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lizhe731:1.锡厚调薄点 2.贴装整体提高0.1mm 3.恒温时间拉长点(90~100s) 4.确认下这些零件开孔有没按防锡珠开法开 5.换瓶新锡膏看看 6.有条件换别的品牌锡膏看看 (2015-03-03 21:17)
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wzf294949979:钢网厚度0.1或0.12MM,0402元器件开孔时保持内距0.4MM,不开防锡珠槽也没关系的。 (2015-03-04 14:37)
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ilymqdh:板子烘烤一下再试试看 (2015-03-04 10:19)
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gdlintong:能给个理由? (2015-03-04 17:54)