B26F

Servomotor type B26 with servo-fan.

High dynamic servomotors with forced air cooling. Mechanics with flange in square case of 200mm and 4 body lengths. Stall torque in service S1air force cooled from 122 to  445Nm.

Electrical specification

Version for 400VAC power supply
 Symbol  U.mis. B26S/F B26M/F B26L/F B26G/F
drive power supply voltage  
400VAC
Stall torque at 100K Dt
To Nm 122 232 338 442
Stall torque at 65K Dt
 To Nm 99 186 273 356
Rated speed n RPM 1000 2000 3000  1000 2000 3000 1000 2000 3000  1000 2000 3000
Power at rated speed at 100K Dt  Pn KW
12.8 24.4 35.1 23.8 46.2 62.8 34.2 64.3 86.3 44.2 82.1 108.3
Torque at rated speed at 100K Dt Tn
Nm
122 117 112 227 221 200 326 308 275 411 393 345
Peak torque with S.i.R.10% Tpk
Nm
333 638 931 1241
Accelertation referred to the peak torque
 apk rad/s2
15149 17733 19007 19271
Acceleration referred to the peak torque (motor with brake)
 apkb rad/s2
11000 14400 15000 16000
Poles  PN   6
Winding resistance 20°C phase/phase Rw
Ohm
1.06 0.28 0.12 0.36 0.07 0.04 0.20 0.05 0.02 0.012 0.03 0.01
Inductance phase/phase 50Hz Lw
mH 21.6 5.39 2.40 10.80 2.13 1.20 7.19 1.80 0.80 4.26 1.06 0.60
EMF constant referred to 20°C Ke Vs 3.08 1.54 1.03 3.08 1.37 1.03 3.08 1.54 1.03 2.74 1.37 1.03
Torque constant Kt Nm/Arms 5.07 2.53 1.69 5.07 2.25 1.69 5.07 2.59 1.69 4.50 2.25 1.69
Rated voltage at 100°C  Vn V
394 378 372 380 329 361 374 363 355 330 320 351
Stall current at 100K Dt Io
 A 24 47 72 46 105 137 67 133 200 98 196 263
Rated speed current at 100K Dt In
 A 24 46 66 45 98 118 64 112 163 93 174 204
Peak current  Ipk  A 66 132 197 126 283 378 184 368 551 270 539 719
Demagnetization current Idm
 A 134 268 403 268 604 805 403 805 1208 604 1208 1610

Mechanical data

Motor type B26-F
 Symbol  U.mis. B26S/F B26M/F B26L/F B26G/F
Rotor inertia
 Jm gm2 22 36 49  63 
Rotor inertia ( motor with brake )
Jmb gm2  30.1 44.1  62  76 
Weight M Kg  55 85  116 146 
Weight (motor with brake ) Mb Kg  85 115  151  181 

Thermal features

Motor type B26-F
 Symbol  U.mis. B26S/F B26M/F B26L/F B26G/F
Operating temperature   °C 0÷40
Insulation class
  Winding class H - Motor class F
Cooling system
  Forced ventilation( IC416 )
Standard protection
  IP54

Brake specifications

Motor type B26-F
 Symbol  U.mis. B26S/F B26M/F B26L/F B26G/F
Brake type   °C 12 13
Static brake 100°C * Tb Nm 225 450 
Brake power at 20°C
Pb W 70
Coupling time
ms  180
Release time   ms 60
Voltage ±5%   VDC 24
Backlash   Arcmin 5
* torque obtained after running in