產(chǎn)品詳情
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度下的空氣分離壓時，原先溶解在數(shù)體中的空氣就分離出來，使液體中迅速出現(xiàn)
大量氣泡，這種現(xiàn)象叫做氣穴現(xiàn)象。當氣泡隨著液流進入高壓時，在高壓作用下
迅速破裂成急劇縮小又凝結(jié)成液體，原來氣泡所占撕的空間形成了周部真空，
周圍液體質(zhì)點以極高速度填補這一空間，質(zhì)點間相互碰撞而產(chǎn)生局部高壓，形成
壓力沖擊。如果這個局部液壓沖擊作用在零件的金屬表面上，使金屬表面產(chǎn)生腐
蝕。這種因空穴產(chǎn)生的腐蝕稱為氣蝕。)
1:排里: (液壓泵每轉(zhuǎn)一轉(zhuǎn)理論上應(yīng)排出的油液體積:液壓馬達在沒有泄晶的
情況下，輸出軸旋轉(zhuǎn)一周所需要油液的體積。)
13.自吸泵:(液壓泵的吸油腔容積能自動增大的泵。)
14.變重泵: (排量可以改變的波壓泵。)
15恒功變里泵: (液壓泵的出口力p與輸出流里a的乘積近似為常數(shù)的變
里泵。)
16.困油現(xiàn)象i (液壓泵工作時，在吸、壓油腔之間形成一一個閉死容積，該容積
的大小隨著傳動軸的旋轉(zhuǎn)發(fā)生變化，導(dǎo)致壓力沖擊和氣蝕的現(xiàn)象稱為困油現(xiàn)象。)
173差動連接:(單活塞桿液壓缸的左、右兩腔同時通壓力油的連接方式稱為差
動連接。
18:往返速比:(單活塞桿液壓缸小腔進油;大腔回油時活塞的運動速度1與大
腔進油、小腔回油時活塞的運動速度V.的比值0)
的控制機能。)
的、看閥的中位機能:《三位滑閥在中 位時各油口的連通方式，它體現(xiàn)了換向閥
20.蘭流閥的壓力流里特性: (在溢流閥調(diào)壓彈著的預(yù)壓縮量調(diào)定以后，閥口
開啟后溢流閥的進口壓力隨溢流量的變化而波動的性能稱為壓力流重特性或啟
R900977503 4WRKE10W8-100L-3X/6EG24ETK31/A5D3M
