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(1) 薄膜厚薄不均匀。应调整薄膜厚度。
(2) 冷却不足或冷却不均匀。应加强冷却效率或适当降低成型速度。
(3) 人字夹板或牵引辊与机头中心未对准。应重新校准中心线。
(4) 人字夹板的夹角太大。应适当减小夹角。有时,人字夹板的夹角与泡管直径不相适应,应进行调整,夹板的几何形状应对称。
(5) 牵引辊的夹紧力不均匀,松紧不一。应适当调整夹紧力,使辊面上的夹紧力均 匀分布。
(6) 收卷张力不恒定。应调节收卷摩擦盘摩擦力的大小,保证收卷张力恒定。
(7) 机头安装不平。应校正机头的水平度。
(8) 泡管外界的气流不稳定。应在泡管周围拦屏风,保持泡管周围气流的稳定。
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