>> P.440
●가속에필요한토크의계산ㆍ부하토크TLℓ2πηTL=TS+μWgㆍ=0.08+0.01×30×9.8×≒0.09Nㆍm0.012×π×0.9ㆍ가속토크Taℓ2π0.012×π≒7.60×10-5kgㆍm2JL=Wㆍ()2=30×()2N=V×=0.3×=1800min-1Ta=(JT+JM+JC+JL)ㆍ=(0.93+0.380+0.290+7.60)×10-5×≒0.09Nㆍm2πN60ta60ℓ0.01602×π×180060×0.2ㆍ가속에필요한토크TPTP=TL+Ta=0.09+0.09=0.18Nㆍm여기서,TP×k(안전계수)가모터의출력토크TM보다작은것을확인합니다.이값을초과하는경우는,최고속도나가감속시간의재검토를시행하여주십시오.검토중의운전패턴은,아래와같이출력토크TM보다작은값이됩니다.TM=0.318×3≒0.95NㆍmTP×k=0.18×1.3=0.23Nㆍm<TM●실효토크의검토ㆍ실효토크TrmsTrms==TP2×ta+(TP-2×TL)2×ta+TL2×tct0.232×0.2+(0.23-2×0.09)2×0.2+0.092×0.82.0수평사용30kg300mm300mm/s0.2s0.8s2.0s시간s시간s■운전패턴의검토예AC서보모터를사용하는경우●사용조건취부방법탑재질량스트로크이동속도(설정속도)가감속시간정속이동시간1싸이클시간WLVtatct스트로크300mmTa300속도mm/sTPTL토크N.m0.20.80.22.0●위치결정테이블의가선정ℓTU60S49/AT103G10S03를가선정.기본사양볼스크류의리드스트로크최고속도기동토크테이블관성커플링관성TSJTJC≒0.09Nㆍm모터정격토크는,실효토크Trms보다크기때문에,검토중의운전패턴에서의연속사용이가능하다라고판단가능합니다.10mm300mm500mm/s0.08Nㆍm0.93×10-5kgㆍm20.290×10-5kgㆍm2●모터사양사용AC서보모터정격토크모터관성SGMAV-01A0.318Nㆍm0.380×10-5kgㆍm2JMⅢ-28
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