导轨丝杠传动的伺服电机选型表

伺服电机选型（导轨丝杠传动-水平）,,,,,,,伺服电机选型（导轨丝杠传动-竖直）,,,,,,

已知量,,,,,,,已知量,,,,,,

负载质量M,,15,kg,,,,负载质量M,,15,kg,,,

滚珠丝杠节距P,,5,mm,,,,滚珠丝杠节距P,,5,mm,,,

滚珠丝杠直径D,,10,mm,,,,滚珠丝杠直径D,,10,mm,,,

滚珠丝杠质量MB,,0.3635,kg,,,,滚珠丝杠质量MB,,0.3635,kg,,,

滚珠丝杠摩擦系数μ,,0.003,,,,,导向面阻力f,,15,N,,,

减速比G,,1,,,,,减速比G,,1,,,,

减速器转动惯量JG,,0,kg.m2,,,,减速器转动惯量JG,,0,kg.m2,,,

联轴器转动惯量JC,,0,kg.m2,,,,联轴器转动惯量JC,,0,kg.m3,,,

加速度a,,15,m/s2,,,,加速度a,,15,m/s2,,,

机械效率η,,0.8,,,,,机械效率η,,0.8,,,,

负载移动速度V,,175,mm/s,,,,负载移动速度V,,175,mm/s,,,

行程L,,50,mm,,,,行程L,,50,mm,,,

行程时间tS,,0.29,s,加速距离,1.02E+00,,行程时间tS,,0.29,s,加速距离,1.02E+00,

加速时间tA,,0.01,s,匀速距离,4.59E+01,,加速时间tA,,0.01,s,匀速距离,4.59E+01,

匀速运行时间,,0.26,s,,,,匀速运行时间,,0.26,s,,,

减速时间tB,,0.01,s,,,,减速时间tB,,0.01,s,,,

电机停止时间,,0.01,s,,,,电机停止时间,,0.01,s,,,

定位精度AP,,0.01,mm,,,,定位精度AP,,0.01,mm,,,

丝杠予压扭矩Tp,,0,N.m,,,,丝杠予压扭矩Tp,,0,N.m,,,

计算量,,,,,,,计算量,,,,,,

转动惯量,,,,,,,转动惯量,,,,,,

滚珠丝杠的转动惯量JB=,,4.54E-06,kg.m2,,,,滚珠丝杠的转动惯量JB=,,4.54E-06,kg.m2,水平与竖直的区别在于负载转矩上,,

负载的惯量JW=,,1.41E-05,kg.m2,,,,负载的惯量JW=,,1.41E-05,kg.m2,水平负载转矩计算时负载力为负载与丝杠间摩擦力,,

换算到电机轴负载惯量JL=,JL=JW+JC+JG,1.41E-05,kg.m2,,,,换算到电机轴负载惯量JL=,JL=JW+JC+JG,1.41E-05,kg.m2,竖直负载转矩为负载重力,,

转矩,,,,,,,转矩,,,,,,

对摩擦力的转矩Tw,,4.39E-04,N.m,这里需要考虑滚珠丝杠的予压扭矩,,,驱动转矩Tw,,1.61E-01,N.m,计算总负载扭矩需要考虑滚珠丝杠的予压扭矩！！！,,

换算到电机轴负载转矩TL=Tw+Tp,,4.39E-04,N.m,,,,换算到电机轴负载转矩TL=Tw+Tp,,1.61E-01,N.m,,,

转速,,,,,,,转速,,,,,,

转数N,N=(60*V)/(P*G),2100,r/min,,,,转数N,N=(60*V)/(P*G),2100,r/min,,,

电机预选,,,,,,,电机预选,,,,,,

选定电机的转子·惯量为负载的1/3*以上的电机,JM≥JL/3,4.68E-06,kg.m2,,,,选定电机的转子·惯量为负载的1/3*以上的电机,JM≥JL/3,4.68E-06,kg.m2,,,

"选定电机的额定转矩×0.8

比换算到电机轴负载转矩

大的电机N.m",TMx0.8＞TL,5.49E-04,N.M,,,,"选定电机的额定转矩×0.8

比换算到电机轴负载转矩

大的电机N.m",TMx0.8＞TL,2.02E-01,N.M,,,

初步选定电机转动惯量为Jm,,5.00E-06,kg.m2,,,,初步选定电机转动惯量为Jm,,5.00E-06,kg.m2,,,

最大扭矩,,2,N.m,,,,最大扭矩,,2,N.m,,,

初步选定电机额定转矩为Tm,,0.6,N.m,,,,初步选定电机额定转矩为Tm,,0.6,N.m,,,

电机转速,,5000,r/min,,,,电机转速,,5000,r/min,,,

加速度转矩,,,,,,,加速度转矩,,,,,,

加速转矩TA,,4.25E-01,N.m,,,,加速转矩TA,,4.25E-01,N.m,,,

减速转矩TB,,4.25E-01,,,,,减速转矩TB,,4.25E-01,,,,

瞬时最大转矩为T1,T1=TA+TL,4.26E-01,N.m,,,,瞬时最大转矩为T1,T1=TA+TL,5.86E-01,N.m,,,

,T2=TL,4.39E-04,N.m,,,,,T2=TL,1.61E-01,N.m,,,

,T3=TL-TB,-4.25E-01,N.m,,,,,T3=TL-TB,-2.64E-01,N.m,,,

有效转矩Trms为,,9.61E-02,N.m,,,,有效转矩Trms为,,1.17E-01,N.m,,,

电机校核,,,,,,,电机校核,,,,,,

负载惯量JL,1.41E-05,kg.m2,≦[电机转子惯量JM,,1.50E-05,kg.m2,负载惯量JL,1.41E-05,kg.m2,≦[电机转子惯量JM,,1.50E-05,kg.m2

,[适用的惯量比=3],TRUE,,,,,,[适用的惯量比=3],TRUE,,,,

有效转矩Trms,9.61E-02,N.m,﹤[电机的额定转矩,,0.48,N.M,有效转矩Trms,1.17E-01,N.m,﹤[电机的额定转矩,,0.48,N.M

,按80%比例计算,TRUE,,,,,,按80%比例计算,TRUE,,,,

瞬时最大转矩T1,4.26E-01,N.m,﹤[电机的最大转矩,,1.60,N.M,瞬时最大转矩T1,5.86E-01,N.m,﹤[电机的最大转矩,,1.60,N.M

,按80%比例计算,TRUE,,,,,,按80%比例计算,TRUE,,,,

必要的最大转数N,2100,r/min,≦[电机的额定转数,