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REXROTH柱塞泵特點
1. REXROTH柱塞泵參數(shù)高：額定壓力高，轉(zhuǎn)速高，力士樂油泵的驅(qū)動功率大
2. REXROTH柱塞泵效率高，容積效率為95%左右，總效率為90%左右
3. REXROTH柱塞泵壽命長
4. REXROTH柱塞泵變量方便，形式多
5. REXROTH柱塞泵單位功率的重量輕
6. REXROTH柱塞泵力士樂柱塞泵主要零件均受壓應(yīng)力，材料強(qiáng)度性能可得以充分利用?
REXROTH力士樂電磁閥原理?
REXROTH力士樂電磁閥原理?
：它是一種直動和先導(dǎo)式相結(jié)合的原理，REXROTH力士樂電磁閥當(dāng)入口
：陳
價注意事項：1.請?zhí)峁?列的物料編號和第二列具體型號
2.請發(fā)書面詢價函（郵件，，傳真等），不接受口頭報價。
3.如果型號不能*對上，請?zhí)峁┯⑽钠放泼?具體型號+數(shù)量。
4.詢價的商友請主動告知公司名稱和，謝謝。
當(dāng)入口與出口壓差>0.05Mpa，通電時，電磁力先打開先導(dǎo)小閥，主閥下腔壓力上升，上腔壓力下降，從而利用壓差把主閥向上推開；斷電時，先導(dǎo)閥和主閥利用彈簧力或介質(zhì)壓力推動關(guān)閉件，向下移動，使閥門關(guān)閉。
特點：在零壓差或真空、高壓時亦能可靠工作，但功率較大，要求豎直安裝。
力士樂間接先導(dǎo)式電磁閥
該系列電磁閥由先導(dǎo)閥和主閥芯著形成通道組合而成；常閉型在未通電時，呈關(guān)閉狀態(tài)。當(dāng)線圈通電時，REXROTH力士樂電磁閥產(chǎn)生的磁力使動鐵芯和靜鐵芯吸合，REXROTH力士樂電磁閥導(dǎo)閥口打開，介質(zhì)流向出口，此時主閥芯上腔壓力減少，低于進(jìn)口側(cè)的壓力，形成壓差克服彈簧阻力而隨之向上運動，達(dá)到開啟主閥口的目的，介質(zhì)流通。當(dāng)線圈斷電時，磁力消失，動鐵芯在彈簧力作用下復(fù)位關(guān)閉先導(dǎo)口，此時介質(zhì)從平衡孔流入，主閥芯上腔壓力增大，并在彈簧力的作用下向下運動，關(guān)閉主閥口。常開式原理正好相反。如：SLA，DF（φ15以上口徑），ZCZ等。
：通電時，電磁力驅(qū)動先導(dǎo)閥打開先導(dǎo)閥，REXROTH力士樂電磁閥主閥上腔壓力迅速下降，在主閥上下腔內(nèi)形成壓差，依靠介質(zhì)壓力推動主閥關(guān)閉件上移，REXROTH力士樂電磁閥閥門開啟；REXROTH力士樂電磁閥斷電時，彈簧力把先導(dǎo)閥關(guān)閉，入口介質(zhì)壓力通過先導(dǎo)孔迅速進(jìn)入主閥上腔在上腔內(nèi)形成壓差，從而使主閥關(guān)閉。
REXROTH力士樂電磁閥特點：體積小，功率低，但介質(zhì)壓差范圍受限，必須滿足壓差條件。
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電液換向閥
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