Nidec Servo KV42 and KF42 Hybrid stepper motors

Nidec Servo introduced their new Nema17 sized bipolar (Flange=42mm) stepper motor family under the product code KV42 and KF42. 

With the KV42 and KF42 Nidec Servo (represented by Dynetics) has increased their family of Hybrid-stepper motors with an angle of step of 1,8°. Thanks to the optimized design of the rotor, the supplier managed to realize a more compact size of the motor.  Compared with equivalent type of stepper motors in the industry, both families of the improved stepper motors enable them to realize a much higher performance within a more compact housing. 

Instead of the previous length of 48 mm these motors only show a length of 42 mm. The motors with previous length of 42mm are reduced to 39mm, etc. The KF42 even realizes a higher torque-level.

Further advantages are:

  • Higher maximum torque 
  • Higher stall torque 
  • Higher speed
  • Minimum level of noise
  • Precision windings, outstanding stiffness
  • Improved dynamics
  • 5 different sizes

With these upgrades, the stepper motor family KV42 and KF42 show the highest level of power density in their class. The motors are available with connector or free cable ends. At customers request the supplier also accepts different mechanical upgrades.


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