我公司長期從事美國MAC電磁閥/MAC比例閥，MAC高頻電磁閥，MAC分析儀器，MAC155高溫濕度分析儀，MAC-3000A型全自動工業分析儀，MAC紅外快速煤質分析儀，電磁閥知識電磁閥介紹電磁閥的工作原理，電磁閥里有密閉的腔，在不同的位置開有通孔，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，而進油孔是常開的，液壓油就會進入不同的排油管，然后通過油的壓力來推動油剛的活塞，活塞又帶動活塞桿，活塞竿帶動機械裝置動。這樣通過控制電磁鐵的電流就控制了機械運動。分類：國內外的電磁閥從原理上分為三大類（即：直動式、分步直動式、先導式），而從閥瓣結構和材料上的不同與原理上的區別又分為六個分支小類（直動膜片結構、分步重片結構、先導膜式結構、直動活塞結構、分步直動活塞結構、先導活塞結構），按照氣路數分為2位2通，2位3通，2位4通，2位5通。電磁閥分為單電控和雙電控，指的是電磁線圈的個數，單線圈的稱為單電控，雙線圈的稱為雙電控，2位2通，2位3通一般時是單電控（單線圈）位4通，，22位5通可以是單電控（單線圈），也可以是雙電控（雙線圈）。
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