倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)（又(you)稱倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)打器(qi)(qi)(qi)(qi)(qi)(qi)/倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)震動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)）功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)計算(suan)(suan)：倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)，應(ying)根據生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)所需(xu)要(yao)(yao)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)來選(xuan)擇(ze)，盡量使(shi)(shi)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)在(zai)額定(ding)(ding)負載下(xia)(xia)運(yun)行(xing)。選(xuan)擇(ze)時(shi)應(ying)注意以(yi)(yi)(yi)下(xia)(xia)兩(liang)點：（1）如(ru)(ru)果倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)選(xuan)得過(guo)(guo)小(xiao)．就(jiu)會(hui)出(chu)(chu)(chu)現“小(xiao)馬拉(la)大(da)(da)(da)車(che)”現象，造(zao)成倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)長期過(guo)(guo)載．使(shi)(shi)其絕(jue)緣因(yin)發熱而損壞．甚(shen)至倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)被燒毀。 （2）如(ru)(ru)果倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)選(xuan)得過(guo)(guo)大(da)(da)(da)．就(jiu)會(hui)出(chu)(chu)(chu)現“大(da)(da)(da)馬拉(la)小(xiao)車(che)”現象．其輸(shu)出(chu)(chu)(chu)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)不能(neng)得到充分(fen)利用，功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)因(yin)數(shu)和(he)效率(lv)(lv)(lv)(lv)(lv)都不高，不但對(dui)(dui)用戶(hu)和(he)電(dian)(dian)(dian)(dian)網不利。而且還會(hui)造(zao)成電(dian)(dian)(dian)(dian)能(neng)浪費(fei)。 要(yao)(yao)正確選(xuan)擇(ze)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)，必須經(jing)過(guo)(guo)以(yi)(yi)(yi)下(xia)(xia)計算(suan)(suan)或比(bi)較： P=F*V /1000 (P=計算(suan)(suan)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv) KW， F=所需(xu)拉(la)力 N，工作機(ji)(ji)(ji)(ji)線速度 M/S) 對(dui)(dui)于(yu)(yu)恒定(ding)(ding)負載連(lian)續工作方式(shi)(shi)，可按下(xia)(xia)式(shi)(shi)計算(suan)(suan)所需(xu)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)： P1(kw)：P=P/n1n2 式(shi)(shi)中 n1為生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)的(de)(de)(de)效率(lv)(lv)(lv)(lv)(lv)；n2為倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)效率(lv)(lv)(lv)(lv)(lv)，即傳(chuan)動(dong)(dong)(dong)(dong)(dong)效率(lv)(lv)(lv)(lv)(lv)。 按上(shang)式(shi)(shi)求出(chu)(chu)(chu)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)P1，不一定(ding)(ding)與產(chan)品功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)相同。因(yin)此．所選(xuan)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)額定(ding)(ding)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)應(ying)等于(yu)(yu)或稍大(da)(da)(da)于(yu)(yu)計算(suan)(suan)所得的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)。 此外(wai)．最常用的(de)(de)(de)是(shi)類(lei)比(bi)法來選(xuan)擇(ze)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)。所謂(wei)類(lei)比(bi)法。就(jiu)是(shi)與類(lei)似生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)所用倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)進(jin)行(xing)對(dui)(dui)比(bi)。 具體做法是(shi)：了解本單位(wei)或附(fu)近其他(ta)單位(wei)的(de)(de)(de)類(lei)似生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)使(shi)(shi)用多大(da)(da)(da)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)，然(ran)后選(xuan)用相近功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)進(jin)行(xing)試車(che)。試車(che)的(de)(de)(de)目的(de)(de)(de)是(shi)驗證(zheng)所選(xuan)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)與生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)是(shi)否匹配。 驗證(zheng)的(de)(de)(de)方法是(shi)：使(shi)(shi)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)帶動(dong)(dong)(dong)(dong)(dong)生產(chan)機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)運(yun)轉(zhuan)(zhuan)，用鉗形(xing)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)表(biao)測量倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)工作電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，將(jiang)測得的(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)與該倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)銘(ming)(ming)牌上(shang)標(biao)出(chu)(chu)(chu)的(de)(de)(de)額定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)進(jin)行(xing)對(dui)(dui)比(bi)。如(ru)(ru)果電(dian)(dian)(dian)(dian)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)機(ji)(ji)(ji)(ji)的(de)(de)(de)實(shi)(shi)際(ji)(ji)工作電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)與銘(ming)(ming)脾上(shang)標(biao)出(chu)(chu)(chu)的(de)(de)(de)額定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)上(shang)下(xia)(xia)相差不大(da)(da)(da)．則(ze)表(biao)明(ming)(ming)所選(xuan)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv) 合適。如(ru)(ru)果倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)實(shi)(shi)際(ji)(ji)工作電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)比(bi)銘(ming)(ming)牌上(shang)標(biao)出(chu)(chu)(chu)的(de)(de)(de)額定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)低70％左右．則(ze)表(biao)明(ming)(ming)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)選(xuan)得過(guo)(guo)大(da)(da)(da)，應(ying)調換功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)較小(xiao)的(de)(de)(de)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)。如(ru)(ru)果測得的(de)(de)(de)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)工作電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)比(bi)銘(ming)(ming)牌上(shang)標(biao)出(chu)(chu)(chu)的(de)(de)(de)額定(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)大(da)(da)(da)40％以(yi)(yi)(yi)上(shang)．則(ze)表(biao)明(ming)(ming)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)選(xuan)得過(guo)(guo)小(xiao)，應(ying)調換功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)較大(da)(da)(da)的(de)(de)(de)倉(cang)(cang)(cang)(cang)(cang)(cang)壁(bi)(bi)(bi)(bi)(bi)(bi)(bi)(bi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)(qi)。 實(shi)(shi)際(ji)(ji)上(shang)應(ying)該是(shi)考慮(lv)扭(niu)矩（轉(zhuan)(zhuan)矩），電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)和(he)轉(zhuan)(zhuan)矩計算(suan)(suan)公式(shi)(shi)。 即 T = 9550P/n 式(shi)(shi)中： P — 功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)，kW； n — 電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)額定(ding)(ding)轉(zhuan)(zhuan)速，r/min； T — 轉(zhuan)(zhuan)矩，Nm。 電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)輸(shu)出(chu)(chu)(chu)轉(zhuan)(zhuan)矩一定(ding)(ding)要(yao)(yao)大(da)(da)(da)于(yu)(yu)工作機(ji)(ji)(ji)(ji)械(xie)(xie)(xie)所需(xu)要(yao)(yao)的(de)(de)(de)轉(zhuan)(zhuan)矩，一般需(xu)要(yao)(yao)一個安全系數(shu)。