更新時(shí)間:2022-11-08
主營(yíng)德產(chǎn)REXROTH比例溢流閥,博世4WE6Y62/EG24N9K4比例溢流閥 R900940561 4WREE6V16-2X/G24K31/F1V R900940191 4WREE10EA75-2X/G24K31/A1V R900937065 4WREE6W1-16-2X/G24K31/F1V 主營(yíng)德產(chǎn)REXROTH4WE6Y62/EG24N9K4比例溢流閥,博世比例溢流閥
主營(yíng)德產(chǎn)REXROTH4WE6Y62/EG24N9K4比例溢流閥,博世4WE6Y62/EG24N9K4比例溢流閥
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主營(yíng)德產(chǎn)REXROTH4WE6Y62/EG24N9K4比例溢流閥,博世4WE6Y62/EG24N9K4比例溢流閥
REXROTH比例溢流閥的主閥上腔壓力,是由先導(dǎo)閥加于控制的。如果先導(dǎo)閥正常工作,即主閥上腔有先導(dǎo)閥規(guī)定的壓力,則整個(gè)溢流閥就會(huì)在系統(tǒng)壓力到達(dá)調(diào)定壓力時(shí)其主閥口打開(kāi)一定的開(kāi)度,一方面能將系統(tǒng)多余流量流回油箱,另一方面又能維持系統(tǒng)的壓力為先導(dǎo)閥的調(diào)定值??梢?jiàn),先導(dǎo)閥主要管壓力,主閥服從先導(dǎo)閥的,
在REXROTH比例溢流閥動(dòng)作時(shí)將主閥口開(kāi)到合適大小,正好將多余流量流出去,又不影響系統(tǒng)壓力。
4)如果先導(dǎo)閥不調(diào)什么壓力,也就是說(shuō)主閥上腔沒(méi)有先導(dǎo)閥控制的壓力,這樣主閥芯就解放了,由于沒(méi)有來(lái)自上腔調(diào)壓力,閥口就開(kāi)到zui大,
油源來(lái)的油不再進(jìn)入系統(tǒng)而以盡可能低的卸荷壓力流回油箱。