摘要
在充分考虑滑移带出现与成形件贴模度的基础上，通过分析拉形速度、毛料几何尺寸、模具几何参数、润滑方式对成形质量的影响，确定了合理的飞机镜面蒙皮拉形条件．结果表明，改善板料变形的均匀性，延缓滑移带出现，增加成形面内材料的变形程度，是制定最优工艺参数、提高成形质量的主要措施．
On the basis of full consideration of the slip band appearing and the shape fixability of forming parts,reasonable conditions in stretch forming of airplane mirror skins have been determined by means of analysis of the effects of stretching velocity, geometrical dimensions of blank, geometrical parameters of dies and lubrication methods on forming quality. The results show that improving the deformation uniformity of sheet materials, delaying the appearance of slip band, and increasing the material deformation degree of the forming region are the main measures of working out the optimum process parameters and improving the forming quality of mirror skins.
出处
《北京航空航天大学学报》
EI
CAS
CSCD
北大核心
1998年第6期654-657,共4页
Journal of Beijing University of Aeronautics and Astronautics
基金
中国博士后科学基金
高等学校博士点基金
