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防爆工具使用时应该避免的问题

发布时间:2020-01-15
​防爆工具不能和钢制工具相比较,它的性能方面远远不及钢制工具,例如:防爆手动工具的..

防爆工具不能和钢制工具相比较,它的性能方面远远不及钢制工具,例如:防爆手动工具的各类扳手,都具有不同的额定强度,严禁加套管超负荷使用(除敲击扳手外)不得敲击,以免引起因超载断裂和变形,影响正常使用。在使用防爆工具过程中应根据需要合理的选择其品种规格,不得以小代大。还应指出的是在使用活扳手、管钳、呆扳手时,要注意受力方向的要求,不得任意反向用力,在使用带刃的工具时,先应测定工件本身的硬度,如其硬度接近工具硬度时,应仔细小心操作,高于工具硬度时则禁止使用。当工件是由机动旋紧的、长久固定的或因长久锈蚀,而使用手动工具前又不采取其他措施的,应禁止使用,以免损坏工具。防爆工具材质的区别防爆工具材质主要有两种材质:铝青铜合金铍青铜合金铝青铜合金制造的防爆工具:属二类B级产品,在浓度7。8%的乙烯气体环境作业不引爆气体;铍青铜合金制造的防爆工具:属二类C级产品,在浓度21%的氢气气体环境作业不引爆气体。而铍青铜防爆工具没有磁性(磁性为0),所以又是磁场环境作业的理想工具,国外顾客称为防磁工具。

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1、防爆扳手、管钳子以小代大,加套管或加长套管使用造成扳口变形、断裂,扳手柄部弯曲、变形、断折;非敲击扳手如活扳手当做防爆铜锤使用会造成扳手头部变形等等。

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