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Old 04-28-2011, 07:43 AM   #1
qdsk55lmtv
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Default |清大圣科气化炉反骗子.|电焊机工作原理知多少

电极材料常用紫铜、镉青铜、铬青铜等制成;电极的形状多种多样,主要根据焊件形状确定×&ti mes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥& times;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&ti mes;清大圣科科技有限公司×× 安装电极时,要注意上、下电极表面保持平行;电极平面要保持清洁,常用砂布或锉刀修整×&ti mes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥& times;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&ti mes;清大圣科科技有限公司××
焊工师傅们都能很好的运用电焊机,但是真正了解点焊机工作原理的人很少,在笔者看来点焊机工作原理真正理解 了之后在以后的工作当中会觉得越来越简单,跟平时学习是一样的,只要掌握了核心的原理工作将变得很简单&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××
在焊条引燃后电压下降,电焊机的工作电压的调节,除了一次的220/380电压变换,二次线圈也有抽头变换电压,同时还有用铁芯来调节的,可调铁芯×&times ;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&tim es;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&times ;清大圣科科技有限公司×× 电焊机一般是一个大功率的变压器,系利用电感的原理做成的××清大圣科&time s;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××
点焊是焊件装配接接头,并压紧在两电极之间,利用电阻热熔化母材金属,形成焊点的电阻焊方法× ×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×× 点焊多
点焊的工艺过程为开通冷却水;将焊件表面清理干净,装配准确后,送入上、下电极之间,施加压力,使其接触良 好;通电使两工件接触表面受热,局部熔化,形成熔核;断电后保持压力,使熔核在压力下冷却凝固形成焊点;去 除压力,取出工件××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&ti mes;www.qhsk.cn×清大圣科科技有限公司×× 焊接电流、电极压力、通电时间及电极工作表面尺寸等点焊工艺参数对焊接质量有重大影响×&ti mes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥& times;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&ti mes;清大圣科科技有限公司××

冷却水路通过变压器、电极等部分,以免发热焊接时,应先通冷却水,然后接通电源开关×&tim es;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&t imes;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&tim es;清大圣科科技有限公司×× 电极的质量直接影响焊接过程,焊接质量和生产率××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&ti mes;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&tim es;×
电感量在接通和断开时会产生巨大的电压变化,利用正负两极在瞬间短路时产生的高压电弧来熔化电焊条上的焊料 ××清大圣科×清大圣科电焊条×清大圣科电焊条设备&t imes;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×× 来达到使它们结合的目的××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×&time s;
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Old 04-28-2011, 08:12 AM   #2
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