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DC單向軸承
DC單(dan)(dan)向(xiang)軸(zhou)承是(shi)(shi)在(zai)一個(ge)方(fang)(fang)向(xiang)上可以自由轉(zhuan)動,而(er)在(zai)另(ling)一個(ge)方(fang)(fang)向(xiang)上鎖死(si)的(de)一種軸(zhou)承。單(dan)(dan)向(xiang)軸(zhou)承也叫超越(yue)離合器,只是(shi)(shi)根據(ju)行業(ye)不同,作用不同來命名的(de)。單(dan)(dan)向(xiang)軸(zhou)承的(de)金屬外殼(ke)里,包含很(hen)多個(ge)滾(gun)軸(zhou),滾(gun)針或者滾(gun)珠,而(er)其滾(gun)動座(穴)的(de)形狀(zhuang)使它(ta)只能向(xiang)一個(ge)方(fang)(fang)向(xiang)滾(gun)動,而(er)在(zai)另(ling)一個(ge)方(fang)(fang)向(xiang)上會產生很(hen)大(da)的(de)阻力(所謂“單(dan)(dan)向(xiang)”)。