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二氧化碳气体保护焊操作规程 | 2011-7-14 1:20:00
现场安全资料实例(339)施工机械操作规程牌48
施工机械操作规程牌48 二氧化碳气体保护焊操作规程 1.作业前,二氧化碳气体应先预热15min。开气时,操作人员必须站在瓶嘴的侧面。 2.作业前,应检查并确认焊丝的进给机构、电线的连接部分、二氧化碳气体的供应系统及冷却水循环系统合乎要求,焊枪冷却水系统不得漏水。 3.二氧化碳气体瓶宜放在阴凉处,其最高温度不得超过30℃,并应放置牢靠,不得靠近热源。 4.二氧化碳气体预热器端的电压,不得大于36V,作业后,应切断电源。 |

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