管道生产异常问题调试.ppt

目录 总概.................................... ..................................................4 第一章、产品质量异常问题的介绍及调试与预防............................5 1、椭圆度超出标准............................... ......................................6 2、划线 ................................................... .................................9 3、凹凸线 .............................................. ..................................12 4、外壁花纹 ............................................. ...............................15 5、切口斜................................................. ................................17 6、壁厚不均匀 ............................................ .............................19 7、发麻................................................. ...................................22 8、外表面凹点....................................... ...................................25 9、色带粗细不均 ...................................... ................................27 10、外径偏小或偏大...................................................................29 11、圆斑.................................................. ................................31 12、无光泽................................................ ...............................34 13、产生光亮外壁..................................... ................................35 14、管材长短不一..................................... ................................36 15、内壁有气泡........................................ ................................37 16、水波纹............................................... ................................38 17、断料................................................. .................................40 18、发胖.................................................. ................................42 第二章、设备异常问题及调试.....................................................45 1、主机电流不稳...................................... .................................46 2、主电机不能启动 .................................. ................................48 3、机头出料不畅或堵塞 ........................... ...................