REXROTH力士樂插裝閥蓋板LFA25GWA-7X/P10

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REXROTH力士樂插裝閥蓋板LFA25GWA-7X/P10   REXROTH力士樂液壓閥   REXROTH力士樂換向閥

插裝閥和其閥孔的設(shè)計通用性的重要性在于大批量生產(chǎn)。就某一種規(guī)格的插裝閥為例，為了批量生產(chǎn)，其閥口的尺寸是統(tǒng)一的。此外，不同功能的閥可采用同一規(guī)格閥腔，例如：單向閥、錐閥、流量調(diào)節(jié)閥、節(jié)流閥、兩位電磁閥等等。如果同一規(guī)格、不同功能的閥無法采用不同閥體，那么閥塊的加工成本勢必增加，插裝閥的優(yōu)勢就不復(fù)存在。
插裝閥在流體控制功能的領(lǐng)域的使用種類比較廣泛，已應(yīng)用的元件有是電磁換向閥，單向閥，溢流閥，減壓閥，流量控制閥和順序閥。通用性在流體動力回路設(shè)計和機械實用性的延伸，充分展示了插裝閥對系統(tǒng)設(shè)計者和應(yīng)用者的重要性。由于其裝配過程的通用性、閥孔規(guī)格的通用性、互換性的特點，使用插裝閥完全可以實現(xiàn)完善的設(shè)計配置，也使插裝閥廣泛地應(yīng)用于各種液壓機械。
體積小、成本低

批量生產(chǎn)的對用戶益處在閥塊還未裝配線終點時就已顯現(xiàn)。采用插裝閥設(shè)計的整套控制系統(tǒng)可為用戶大大減少制造工時；該控制系統(tǒng)的每個元件在組裝成集成閥塊前就可進(jìn)行獨立測試；集成塊在發(fā)給用戶之前就可進(jìn)行整體測試。
由于必須安裝的元件和連接的管路大大減少，為用戶節(jié)省大量的制造工時。由于系統(tǒng)污染物的減少，泄漏點的減少和裝配錯誤的降低，使可靠性顯著提高。插裝閥的應(yīng)用實現(xiàn)了系統(tǒng)的高效、方便。
以輪式裝載機為例，采用插裝閥集成塊來代替故障不斷、難以診斷和維修的動力傳動控制裝置。原有控制系統(tǒng)有60多個連接管件和19個獨立元件。用來替代的整體特制集成塊上只有11個管件和17個元件。體積為12 x 4 x 5立方英寸，是原系統(tǒng)所占空間的20%。采用插裝閥的特點如下：
減少安裝時間 減少泄漏點 減少易污染源 減少維修時間（因為插裝閥無需取下管接頭配件即可更換）
功能全、應(yīng)用廣泛

插裝閥已經(jīng)廣泛應(yīng)用于多種工程機械、物料搬運機械和農(nóng)業(yè)機械。在常被忽視的工業(yè)領(lǐng)域中，插裝閥的應(yīng)用在不斷的擴大。特別是在許多重量和空間的限制的場合中，傳統(tǒng)工業(yè)液壓閥束手無策，而插裝閥卻大顯身手。在某些應(yīng)用場合，插裝閥是提高生產(chǎn)力和競爭力的唯一選擇
新型插裝閥的功能正不斷被開發(fā)出來。這些新開發(fā)成果將保證將來可持續(xù)的生產(chǎn)效益。過去的經(jīng)驗證明：想象力的貧乏是采用插裝閥實現(xiàn)生產(chǎn)既期效益的唯一限制。
插裝閥單元的工作狀態(tài) 記油口A、B、x的壓力分別為pA、pB、px， 作用面積分別為AA、AB、Ax， 閥芯上端復(fù)位彈簧力為Ft ， 當(dāng) pxAx + Ft >pAAA + pBAB 時 閥口關(guān)閉 ； 當(dāng) pxAx + Ft ≤ pAAA+ pBAB 時 閥口開啟。
實際工作時，閥芯的受力狀況是通過油口x的通油方式控制的。
X通回油箱，閥口開啟；
x與進(jìn)油口相通，閥口關(guān)閉。
改變油口通油方式的閥稱為先導(dǎo)閥。
插裝閥的應(yīng)用
三通閥 由兩個方向閥組件并聯(lián)而成，對外形成一個壓力油口、一個工作油口和一個回油口。三通插裝閥的工作狀態(tài)數(shù)取決于先導(dǎo)換向閥的工作位置數(shù)。
四通閥由兩個三通閥并聯(lián)而成
先導(dǎo)閥可以是一個三位四通換向閥，見動畫。
先導(dǎo)閥也可以是兩個二位四通換向閥或四個二位三通換向閥，見動畫。
四通插裝閥的工作狀態(tài)數(shù)取決于先導(dǎo)換向閥的工作位置數(shù)。

上海韋米機電設(shè)備有限公司主營產(chǎn)品:
液壓元件：柱塞泵、葉片泵、齒輪泵、馬達(dá)、截止閥、方向閥、減壓閥、流量控制閥、比例閥、伺服閥、插裝閥、電液換向閥、電磁閥、電磁球閥、蓄能器、放大版、壓力繼電器、壓力傳感器。
氣動元件:：氣動閥、閥島、閥組、電磁閥、換向閥、壓力調(diào)節(jié)閥、流量控制閥,止回閥、氣缸和驅(qū)動裝置、壓縮空氣氣源處理單元、真空技術(shù)、傳感器、氣動連接技術(shù),電氣連接技術(shù)。
電控伺服:：伺服驅(qū)動器,伺服電機、PLC模塊、I/O模塊、框架模塊、電源模塊、數(shù)據(jù)接口模塊、鍵相位模塊、繼電器模塊、測速模塊、溫度模塊、顯示屏、傳感器、探頭、前置器、延伸電纜。

以下是本公司常用德國博世REXROTH力士樂旗下進(jìn)口產(chǎn)品的部分型號：

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