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防爆電ドリルは鉄を穴あけるときに火花が出ますか

2016-10-12View Original

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防爆電ドリルは鋼鉄に穴を開けるときに火花が出ますか?私が言いたいのは、穴を開ける場所で火花が発生するということですか?防爆とはどういう意味ですか?
Reply #22016-10-13
防爆電ドリルで鋼鉄に穴を開けると、黒金属同士の摩擦で必ず火花が発生する。防爆とは、モーターの防爆です。
Reply #32016-10-13
防爆とは機器自体のことで、防爆エリアで作業する場合は防爆ドリルビットを使用しなければなりません。

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