汽车常见的面漆喷涂缺陷有什么?

2025-03-07 15:12:19
推荐回答(3个)
回答1:

鼓泡
漆面出现圆形鼓泡或气泡,通常出现在接缝区域或死角处,或在原子灰较厚的表面,产生原因1、由于底漆、原子灰的施工不当,2、用劣质的稀释剂或稀释剂不足、压缩空气压力太高,3、漆膜盖在缝隙或死角上,使漆膜下面形成空隙。

起云
一般产生在金属色漆上,漆面颜色变的较白并成云团状,又称起斑或起雾,产生原因1、催干剂不匹配,特别是快干型稀释剂,2、喷枪调整不当或喷漆太厚,挥发不足,3、干燥方法不对。

开裂
漆面有无规则的断裂或裂缝,通常在缝隙或边缘附近,产生原因1、漆料混合不均匀,2、压缩空气中有有油或水,3、漆膜太厚流平时间不够。

灰尘
用手摸漆面粗糙,像有许多杂质陷在漆膜表面或被覆盖,这类现象也被称为麻点,产生原因1、喷漆前表面处理不干净,2、喷漆环境不干净,空气中有微颗粒。

表面无光
漆面表面光滑平整,但缺少光泽,产生原因1、底漆附着力差,或未干就开始喷面漆,2、环境温度太低或太湿油漆干燥太慢,3、油漆受到了蜡或者油的污染。

起皱
漆面上出现程度不同的隆起、起皱,就和皱纹类似,产生原因:干燥速度太快,或强制性干燥。

流淌
漆面局部变厚,通常在倾斜角度大或竖直的表面上,产生原因1、漆膜太厚,2、油漆粘度不够,2、车身所喷位置温度太低,3、底漆有油污。

砂纸痕
表面光滑,但是透过面漆能看到打磨的痕迹,产生原因1、底漆表面处理不当,2、漆膜厚度不够或油漆混合不均匀。

橘皮
漆面呈疙瘩状,不平整、类似橘子皮的样子,产生原因1、喷涂方法不当,2、各个漆层之间的流平时间不够,3、车身所喷位置温度太高。

塑料件脱漆
漆层和塑料部件失去附着,一般发生在喷漆一段时间后,产生原因1、清洁不当,2、没有正确使用底漆或者面漆。

以上就是最常见的10种汽车漆面的缺陷,各位车友今后无论在修补漆面或者购买二手车辆的时候都可以当作参考。

作者:东南西北天下事
链接:https://www.jianshu.com/p/6ef61e0fcb52
来源:简书
著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。

回答2:

  1. 漏喷,露底

  2. 毛边不齐

  3. 颗粒不平

  4. 边缘流挂

  5. 局部小面积针孔

回答3:

在汽车喷涂作业过程中,若施工材料、工艺、设备选择不当,会使漆面产生缺陷。常见的漆面缺陷及预防措施如下。1流挂将液体涂料喷涂于工件表面后,部分湿膜的表面向下流坠,形成上部变薄,下部变厚的缺陷,称之为"流挂"。流挂的形态多种多样,有的呈帘幕状,有的呈条纹状、水柱状或波纹状。

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