一、防爆電機風扇葉的作用
防爆(bao)(bao)電(dian)(dian)機(ji)風(feng)扇葉(xie)在防爆(bao)(bao)電(dian)(dian)機(ji)工作中起著什么作用，現在我們一(yi)起去了解一(yi)下，防爆(bao)(bao)電(dian)(dian)機(ji)風(feng)扇葉(xie)靠防爆(bao)(bao)電(dian)(dian)機(ji)轉(zhuan)動(dong)帶動(dong)葉(xie)子(zi)轉(zhuan)動(dong)，葉(xie)子(zi)轉(zhuan)動(dong)又(you)引(yin)起空氣(qi)的流(liu)(liu)(liu)動(dong)，形(xing)成氣(qi)流(liu)(liu)(liu)，通過罩子(zi)導(dao)流(liu)(liu)(liu)形(xing)成有規律的方向，風(feng)扇葉(xie)扇風(feng)，然后導(dao)流(liu)(liu)(liu)，這樣(yang)就達到為防爆(bao)(bao)電(dian)(dian)機(ji)機(ji)進行散熱的效果。
二、防爆電機風扇葉的分類：
不(bu)同的(de)葉(xie)(xie)片(pian)(pian)(pian)應用(yong)的(de)事物也(ye)是不(bu)同的(de),如前(qian)彎式(shi)葉(xie)(xie)片(pian)(pian)(pian)用(yong)于低(di)壓,轉(zhuan)速(su)不(bu)高的(de)場(chang)合(he),如果(guo)需風(feng)(feng)(feng)量(liang)大(da),可將葉(xie)(xie)片(pian)(pian)(pian)數增多(duo),亦(yi)可用(yong)于高速(su)場(chang)合(he),如電(dian)刨.而后彎式(shi)葉(xie)(xie)片(pian)(pian)(pian)用(yong)于高壓,轉(zhuan)速(su)較高的(de)場(chang)合(he),是電(dian)動工具中(zhong)葉(xie)(xie)片(pian)(pian)(pian)優(you)先選用(yong)后彎式(shi)葉(xie)(xie)片(pian)(pian)(pian).經(jing)向(xiang)式(shi)葉(xie)(xie)片(pian)(pian)(pian)用(yong)于正反向(xiang)旋轉(zhuan)的(de)電(dian)機.前(qian)彎式(shi)類葉(xie)(xie)片(pian)(pian)(pian)特點如下：葉(xie)(xie)片(pian)(pian)(pian)比較短(duan)小、葉(xie)(xie)片(pian)(pian)(pian)間矩小、葉(xie)(xie)片(pian)(pian)(pian)數多(duo)、噪音低(di)、壓力低(di)（即(ji)葉(xie)(xie)片(pian)(pian)(pian)對氣體作功最大(da)）、風(feng)(feng)(feng)量(liang)大(da)、效率(lv)低(di)、風(feng)(feng)(feng)葉(xie)(xie)的(de)曲率(lv)半(ban)徑小（如果(guo)大(da),效率(lv)更低(di)）。按材質分：有塑料風(feng)(feng)(feng)扇葉(xie)(xie)和(he)鑄鋁風(feng)(feng)(feng)扇葉(xie)(xie)；如下圖：
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