摘要
飞机大型铝合金整体壁板具有薄壁、刚性弱及不易定位装夹的特点,其壁厚及重量公差的保证十分困难,是一类典型的难加工飞机结构件。探讨了某型号大型铝合金整体壁板的高速铣削工艺技术,分析了铝合金整体壁板的结构特点,设计了针对大型铝合金整体壁板结构特点的加工工艺路线及编程策略,粗加工阶段设置工艺支撑台,精加工阶段采用真空夹具,调整壁厚控制目标,采用测调一体化自适应加工方式进行两次精加工,能有效保证壁厚及重量公差。
The aircraft large-scale aluminum alloy integral wall panel has several characteristics such as thin walls, weak rigidity, and difficult locating and clamping during the CNC machining. It is difficult to ensure wall thickness and weight tolerance. It is a typical type of difficult-to-machining aircraft structure parts. This paper studies the highspeed milling technologies dealing with aircraft large-scale aluminum alloy integral wall panel, analyzes the structure characteristics of the panel, designs the fabrication order and programming strategy about the panels and supporting embosses in the rough machining operations, uses the vacuum fixture, adjusts the dimension of thickness and takes two times finish machining by the adaptive machining method of the measurement and adjustment integrated, which can keep the thickness and weight tolerance effectively.
作者
王文理
邵坤
罗锐
闫伟
常昌
WANG Wenli;SHAO Kun;LUO Rui;YAN Wei;CHANG Chang(AVIC Manufacturing Technology Institute,Beijing 100024,China)
出处
《航空制造技术》
CSCD
北大核心
2022年第15期82-86,110,共6页
Aeronautical Manufacturing Technology
关键词
飞机大型铝合金整体壁板
高速铣削
测调一体化
自适应加工
数控加工
Aircraft large-scale aluminum alloy integral wall panel
High-speed milling process
Integration of measurement and adjustment
Adaptive machining
CNC machining
