伺服電機選型計算表格

1、機械系統(tǒng)的決定,負(fù)載質(zhì)量M（kg）,10,滾珠絲杠節(jié)距P（mm）,15,滾珠絲杠直徑D（mm）,20,滾珠絲杠質(zhì)量MB（kg）,3,滾珠絲杠摩擦系數(shù),0.1,因無減速器，所以G=1、=1,1,動作模式的決定,速度(mm/s),單一變化,300,負(fù)載移動速度V（mm/s）,80,行程L（mm）,40,行程時間tS（s）,0.5,加減速時間tA（s）,0.2,0,定位精度AP（mm）,0.01,0.2,1,0.2,0.2,時間(s),換算到電機軸負(fù)載慣量的計算,滾珠絲杠的慣量JB=,0.00015,kg.m2,負(fù)載的慣量JW=,0.000207051,kg.m2,換算到電機軸負(fù)載慣量JL=JW,J

2、L=G2x(JW+J2)+J1,0.000207051,kg.m2,負(fù)載轉(zhuǎn)矩的計算,對摩擦力的轉(zhuǎn)矩Tw,0.015605096,N.m,換算到電機軸負(fù)載轉(zhuǎn)矩TL=Tw,0.015605096,N.m,旋轉(zhuǎn)數(shù)的計算,轉(zhuǎn)數(shù)N,N=60V/P.G,320,r/min,電機的初步選定選自O(shè)MNUC U系列的初步選定舉例,選定電機的轉(zhuǎn)子慣量為負(fù)載的1/30*以上的電機,JMJL/30,6.9017E-06,kg.m2,初步選擇定R88M-U20030(Jm=,0.0000123,選定電機的額定轉(zhuǎn)矩0.8比換算到電機軸負(fù)載轉(zhuǎn)矩大的電機N.m,TMx0.8TL,0.5096,1.6E-02,根據(jù)R88M-U

3、20030的額定轉(zhuǎn)矩Tm=,0.637,(N.m), 此值因各系列而異，請加以注意。,加減速轉(zhuǎn)矩的計算,加減速轉(zhuǎn)矩TA,0.037 ,N.m,瞬時最大轉(zhuǎn)矩、有效轉(zhuǎn)矩的計算,必要的瞬時最大轉(zhuǎn)矩為T1,T1=TA+TL,0.0523 ,N.m,T2=TL,0.0156 ,N.m,T3=TL-TA,-0.0211 ,N.m,有效轉(zhuǎn)矩Trms為,0.029 ,N.m,討論,負(fù)載慣量JL,2.07E-04,kg.m2,電機的轉(zhuǎn)子慣量JM,1.23E-05,適用的慣量比=30,條件滿足,有效轉(zhuǎn)矩Trms,0.029 ,N.m,電機的額定轉(zhuǎn)矩,0.5096,N.M,條件滿足,瞬時最大轉(zhuǎn)矩T1,0.0523 ,N.m,電機的瞬時最大轉(zhuǎn)矩,1.528,N.M,條件滿足,必要的最大轉(zhuǎn)數(shù)N,320,r/min,電機的額定轉(zhuǎn)數(shù),3000,r/min,條件滿足,編碼器分辨率R=P.G/AP.S,1500,(脈沖/轉(zhuǎn)),U