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REXROTH力士樂(lè)電磁閥原理
- 型 號(hào):
- 更新時(shí)間:2018-03-19
REXROTH力士樂(lè)電磁閥原理 :陳價(jià)注意事項(xiàng):1.請(qǐng)?zhí)峁?列的物料編號(hào)和第二列具體型號(hào) 2.請(qǐng)發(fā)書面詢價(jià)函(郵件,,傳真等),不接受口頭報(bào)價(jià)。 3.如果型號(hào)不能*對(duì)上,請(qǐng)?zhí)峁┯⑽钠放泼?具體型號(hào)+數(shù)量。 4.詢價(jià)的商友請(qǐng)主動(dòng)告知公司名稱和,謝謝。
REXROTH柱塞泵特點(diǎn)
1. REXROTH柱塞泵參數(shù)高:額定壓力高,轉(zhuǎn)速高,力士樂(lè)油泵的驅(qū)動(dòng)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(zhǎng)
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(lè)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(lè)電磁閥原理?
REXROTH力士樂(lè)電磁閥原理?
:它是一種直動(dòng)和先導(dǎo)式相結(jié)合的原理,REXROTH力士樂(lè)電磁閥當(dāng)入口
:陳
價(jià)注意事項(xiàng):1.請(qǐng)?zhí)峁?列的物料編號(hào)和第二列具體型號(hào)
2.請(qǐng)發(fā)書面詢價(jià)函(郵件,,傳真等),不接受口頭報(bào)價(jià)。
3.如果型號(hào)不能*對(duì)上,請(qǐng)?zhí)峁┯⑽钠放泼?具體型號(hào)+數(shù)量。
4.詢價(jià)的商友請(qǐng)主動(dòng)告知公司名稱和,謝謝。
當(dāng)入口與出口壓差>0.05Mpa,通電時(shí),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(shí),先導(dǎo)閥和主閥利用彈簧力或介質(zhì)壓力推動(dòng)關(guān)閉件,向下移動(dòng),使閥門關(guān)閉。
特點(diǎn):在零壓差或真空、高壓時(shí)亦能可靠工作,但功率較大,要求豎直安裝。
力士樂(lè)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(shí),呈關(guān)閉狀態(tài)。當(dāng)線圈通電時(shí),REXROTH力士樂(lè)電磁閥產(chǎn)生的磁力使動(dòng)鐵芯和靜鐵芯吸合,REXROTH力士樂(lè)電磁閥導(dǎo)閥口打開,介質(zhì)流向出口,此時(shí)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(yùn)動(dòng),達(dá)到開啟主閥口的目的,介質(zhì)流通。當(dāng)線圈斷電時(shí),磁力消失,動(dòng)鐵芯在彈簧力作用下復(fù)位關(guān)閉先導(dǎo)口,此時(shí)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(yùn)動(dòng),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(shí),電磁力驅(qū)動(dòng)先導(dǎo)閥打開先導(dǎo)閥,REXROTH力士樂(lè)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(dòng)主閥關(guān)閉件上移,REXROTH力士樂(lè)電磁閥閥門開啟;REXROTH力士樂(lè)電磁閥斷電時(shí),彈簧力把先導(dǎo)閥關(guān)閉,入口介質(zhì)壓力通過(guò)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(lè)電磁閥特點(diǎn):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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