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請教一下,為什么聯(lián)軸器上要用接近開關(guān),而不是直接用軸肩頂住? |
點(diǎn)評
對于齒數(shù)要求與開關(guān)頻率和所測軸轉(zhuǎn)速有關(guān),在開關(guān)允許頻次內(nèi)齒數(shù)越多所測轉(zhuǎn)速或計數(shù)越精確。
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