?優(yōu)勢(shì)溢流閥DB30-2-52/350

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)

D634-371C?R24K02MONSS2????3臺(tái)DG4V-3-6C-M-U-H7-60????10臺(tái)

DG4V-3-2N-M-U-H7-60????15臺(tái)DG4V-3-2A-M-U-H7-60????10臺(tái)

由于換向結(jié)構(gòu)的特殊性，使得用戶在實(shí)現(xiàn)某一功能時(shí)必須購(gòu)買相應(yīng)的液壓元件，再加上工程機(jī)械廠家會(huì)根據(jù)不同最終用戶要求設(shè)計(jì)出相應(yīng)的功能，這樣會(huì)造成生產(chǎn)廠家采購(gòu)?fù)?、多?guī)格的液壓控制元件來(lái)滿足不同功能要求的需要，不利于產(chǎn)品通用化及產(chǎn)品管理，同時(shí)會(huì)大大提高產(chǎn)品成本。?

　　?（3）由于執(zhí)行機(jī)構(gòu)進(jìn)出液壓油通過(guò)一根閥芯進(jìn)行控制，單獨(dú)控制執(zhí)行機(jī)構(gòu)兩側(cè)壓力是不可能的。因此，出油側(cè)背壓作用于執(zhí)行機(jī)構(gòu)運(yùn)動(dòng)的反方向，隨著出油側(cè)背壓升高，為保質(zhì)執(zhí)行機(jī)構(gòu)的運(yùn)動(dòng)，必須提高進(jìn)油側(cè)壓力。這樣會(huì)使得液壓系統(tǒng)消耗的功能增加，效率低，發(fā)熱增加。?

　　?采用雙閥芯技術(shù)的液壓系統(tǒng)，由于執(zhí)行機(jī)構(gòu)進(jìn)出油側(cè)閥口閥芯位置及控制方式各自獨(dú)立，互不影響，這樣通過(guò)對(duì)兩閥芯控制方式的不同組合，利用軟件編程能很好解決傳統(tǒng)單閥系統(tǒng)不能解決的問(wèn)題，同時(shí)還可以輕易實(shí)現(xiàn)傳統(tǒng)液壓系統(tǒng)中難以實(shí)現(xiàn)的功能。?

2、雙閥芯換向閥的兩種基本控制策略?

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　　?由于雙閥芯換向兩油口控制的靈活性，兩油口可分別采取流量控制、壓力控制或流量壓力控制。正面介紹兩種簡(jiǎn)單的控制策略。?

（1）負(fù)載方向在整個(gè)工作過(guò)程中保持不變?

DKE-1631/2?24DC?

?DKER-1711

DKE-1713-X?24DC?,

DKE-1618-SP666-24DC?

,DKE-1718-X?24DC

?DKE-1631/2-X???24DC

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??DKE-1710-X?24DC?

?DKE-1630/2-X?

?DKER-1631/2?

DKER-1751/2??

DKE-1631/2-X24DC+SP667?

??DKE-1611-X?24DC

?DKOR-1611/A-X?24DC,　

DKOR-1631/2-X?24DC,　

DKOR-1671-X?24DC,　

DKOR-1710-X?24DC?10,

　DKOR-1711/L-X?24DC?10,　

DKOR-1711-X?24DC?10,　

DKOR-1713-X?24DC,　

DKOR-1714-X?24DC?10,　

SDHI-0631/2/A-X?24DC,

　SDHI-0631/2-X?24DC,

　SDHI-0639/C-X?24DC?23,

　SDHI-0639/O-X?230/50/60AC?23,　

SDHI-0639/O-X?24DC,　

SDHI-0710-X?230/50/60AC?23,　

SDHI-0711-X?12DC?23,　

SDPHI-2711/1/D-X?24DC?31

,SDPHI-2711/D-X?24DC,

SDPHI-2713/D-X?24DC,　

SDPHI-2713-X?24DC,　

SDPHI-27191/D-X?24DC,　

SDPHI-3631/2-X?24DC?53,　

SDPHI-3711/1/DE-X?24DC,

　SDPHI-3711/1/D-X?24DC,

　SDPHI-3711/1/E-X?24DC,

　SDPHI-3711/DE-X?24DC,　

SDPHI-3711/D-X?24DC,　

SDPHI-3713/E-X?230/50/60AC?53,

　SDPHI-3713/E-X?24DC?53,

SDPHI-3713-X?24DC?53,　

SDPHI-3714/8/DE-X?24DC,　

SDPHI-3714/8/E-X?24DC,　

SDPHI-3714/DE-X?24DC

?DPHI-1614/AD-X?24DC,

　　?我們知道，對(duì)于汽車起重機(jī)、挖掘機(jī)、裝載機(jī)等而言，其液壓缸在整個(gè)工作過(guò)程中負(fù)載方向始終維持不變。下面以起重機(jī)變幅液壓缸為例來(lái)探討雙閥芯的控制策略。?

　　?起重機(jī)變幅缸在工作過(guò)程中其受力，負(fù)載方向始終保持不變，因此我們可以采取液壓缸有桿控用壓力控制、無(wú)桿腔用流量控制的控制策略。?

T6DC-035-020-3L00

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4個(gè)閥固定孔

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