has significant advantages in shrinking production cycle

lowing cost and boosting qualified rate. However

polishing technology of additive manufacturing fuel nozzle through abrasive flow has become the vital technology that needs to be worked out promptly for additive manufacturing. This research develops a four-factor polishing experiment of abrasive flow for test pieces acquired the characteristics of internal flow path of additive manufacturing fuel nozzle. The result shows that powder adhered to surface

spheroidization effect and step-effect can be eliminated effectively and efficiently by abrasive flow polishing. The optimal process parameters of abrasive flow polishing were obtained by optimization calculation and the surface roughness R

of the flow channel in the nozzle was reduced from 9.10μm to 2.70μm thro

ugh the experiment.

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