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Old 04-02-2011, 05:41 AM   #1
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Default |www.qhsk.cn.|焊接前的准备工作

待水干后,涂上松香酒精溶液即可使用。××清大圣科×清大圣科电焊条 ×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备× 清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司×& times;经过这样处理后,焊接是就不用逐个处理焊点了,这样既能保证焊接牢固,有能提高焊接速度。&t imes;×清大圣科×清大圣科电焊条×清大圣科电焊条设备&tim es;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qh sk.cn×清大圣科科技有限公司××
元件引线表面处理:一般情况下用砂纸擦去引线上的氧化层,也可用小刀轻轻刮去引线上的氧化层,清理完的元件 引线上应立即涂上少量的焊剂,然后用热的电烙铁在引线上镀上一层很薄的锡层备用。×&time s;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&ti mes;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&time s;清大圣科科技有限公司××

焊接前的准备工作
印刷电路板的表面处理:自制的印刷电路板在使用前应将印刷电路板的铜箔表面的氧化层除掉,方法是用湿布沾上 去污粉,将印刷电路板上的铜箔表面磨亮,然后用水洗净。××清大圣科&times ;清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设 备×清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司 ××
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