预浸料厚坯超声切割工艺研究

宋清华; 李勇; 肖军; 张向阳; 李丽丽

doi:10.7527/S1000-6893.2013.0241

航空学报 >

2013 , Vol. 34 >Issue 6: 1445 - 1451

DOI: https://doi.org/10.7527/S1000-6893.2013.0241

材料工程与机械制造

预浸料厚坯超声切割工艺研究

宋清华 ,
李勇 ,
肖军 ,
张向阳 ,
李丽丽

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1. 南京航空航天大学材料科学与技术学院, 江苏南京 210016;
2. 中航工业哈尔滨飞机工业集团有限责任公司, 黑龙江哈尔滨 150066

宋清华男, 博士研究生。主要研究方向: 复合材料自动化装备技术。 Tel: 025-84892980 E-mail: sqinghua1987@163.com;李勇男, 博士, 教授, 博士生导师。主要研究方向: 先进复合材料自动化成形工艺及其装备, 先进复合材料三维增强成形及性能。 Tel: 025-84892980 E-mail: lyong@nuaa.edu.cn;肖军男, 硕士, 教授, 博士生导师。主要研究方向: 先进复合材料设计、制造及自动化装备技术。 Tel: 025-84892980-801 E-mail: j.xiao@nuaa.edu.cn

收稿日期: 2012-06-29

修回日期: 2012-09-10

网络出版日期: 2012-09-17

基金资助

"高档数控机床与基础制造装备"国家科技重大专项(2010ZX04016-013)

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Study on Ultrasonic Cutting Technology for Thick Prepreg Slabs

SONG Qinghua ,
LI Yong ,
XIAO Jun ,
ZHANG Xiangyang ,
LI lili

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1. College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. AVIC Harbin Aircraft Industry (Group) Co., Ltd., Harbin 150066, China

Received date: 2012-06-29

Revised date: 2012-09-10

Online published: 2012-09-17

Supported by

"High-end Numerical Control Machine and Basic Manufacture Equipment" National Science and Technology Major Project (2010ZX04016-013)

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摘要

预浸料厚坯超声切割技术,具有无刀具磨损、加工速度快、加工精度高、无粉尘污染等优势,切割质量优异,在国外已得到了广泛应用,而国内目前仍处于初期研究阶段。本文以航空航天应用为主的碳纤维预浸料厚坯为实验材料,研究了切割温度、切割速度以及切割能量等切割工艺参数对切割质量的影响。研究结果表明,对于一定厚度的预浸料厚坯,最优的切割工艺参数组合:切割温度为5℃,切割速度为1.0 m/min,切割能量为8级。该研究方法与研究成果为超声切割技术在预浸料切割中的应用奠定了基础。

关键词： 超声切割; 预浸料厚坯; 切割温度; 切割速度; 切割能量

本文引用格式

宋清华 , 李勇 , 肖军 , 张向阳 , 李丽丽 . 预浸料厚坯超声切割工艺研究[J]. 航空学报, 2013 , 34(6) : 1445 -1451 . DOI: 10.7527/S1000-6893.2013.0241

Abstract

Ultrasonic cutting for prepreg slabs, with no tool wear, fast processing speed, high precision, no dust pollution, and other advantages, has been widely applied abroad for its excellent cutting quality, while in China the technology is still at an early stage of application. This paper presents a preliminary study of the influence of cutting temperature, cutting speed and cutting energy in the ultrasonic cutting process on cutting quality using carbon fiber prepreg as the experimental material. This study shows that for thick prepreg slabs with a certain thickness, the optimal cutting process parameter combination is for the cutting temperature to be 5℃, cutting speed to be 1.0 m·min^-1, and cutting energy at level eight. This study can provide some ground work for the application of the technology of ultrasonic cutting for prepreg.

Key words： ultrasonic cutting; thick prepreg slab; cutting temperature; cutting speed; cutting energy

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