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簡要描述:香港力士樂電磁閥,R900556323 4WE6J1-6X/EG24N9K4電磁閥原理: 它是種直動和先導(dǎo)式相結(jié)合的原理,當(dāng)入口與出口沒有壓差時,通電后,電磁力直接把先導(dǎo)小閥和主閥關(guān)閉件依次向上提起,閥門打開。當(dāng)入口與出口達(dá)到啟動壓差時,通電后,電磁力先導(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)閥利用彈簧力或介質(zhì)壓力推動關(guān)閉件,向下移動,
品牌 | REXROTH/德國力士樂 |
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香港力士樂電磁閥,R900556323 4WE6J1-6X/EG24N9K4
特點: 在零壓差或真空、高壓時亦能可動作,但功率較大,要求必須安裝
德國REXROTH力士樂先導(dǎo)式電磁閥:
原理:通電時,電磁力把先導(dǎo)孔打開,上腔室壓力迅速下降,在關(guān)閉件周圍形成上下高的壓差,流體壓力推動關(guān)閉件向上移動,閥門打開;斷電時,彈簧力把先導(dǎo)孔關(guān)閉,入口壓力通過旁通孔迅速腔室在關(guān)閥件周圍形成下上高的壓差,流體壓力推動關(guān)閉件向下移動,關(guān)閉閥門。
特點: 流體壓力范圍上限較高,可任意安裝(需定制)但必須滿足流體壓差條件 。
香港力士樂電磁閥,R900556323 4WE6J1-6X/EG24N9K4
力士樂REXROTH電磁閥里有密閉的腔,在的不同位置開有通孔,每個孔都通向不同的油管,腔中間是閥,兩面是兩塊電磁鐵,哪面的磁鐵線圈通電閥體就會被吸引到哪邊,通過控制閥體的移動來檔住或漏出不同的排油的孔,而進(jìn)油孔是常開的,液壓油就會進(jìn)入不同的排油管,然后通過油的壓力來推動油剛的活塞,活塞又帶動活塞桿,活塞竿帶動機(jī)械裝置動。這樣通過控制電磁鐵的電流就控制了機(jī)械運動。
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