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CQP25.4-D氣動(dong)(dong)(dong)(dong)盤(pan)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)，易實現制(zhi)(zhi)動(dong)(dong)(dong)(dong)間隙自動(dong)(dong)(dong)(dong)調整。盤(pan)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)的(de)不足之(zhi)處在(zai)于(yu)摩擦片直接作用(yong)(yong)在(zai)圓盤(pan)上，無(wu)自動(dong)(dong)(dong)(dong)摩擦增力作用(yong)(yong)，制(zhi)(zhi)動(dong)(dong)(dong)(dong)效能較低，所以用(yong)(yong)于(yu)液壓制(zhi)(zhi)動(dong)(dong)(dong)(dong)系統時若所需(xu)制(zhi)(zhi)動(dong)(dong)(dong)(dong)促動(dong)(dong)(dong)(dong)管路壓力較高，須另行裝(zhuang)(zhuang)設(she)動(dong)(dong)(dong)(dong)力輔助裝(zhuang)(zhuang)置(zhi)；兼用(yong)(yong)于(yu)駐車(che)制(zhi)(zhi)動(dong)(dong)(dong)(dong)時，加裝(zhuang)(zhuang)的(de)駐車(che)制(zhi)(zhi)動(dong)(dong)(dong)(dong)傳動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)置(zhi)比鼓(gu)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)要復雜，因而在(zai)后輪上的(de)應用(yong)(yong)受到。