?Z2S10A1-3X特價(jià)力士樂G761-3033

武穴黎翔機(jī)電設(shè)備有限公司，詢價(jià)聯(lián)系人：何女士

詢價(jià)電話：0713-6542758，手機(jī)：18934630908????

詢價(jià)傳真：0713-6542758

詢價(jià)QQ:?736567721,704552157

現(xiàn)貨特價(jià)型號(hào)：R900925687?4WRAE10W1-30-22/G24N9K31/F1V??2臺(tái)下腔背壓力大于順序閥的調(diào)定壓力時(shí)，順序閥開啟。由于液壓缸下腔一直存在背壓力，運(yùn)動(dòng)部件自重得到平衡，活塞可以平穩(wěn)地下落，不會(huì)產(chǎn)生超速現(xiàn)象。活塞下落時(shí)，這種回路的功率損失大?；钊Ｖ箷r(shí)，由于單向順序閥的泄漏而使運(yùn)動(dòng)部件緩慢下降，所以它適用于工作部件重量不大，對(duì)活塞鎖住時(shí)的定位要求不高的場(chǎng)合。所示為采用液控單向順序閥的平衡回路。當(dāng)換向閥處于中位時(shí)，液控順序閥關(guān)閉，使工作部件停止運(yùn)動(dòng)并能防止其因自重而下落。當(dāng)換向閥左位接入后，液壓油進(jìn)入液壓缸上腔，并進(jìn)入液控順序閥的控制口。打開順序閥，液壓缸下腔回油，背壓消失，

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活塞下行。因此，這種回路效率高，安全可靠，但在活塞下落時(shí)，由于自重作用使得運(yùn)動(dòng)部件下降過快，必然使液壓缸上腔的油壓降低，使液控順序閥的開口關(guān)小，阻力增大，從而阻止活塞迅速下降。當(dāng)液控順序閥開口關(guān)小時(shí)，液壓缸下腔的背壓上升，

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上腔油壓也上升，又使液控順序閥的開口開大。因此，液控順序閥的開口處于不穩(wěn)定狀態(tài)，系統(tǒng)平穩(wěn)性較差（嚴(yán)重時(shí)會(huì)出現(xiàn)斷續(xù)運(yùn)動(dòng)的現(xiàn)象）。由上述內(nèi)容可知，這種回路適用于運(yùn)動(dòng)部件的重量有變化，但重量不太大，停留時(shí)間較短的液壓系統(tǒng)中。

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KDG4V-5-2C50N-M-U-HA7-30?

KDG4V-5-2C50N-VM-U-H7-30?

KDG4V-5-2C50N-Z-M-U1-H7-30?

KDG4V-5-2C50N-Z-M-U-G7-30?

KDG4V-5-2C50N-Z-M-U-H7-30?

KDG4V-5-2C50N-Z-M-U-HA7-30?

KDG4V-5-2C50N-Z-VM-U-H7-30?

KDG4V-5-2C65S-H-M-U-H6-30?

KDG4V-5-2C65S-M-U-H6-30?

KDG4V-5-2C65S-VM-U-H6-30?

KDG4V-5-2C65S-Z-M-U1-H6-30?

KDG4V-5-2C65S-Z-M-U-G6-30?

KDG4V-5-2C65S-Z-M-U-H6-30?

KDG4V-5-2C70N-Z-M-U1-H7-30?

KDG4V-5-2C70N-Z-M-U-H7-30?

KDG4V-5-33C30N-H-M-U-HA7-30?

KDG4V-5-33C30N-M-U-H7-30?

KDG4V-5-33C30N-M-U-HA7-30?

KDG4V-5-33C30N-Z-M-U1-H7-30?

KDG4V-5-33C30N-Z-M-U-H7-30?

KDG4V-5-33C30N-Z-M-U-HA7-30?

KDG4V-5-33C50N25-H-M-U-H7-30-EN137?

DGMC2-3-AB-BK-BA-BK-41?

DGMC2-3-AB-BW-BA-BW-41?

DGMC2-3-AB-BW-BA-CW-41?

DGMC2-3-AB-CH-BA-CH-41?

DGMC2-3-AB-CK-BA-CK-41?

DGMC2-3-AB-CW-BA-BW-41?

DGMC2-3-AB-CW-BA-CW-41?

DGMC2-3-AB-CW-BA-CW-41-EN103?

DGMC2-3-AB-CW-BA-CW-41-EN104?

DGMC2-3-AB-CW-BA-CW-41-EN48?

DGMC2-3-AB-CW-BA-CW-41-EN74?

DGMC2-3-AB-CW-BA-GW-41?

DGMC2-3-AB-GH-BA-GH-41?

DGMC2-3-AB-GW-BA-BW-41?

DGMC2-3-AB-GW-BA-CW-41?

DGMC2-3-AB-GW-BA-GW-41?

DGMC2-3-AT-AW-BT-AW-41?

DGMC2-3-AT-BH-BT-BH-41?

DGMC2-3-AT-BW-BT-BW-41?

DGMC2-3-AT-BW-BT-CW-41?

DGMC2-3-AT-BW-BT-GW-41?

DGMC2-3-AT-CH-BT-CH-41?

DGMC2-3-AT-CW-BT-BW-41?

DGMC2-3-AT-CW-BT-CW-41?

DGMC2-3-AT-GW-BT-AW-41?

DGMC2-3-AT-GW-BT-BW-41?

DGMC2-3-AT-GW-BT-CW-41?

DGMC2-3-AT-GW-BT-GW-41?

DGMC2-5-AB-BH-BA-BH-30?

DGMC2-5-AB-BW-BA-BW-30?

DGMC2-5-AB-FW-BA-FW-30?

DGMC2-5-AB-GH-BA-GH-30?

DGMC2-5-AB-GW-BA-GW-30?

DGMC2-5-AT-BH-BT-BH-B-30?

DGMC2-5-AT-BW-BT-BW-B-30?

DGMC2-5-AT-FW-BT-FW-B-30?

DGMC2-5-AT-GH-BT-GH-B-30?

DGMC2-5-AT-GW-BT-GW-B-30?

DGMC-2-AB-BW-10?

DGMC-2-AT-FW-10?

DGMC-2-PT-BW-10?

DGMC-2-PT-CW-10?

DGMC-2-PT-FW-10?

DGMC-2-PT-GW-10?

DGMC-3-AB-BW-41?

DGMC-3-AB-CH-41?

DGMC-3-AB-CW-41?

DGMC-3-AB-GW-41?

DGMC-3-AT-AW-41?

DGMC-3-AT-AW-B-41?

DGMC-3-AT-BW-41?

DGMC-3-AT-BW-B-41?

DGMC-3-AT-CH-41?

DGMC-3-AT-CW-41?

DGMC-3-AT-CW-B-41?

DGMC-3-AT-GW-41?

DGMC-3-AT-GW-B-41?

DGMC-3-BA-AW-41?

DGMC-3-BA-BW-41?