Printed Armature DC Servo Motors B Series

Performance Figures Of Printed Armature DC Servo Motors B Series

MOTOR RATINGS (1&2) SYBOL UNIT B9M4 B12M4 B12M4H B9M4T* B12M4T* B12M4HT*
Rated Torque To Ncm 34 85 112 30 80 97
Rated Speed N RPM 3000 3000 3000 3000 3000 3000
Rated Output (3) W Watts 106 268 350 94 250 305
Rated Voltage V Volts 24.1 43.4 63.5 22.9 40.4 56.5
Rated Current I Amps 8.71 8.8 8 8.63 8.7 8
Max. Current at very low speed Icc Amps 6.81 8.13 8.1 6.81 8.13 8.1
Peak Torque (4) Tp Ncm 306 861 1380 283 843 1208
Peak Current Ip Amps 72 84.5 84.5 72 84.5 84.5
Max. speed with no external load Nmax RPM 5000 5000 5000 5000 5000 5000
Motor Constants                
Back EMF Constant Ke Volts/KRPM 4.85 11.55 15.82 4.5 10.6 13.82
Torque Constant Kt Ncm/Amps 4.72 11.25 15.01 4.37 10.39 13.55
Damping Constant Kd Ncm/KRPM 0.94 2.2 3.8 0.94 2.2 3.8
Friction Torque Tf Ncm 3.13 4.3 5 3.2 4.3 5
Terminal Resistance Rt Ohms 0.85 0.75 0.75 0.85 0.75 0.75
Armature Inductance La Micro-H <100 <100 <100 <100 <100 <100
Moment of Inertia Jm gm-cm2 395 1342 1480 586 1837 1910
Mech. Time Constant Tm Milli-sec 11.97 6.68 2.88 20.52 10.84 4.82
Ele. Time Constant Te Micro-sec <150 <160 <160 <150 <160 <160
Motor Diameter D mm 115 145 145 115 145 145
Motor Length (excl shaft) L mm 55 55 70 57 57 72
Weight Wt. Kg 2.3 3.6 5 2.3 3.6 5
        B9M4T*
Tacho
B12M4T*
Tacho
B12M4HT*
Tacho
Tachogenerator Characteristics Unit B12T B9T
Output Voltage Volts/100 RPM 6 3 2.25 5.3 6.4
Ripple content (Max.) % 3 3 3.5 3.5 3.5
Linearity of output Voltage (Ref. 3600 RPM) % 0.05 0.05 0.11 0.11 0.11
By directional Tolerance % 1.5 1.5 1 1 1.5
Temp. Coe. of Voltage % per Deg. C 0.02 0.02 -0.02 -0.02 -0.02
Minimum Load Resistance Recommended Ohms 1000 1000 370 494 494
  • Mounting on metal plate with thermal insulation (200 x 200 x 10mm) and pure DC Supply, ambient temperature, 0 deg C to 40 deg C, for motors up to 300 Watts
  • Mounting on metal plate with thermal insulation (400 x 400 x 10mm) and pure DC supply, ambient temperature, 0 deg C to 40 deg C for motors above 300 Watts
  • Motors normally used in a large variable speed range. Extended duty at rated output not recommended.
  • Allowed cycle S3 - 50ms, 1%

* This motor is having inbuilt Tachogenrator.

Product type
Printed Armature DC Servo Motors