? ?塑料背心袋制袋機(jī)制袋機(jī)熱封翹袋處很多用過(guò)制袋機(jī)的客戶可能都會(huì)遇到制袋機(jī)熱封的問(wèn)題,那當(dāng)熱封后袋子翹曲該怎么辦?其實(shí)原因很簡(jiǎn)單:
(1)復(fù)合膜的厚度不一致;
(2)熱封溫度過(guò)高或熱封時(shí)間過(guò)長(zhǎng);
(3)在縱向熱封刀部分,復(fù)合膜的運(yùn)行軌跡不平直;
(4)冷卻不充分;
(5)熟化時(shí)間不夠;
(6)表層基材薄膜耐熱性較差