喷砂油漆

  • 喷砂施工环境:湿度大于80%不得喷砂。
    油漆施工环境:相对湿度是否小于85%,露点温度是否高于表面温度3℃。

  • 是否每天每班按时段记录温湿度及天气情况

  • 喷砂用钢砂为G40,喷砂要求是否达到:Sa2.5级,粗糙度在75~100μm。

  • 喷漆使用的设备-喷漆泵的清洁度检查

  • 油漆的使用,配比,混合使用时间等是否符合作业指导书的要求?开封时间、混合时间等是否在指定区域进行记录或标识?

  • 难喷涂的区域是否提前进行预涂,包括型钢的内侧面,加强筋内侧面,法兰边缘,排水孔等位置。

  • 包覆板油漆前增加检验点,验收尺寸焊缝等情况,质量班是否验收合格后才能进行喷涂

  • 油漆外观检查,缺陷返工

  • 钻孔有夹层的部位是否涂抹硅胶进行密封。

  • 所有的不锈钢与碳钢的混合焊缝,油漆是否盖过焊缝延伸10mm。

  • 油漆修补不得随意性,是否严格按照油漆作业指导书进行(羽化后刷涂成矩形)

  • 喷砂油漆前是否对临时支撑固件的外观进行检查

  • 油漆前是否保护好不需要油漆的表面,尤其注意保护好不锈钢表面,自粘板等部件

  • 油漆后不锈钢表面被油漆污染是否通过打磨去除,打磨清洁后设有清洁度检验点,是否经过质量班验收后才能进行下一步工序。(尤其需要检查边缘是间断焊的部位,避免打磨残渣堆积)。

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