文档介绍：课程设计说明书题目:塑料门窗课程设计院(部):机电工程学院专业:机械制造及自动化班级:机械0831姓名:赵新欢学号:2008073007指导教师:刘建华完成日期:2012-02-26目录一型材的下料尺寸计算..................................................................................................................................................................................................................................................................................................................................................................................................2二型材重量计算.....................................................................3三五金件的选择......................................................................3四塑料窗焊接关键工序工艺质量控制点.................................................4五塑料窗组装成品关键工序工艺质量控制点.............................................5六下料焊接工序的工艺卡片...........................................................................................................7八生产作业单………………………………………………………………………………………………7一型材的下料尺寸计算窗宽:2400mm,窗高:1500mm,选择90的型材,型材搭接量为8mm。四扇窗子,其中两边的窗子固定,:1)上下边框:2400+8=2408mm2)左右边框:1500+8=1508mm3)中竖梃:1500-40*2+8=:1)左右扇梃:B=A-2H+2D=1500-2*40+2*8=1436mm2)上下扇梃:B=600-40+8+50/2=:扇横玻璃压条:8件:593-40*2=513mm扇竖玻璃压条:8件:1436-50*2=:1)宽:593-40*2+8*2=529mm2)高:1436-50*2+8*2=)上下边框两件型材长度2400×2=4800mm2)左右