液壓馬達是液壓系統(tǒng)的一種執(zhí)行元件，它將液壓泵提供的液體壓力能轉變?yōu)槠漭敵鲚S的機械能(轉矩和轉速)。液體是傳遞力和運動的介質(zhì)。液壓馬達，亦稱為油馬達，主要應用于注塑機械、船舶、起揚機、工程機械、建筑機械、煤礦機械、礦山機械、冶金機械、船舶機械、石油化工、港口機械等。
工作原理，當壓力油經(jīng)固定的配油軸4的窗口進入缸體內(nèi)柱塞的底部時，柱塞向外伸出，緊緊頂住定子的內(nèi)壁，由于定子與缸體存在一偏心距。在柱塞與定子接觸處，定子對柱塞的反作用力為 。力可分解為和 兩個分力。當作用在柱塞底部的油液壓力為p，柱塞直徑為d，力和之間的夾角為X時，力對缸體產(chǎn)生一轉矩，使缸體旋轉。缸體再通過端面連接的傳動軸向外輸出轉矩和轉速。以析的一個柱塞產(chǎn)生轉矩的情況，由于在壓油區(qū)作用有好幾個柱塞，在這些柱塞上所產(chǎn)生的轉矩都使缸體旋轉，并輸出轉矩。徑向柱塞液壓馬達多用于低速大轉矩的情況下。E-A4VS0180DR/30R-PPB13N00
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折疊高速馬達
額定轉速高于500r/min的馬達屬于高速馬達。高速馬達的基本形式有齒輪式、葉片式和軸向柱塞式。它們主要特點是轉速高，轉動慣量小，便于啟動、制動、調(diào)速和換向。

液壓馬達是液壓系統(tǒng)的一種執(zhí)行元件，它將液壓泵提供的液體壓力能轉變?yōu)槠漭敵鲚S的機械能(轉矩和轉速)。液體是傳遞力和運動的介質(zhì)。液壓馬達，亦稱為油馬達，主要應用于注塑機械、船舶、起揚機、工程機械、建筑機械、煤礦機械、礦山機械、冶金機械、船舶機械、石油化工、港口機械等。
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軸向柱塞泵除閥式配流外，其它形式原則上都可以作為液壓馬達用，即軸向柱塞泵和軸向柱塞馬達是可逆的。軸向柱塞馬達的工作原理為，配油盤和斜盤固定不動，馬達軸與缸體相連接一起旋轉。當壓力油經(jīng)配油盤的窗口進入缸體的柱塞孔時，柱塞在壓力油作用下外伸，緊貼斜盤，斜盤對柱塞產(chǎn)生一個法向反力p，此力可分解為軸向分力及和垂直分力Q。Q與柱塞上液壓力相平衡，而Q則使柱塞對缸體中心產(chǎn)生一個轉矩，帶動馬達軸逆時針方向旋轉。軸向柱塞馬達產(chǎn)生的瞬時總轉矩是脈動的。若改變馬達壓力油輸入方向，則馬達軸按順時針方向旋轉。斜盤傾角a的改變、即排量的變化，不僅影響馬達的轉矩，而且影響它的轉速和轉向。斜盤傾角越大，產(chǎn)生轉矩越大，轉速越低。軸向柱塞泵 E-A4VSO250EO2/30R-VPB25N00-SO3
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