R900440565 Z2FS6B2-4X/2QV
R900440565 Z2FS6B2-4X/2QV
R900440565 Z2FS6B2-4X/2QV
力士樂(lè)REXROTH液控單向閥應(yīng)用
(1)保持壓力。
滑閥式換向閥都有間隙泄漏現(xiàn)象，只能短時(shí)間保壓。當(dāng)有保壓要求時(shí)，可在油路上加一個(gè)液控單向閥，利用錐閥關(guān)閉的嚴(yán)密性，使油路長(zhǎng)時(shí)間保壓。
(2)液壓缸的“支承”。
在立式液壓缸中，由于滑閥和管的泄漏，在活塞和活塞桿的重力下，可能引起活塞和活塞桿下滑。將液控單向閥接于液壓缸下腔的油路，則可防止液壓缸活塞和滑塊等活動(dòng)部分下滑。
(3)實(shí)現(xiàn)液壓缸鎖緊。
當(dāng)換向閥處于中位時(shí)，兩個(gè)液控單向閥關(guān)閉，可嚴(yán)密封閉液壓缸兩腔的油液，這時(shí)活塞就不能因外力作用而產(chǎn)生移動(dòng)。
(4)大流量排油。
液壓缸兩腔的有效工作面積相差很大。在活塞退回時(shí)，液壓缸右腔排油量驟然增大，此時(shí)若采用小流量的滑閥，會(huì)產(chǎn)生節(jié)流作用，限制活塞的后退速度；若加設(shè)液控單向閥，在液壓缸活塞后退時(shí)，控制壓力油將液控單向閥打開(kāi)，便可以順利地將右腔油液排出。
(5)作充油閥。
立式液壓缸的活塞在高速下降過(guò)程中，因高壓油和自重的作用，致使下降迅速，產(chǎn)生吸空和負(fù)壓，必須增設(shè)補(bǔ)油裝置。液控單向閥作為充油閥使用，以完成補(bǔ)油功能。
(6)組合成換向閥。
本公司是力士樂(lè)REXROTH武漢一級(jí)代理，如有需求請(qǐng)聯(lián)系力士樂(lè)REXROTH
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