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Old 05-17-2011, 02:40 AM   #1
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Default |清大圣科气化炉反骗子.|电弧焊的分类和优点

可分为手工电弧焊、埋弧自动焊和气体保护焊等三种××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&t imes;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&ti mes;×
尤其适用于操作不变的场合和短小焊缝的焊接;埋弧自动焊具有生产率高、焊缝质量好、劳动条件好等特点;气体 保护焊具有保护效果好、电弧稳定、热量集中等特点××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&t imes;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&ti mes;×
焊接铜、铝、锌、锡、铅等有色金属时,必须在通风良好的地方进行,焊接人员应戴防毒面具或呼吸滤清器&ti mes;×清大圣科×清大圣科电焊条×清大圣科电焊条设备&time s;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www.qhs k.cn×清大圣科科技有限公司××
利用电弧作为热源的熔焊方法,称为电弧焊××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&times ;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司× ×
焊接预热焊件时,应设挡板隔离焊件发出的辐射热××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;×
手工自动焊的最大优点是设备简单,应用灵活、方便,适用面广,可焊接各种焊接位置和直缝、环缝及各种曲线焊 缝××清大圣科×清大圣科电焊条×清大圣科电焊条设备& times;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××
高空焊接或切割时,必须挂好安全带,焊件周围和下方应采取防火措施并有专人监护×&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××
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