力士樂(lè)插裝閥R900912549 LC25DB20E7X

REXROTH力士樂(lè)插裝閥R900912549 LC25DB20E7X

插裝閥與我們所說(shuō)的普通液壓控制閥有所不同，它的通流量可達(dá)到1000L/min,通徑可達(dá)200～250mm。閥芯結(jié)構(gòu)簡(jiǎn)單，動(dòng)作靈敏，密封性好。它的功能比較單一，主要實(shí)現(xiàn)液路的通或斷，與普通液壓控制閥組合使用時(shí)，才能實(shí)現(xiàn)對(duì)系統(tǒng)油液方向、壓力和流量的控制。

插裝閥基本組件

組件由閥芯、閥套、彈簧和密封圈組成。根據(jù)用途不同分為方向閥組件、壓力閥組件和流量閥組件。同一通徑的三種組件安裝尺寸相同，但閥芯的結(jié)構(gòu)形式和閥套座直徑不同。三種組件均有兩個(gè)主油口A 和B、一個(gè)控制口x 。

插裝閥和其閥孔的設(shè)計(jì)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：?jiǎn)蜗蜷y、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(wú)法采用不同閥體，那么閥塊的加工成本勢(shì)必增加，插裝閥的優(yōu)勢(shì)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(lèi)比較廣，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(dòng)力回路設(shè)計(jì)和機(jī)械實(shí)用性的延伸，充分展示了插裝閥對(duì)系統(tǒng)設(shè)計(jì)者和應(yīng)用者的重要性。由于其裝配過(guò)程的通用性、閥孔規(guī)格的通用性、互換性的特點(diǎn)，使用插裝閥完全可以實(shí)現(xiàn)完善的設(shè)計(jì)配置，也使插裝閥廣地應(yīng)用于各種液壓機(jī)械。

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