日本小金井電磁閥EA10F1-21-25-75-PS3原裝現(xiàn)貨
在氣路（或液路）上來說，兩位三通日本小金井電磁閥具有1個(gè)進(jìn)氣孔（接進(jìn)氣氣源）、1個(gè)出氣孔（提供給目標(biāo)設(shè)備氣源）、1個(gè)排氣孔（一般安裝一個(gè)消聲器，如果不怕噪音的話也可以不裝。 兩位五通電磁閥具有1個(gè)進(jìn)氣孔（接進(jìn)氣氣源）、1個(gè)正動(dòng)作出氣孔和1個(gè)反動(dòng)作出氣孔（分別提供給目標(biāo)設(shè)備的一正一反動(dòng)作的氣源）、1個(gè)正動(dòng)作排氣孔和1個(gè)反動(dòng)作排氣孔（安裝消聲器）。 對(duì)于小型自動(dòng)控制設(shè)備，氣管一般選用8~12mm的工業(yè)膠氣管。電磁閥一般選用日本SMC（高檔一點(diǎn)，不過是小日本的產(chǎn)品）、中國臺(tái)灣亞德客（實(shí)惠，質(zhì)量也不錯(cuò)）或其它國產(chǎn)品牌等等。 在電氣上來說，兩位三通電磁閥一般為單電控（即單線圈），兩位五通電磁閥一般為雙電控（即雙線圈）。線圈電壓等級(jí)一般采用DC24V、AC220V等。 兩位三通電磁閥分為常閉型和常開型兩種，常閉型指線圈沒通電時(shí)氣路是斷的，常開型指線圈沒通電時(shí)氣路是通的。 常閉型兩位三通電磁閥動(dòng)作原理：給線圈通電，氣路接通，線圈一旦斷電，氣路就會(huì)斷開，這相當(dāng)于“點(diǎn)動(dòng)”。 常開型兩位三通單電控電磁閥動(dòng)作原理：給線圈通電，氣路斷開，線圈一旦斷電，氣路就會(huì)接通，這也是“點(diǎn)動(dòng)”。 兩位五通雙電控電磁閥動(dòng)作原理：給正動(dòng)作線圈通電，則正動(dòng)作氣路接通（正動(dòng)作出氣孔有氣），即使給正動(dòng)作線圈斷電后正動(dòng)作氣路仍然是接通的，將會(huì)一直維持到給反動(dòng)作線圈通電為止。 給反動(dòng)作線圈通電，則反動(dòng)作氣路接通（反動(dòng)作出氣孔有氣），即使給反動(dòng)作線圈斷電后反動(dòng)作氣路仍然是接通的，將會(huì)一直維持到給正動(dòng)作線圈通電為止。這相當(dāng)于“自鎖”。 基于兩位五通雙電控電磁閥的這種特性，在設(shè)計(jì)機(jī)電控制回路或編制PLC程序的時(shí)候，可以讓電磁閥線圈動(dòng)作1~2秒就可以了，這樣可以保護(hù)電磁閥線圈不容易損壞。
日本小金井電磁閥EA10F1-21-25-75-PS3原裝現(xiàn)貨
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日本小金井電磁閥EA10F1-21-25-75-PS3原裝現(xiàn)貨
