Direct Drive Servo Motors
Solution Motor RDB- Base Speed
(RPM) Max Speed (RPM) Continuous Stall
Torque (Nm)
Peak Stall Torque
(Nm)
Motor Rated
Output kW
Avg. Power
(kW)
Speed at
Rated Output
(RPM)
Rotor Inertia
(kg-m^2)
Inertia
Mismatch
Motor Weight
(kg)
Price with
Single-Turn
Encoder ($)
Gearbox Gear Ratio
Cost Effective B21539 750 1250 53.7 143 5.34 2.33 1250 0.0157 53.0 29.5 6050 NA NA
Lowest Inertia B29029 750 1200 98 214 4.05 2.67 632 0.047 17.7 42.7 8680 NA NA
Lowest Power B2153C 1500 2250 53.7 143 5.87 2.32 1772 0.0157 53.0 29.5 6050 NA NA
Solution Motor MPM- Base Speed
(RPM) Max Speed (RPM) Continuous Stall
Torque (Nm)
Peak Stall Torque
(Nm)
Motor Rated
Output kW
Avg. Power
(kW)
Speed at
Rated Output
(RPM)
Rotor Inertia
(kg-m^2)
Inertia
Mismatch
Motor Weight
(kg)
Price with Multi-
Turn Encoder
($)
Gearbox Gear Ratio
Cost Effective B2152C 1500 2500 36.7 72.3 5.6 2.53 2000 0.008165 8.3 NA 4290* C102-0022MT2 2:1
Lowest Inertia B2153F 3000 3800 45 99 7.2 2.9 2000 0.02254 3.2 NA 5310* C202-0034MT3 3:1
Linear Torque Curve B2152C 1500 2500 36.7 72.3 5.6 2.62 2000 0.008165 8.25 NA 4290* C202-0022MT3 2:1
Lowest Average Power B2154E 2250 3000 56 112 7.5 2.34 2000 0.02449 33.97 NA 6000* NA NA
Solution Motor MPL- Base Speed
(RPM) Max Speed (RPM) Continuous Stall
Torque (Nm)
Peak Stall Torque
(Nm)
Motor Rated
Output kW
Avg. Power
(kW)
Speed at
Rated Output
(RPM)
Rotor Inertia
(kg-m^2)
Inertia
Mismatch
Motor Weight
(kg)
Price with Single
-Turn Encoder
($) Gearbox Gear Ratio
Cost Effective B560F NA 3000 26.8 67.8 5.5 2.53 3000 0.00213 49.9 NA 3150 C202-0025MT3 2:1
Lowest Inertia Ratio B680H NA 3500 60 146.9 7.5 2.77 3500 0.00775 16.3 NA 5690* C202-0025MT3 2:1
Linear Torque Curve B980D NA 2000 158.2 260 18.6 2.42 2000 0.0354 23.5 NA >5690 NA NA
Lowest Average Power B860D NA 2000 83 152.5 12.5 2.32 2000 0.0169 49.23 NA >5690 NA NA
Planned Rollers will be ~65 kg at 440 mm length and 0.32 mm diamter so an inertia of about 0.832 kg-m^2
Inertia Mismatch on DS264 was about 7.23
MP Series Medium Inertia Servo Motors 56 Solutions Avaliable C-series Gearboxes from Stober
*Price Approximated
MP Series Low Inertia Servo Motors 31 Solutions Avalliable C-series Gearboxes from Stober
