描述
逆時(shí)針和順時(shí)針,是要從什么方向來看,這只是看的方向的問題,從這個(gè)方向是順時(shí)針從另外一個(gè)方向就是逆時(shí)針,沒有人規(guī)定電機(jī)總是順時(shí)針轉(zhuǎn)的,以三相異步電機(jī)為例,任何兩條相線接法顛倒了,電機(jī)會(huì)立馬反向,也就是原來所謂的順時(shí)針,會(huì)變成逆時(shí)針旋轉(zhuǎn)了。對(duì)電機(jī)旋轉(zhuǎn)方向的術(shù)語是有國(guó)標(biāo)規(guī)定的,只稱為順時(shí)針還是逆時(shí)針,但是沒有誰規(guī)定電機(jī)一定要順時(shí)針轉(zhuǎn)。如果只有一個(gè)軸伸,或不同直徑的兩個(gè)軸伸,從軸伸端看(對(duì)兩個(gè)軸伸的看大直徑端);如果有兩個(gè)相同直徑軸伸的,或者沒有軸伸,則從有換向器或滑環(huán)端看;如果一端有換向器而另一端有滑環(huán),則從滑環(huán)端看。電動(dòng)機(jī)的轉(zhuǎn)向是順時(shí)針的稱順時(shí)針旋轉(zhuǎn),逆時(shí)針的稱逆時(shí)針旋轉(zhuǎn)。
發(fā)動(dòng)機(jī)大都是順時(shí)針旋轉(zhuǎn)的,別把發(fā)動(dòng)機(jī)和電機(jī)混淆了,發(fā)動(dòng)機(jī)順時(shí)針轉(zhuǎn)的主要原因如下:按照傳動(dòng)系統(tǒng)的設(shè)計(jì),面對(duì)風(fēng)扇當(dāng)發(fā)動(dòng)機(jī)順時(shí)針運(yùn)轉(zhuǎn)時(shí),扭矩經(jīng)過變速箱,傳動(dòng)軸,驅(qū)動(dòng)橋,最終到達(dá)車輪上剛好是使前進(jìn)的方向。在發(fā)動(dòng)機(jī)剛開始問世的時(shí)候,起動(dòng)根本不是靠起動(dòng)機(jī),一般都是靠人力起動(dòng)。一般人都習(xí)慣用右手,所以在設(shè)計(jì)發(fā)動(dòng)機(jī)的時(shí)候,考慮到人站在發(fā)動(dòng)機(jī)前面,使用右手方便,所以就設(shè)計(jì)成順時(shí)針方向了。大多數(shù)發(fā)動(dòng)機(jī)都是如此,也有少數(shù)賽車或者航空發(fā)動(dòng)機(jī)是逆時(shí)針運(yùn)轉(zhuǎn)的,具體要看需要了。電機(jī)節(jié)能智能電機(jī)節(jié)電設(shè)備。
產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫存商家
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