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Autonics Indonesia Website - Sensor, Proximity Sensor, Photo sensor,Temperature Controller, Counter, Timer
Stepper Motor
Seri AK-RB Print
Motion Devices
Stepper Motor 5-Fasa Tipe Rotary Actuator + Brake Built-in
The shaft type 5-phase stepper motors AK Series, deliver reliable performance at low costs. The motors will satisfy users looking for motors with high precision, speed, and torque. The AK-RB Series are rotary acutator shaft type stepper motors with built-in brakes offering higher torque and with greater installation flexibility and more stable and safe user operation.

Main features

● Compact design and light weight with high accuracy, speed and torque
● Cost-effective
● Backlash
: □42mm - ±35' (0.58°), □60mm - ±20' (0.33°), □85mm - ±15' (0.25°)
● Brake force is released when applying power on brake wire.(24VDC non-polar type)
● Basic step angle
: 1:5 - 0.144°,1:7.2 - 0.1°,1:10 - 0.072
● Allowable speed
: 1:5 - 0 to 360rpm, 1:7.2 - 0 to 250rpm, 1:10 - 0 to 180rpm


• 60-square

Model Rotary actuator type+ Brake built-in type A35K-M566-RB5 A40K-M566-RB7.2 A50K-M566-RB10
Max. holding torque 35kgf·cm(3.5N·m) 40kgf·cm(4.0N·m) 50kgf·cm(5.0N·m)
Moment of rotor inertia 280g·cm2 (280x10-7 kg·m2)
Rated current 1.4A/Phase
Basic step angle 0.144° / 0.072°(Full/Half step) 0.1° / 0.05°(Full/Half step) 0.072° / 0.036°(Full/Half step)
Gear ratio 1 : 5 1 : 7.2 1 : 10
Allowable speed range 0 to 360rpm 0 to 250rpm 0 to 180rpm
Backlash[mln] ±20' (0.33°)
Electro magnetic brake Rated excitation voltage 24VDC(non-polarity)
Rated excitation current 0.33A
Static friction torque Min. 4kgf·cm
Rotation part Inertia 2.5x10-6 kgf·cm2
Operating time Max. 22ms
Releasing time Max. 37ms
Absolute position error※1 ±20 minute(0.33°)
Lost motion※1 ±20 mlnute(0.33°)
Insulation class CLASS B type(130°C)
Insulation resistance Min. 100MΩ(at 500VDC megger) between motor coil-case
Dielectric strength 1Min. at 1kVAC 50/60Hz between motor coil-case
Environ -ment Ambient temperature -10 to 50°C, storage: -25 to 85°C
Ambient humidity 35 to 85%RH, storage: 35 to 85%RH
Protection IP30(IEC34-5 standard)
Unit weight Rotary actuator+Brake type: 1.8kg
※1: It is only available for rotary actuator type.
※ Environment resistance is rated at no freezing of condensation.