我公司長(zhǎng)期從事美國(guó)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(dòng)工業(yè)分析儀，MAC紅外快速煤質(zhì)分析儀，電磁閥知識(shí)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(gè)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(huì)被吸引到哪邊，通過控制閥體的移動(dòng)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(huì)進(jìn)入不同的排油管，然后通過油的壓力來推動(dòng)油剛的活塞，活塞又帶動(dòng)活塞桿，活塞竿帶動(dòng)機(jī)械裝置動(dòng)。這樣通過控制電磁鐵的電流就控制了機(jī)械運(yùn)動(dòng)。分類：國(guó)內(nèi)外的電磁閥從原理上分為三大類（即：直動(dòng)式、分步直動(dòng)式、先導(dǎo)式），而從閥瓣結(jié)構(gòu)和材料上的不同與原理上的區(qū)別又分為六個(gè)分支小類（直動(dòng)膜片結(jié)構(gòu)、分步重片結(jié)構(gòu)、先導(dǎo)膜式結(jié)構(gòu)、直動(dòng)活塞結(jié)構(gòu)、分步直動(dòng)活塞結(jié)構(gòu)、先導(dǎo)活塞結(jié)構(gòu)），按照氣路數(shù)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(gè)數(shù)，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(shí)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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