大尺寸大厚度复合材料梁外形精确控制技术

Precise Shape Control Technology of Large Scale and Heavy Section Composites Spar

大型复合材料零件的外形精度是其成型工艺的难点,针对大尺寸大厚度复合材料梁的结构特点,研究了影响大型复合材料U型梁外形精度的因素,通过精确的热膨胀补偿、回弹补偿和厚度控制等工艺方法对主要影响因素加以控制,实现了对大尺寸大厚度复合材料梁外形的精确控制。

The difficulty of manufacturing large scale composite component is shape precision, according to the structure feature of large scale and heavy section composites spar, the influence factors on shape precision of large scale composite component have been researched. With the technology methods such as thermal expansion compensation, springback compensation and thickness control, the primary influence factors of shape precision have been accurately controlled. The purpose of accurate controlling shape precision of large scale and heavy section composites spar have been achieved.