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DC單向軸承

DC單(dan)(dan)向(xiang)(xiang)軸承(cheng)是在一個(ge)(ge)方(fang)(fang)向(xiang)(xiang)上可(ke)以自由(you)轉動(dong)，而在另一個(ge)(ge)方(fang)(fang)向(xiang)(xiang)上鎖死的(de)一種(zhong)軸承(cheng)。單(dan)(dan)向(xiang)(xiang)軸承(cheng)也叫超越離合(he)器，只是根據行(xing)業(ye)不同(tong)，作(zuo)用不同(tong)來命名(ming)的(de)。單(dan)(dan)向(xiang)(xiang)軸承(cheng)的(de)金屬(shu)外(wai)殼(ke)里(li)，包(bao)含很多個(ge)(ge)滾(gun)軸，滾(gun)針(zhen)或者滾(gun)珠，而其滾(gun)動(dong)座(zuo)（穴）的(de)形狀使它(ta)只能(neng)向(xiang)(xiang)一個(ge)(ge)方(fang)(fang)向(xiang)(xiang)滾(gun)動(dong)，而在另一個(ge)(ge)方(fang)(fang)向(xiang)(xiang)上會產生很大的(de)阻力(所(suo)謂“單(dan)(dan)向(xiang)(xiang)”)。


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