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25.09.2014 | We invite you to visit our stand at the exhibition "Mashex-2014"!

Get an e-ticket to the exhibition "Mashex-2014"Dear Partners and Clients!

We invite you to visit our stand №C261, hall №3 at the 17th international exhibition of equipment and technologies of metalworking and working of composite materials "Mashex-2014", which will be organized from 28 to 31 October in the exhibition center "Crocus Expo", pavilion №1, Moscow, Russia.

24.09.2014 | We invite you to visit our stand at the exhibition "Stankostroenie-2014"!

Get an e-ticket to the exhibition "Stankostroenie-2014"Dear Partners and Clients!

We invite you to visit our stand №В222 , pavilion №1, hall №2 at the international specialized exhibition "Stankostroenie-2014", which will be organized from 14 to 17 October, 2014 in the exhibition center "Crocus Expo" (Moscow, Russia).



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Stepper motors of ZK42HM series


Hybrid stepper motors of ZK42HM series are used in medical and scientific research equipment (analyzers of the blood cells, liquid feed units, biochemical analyzers), and also in the marking machines, ATMs and lighting equipment. Characterized by a high output torque, high resolution, high-precision positioning, low vibration level.

Lineup of ZK42HM series

 Model
Rated voltage, V Current/phase, A Resistance/phase, Ohm Inductance/phase, mH Holding torque, kg×cm Number of leads Number of phases Rotor inertia, kg×m2 Weight, kg Length, mm
ZK42HM40-2004A  2.0 2.0 1.0 2.8 3.2 4 2 55.0×10-7 0.24 40
ZK42HM48-2004A  2.2 2.0 1.1 3.0 4.0 4 2 76.0×10-7 0.35 48

Main technical characteristics of ZK42HM series

Parameter Specifications
Step angle 0.9°
Step angle accuracy ±5% (full step, no load)
Resistance accuracy ±10%
Inductance accuracy ±20%
Temperature rise 80°C max. (rated current, 2 phase on)
Ambient temperature -20°C ~ +50°C
Insulation resistance 100 MOhm min., 500 VDC
Dielectric strength 500 VAC for one minute
Radial play 0.02 mm. max. (450 g-load)
Axial play 0.08 mm. max. (450 g-load)
Radial force 28 N max. (20 mm. from the flange)
Axial force 10 N max.
Holding torque 3.2 ~ 4.0 kg×cm
Current/phase 2.0 А

Ordering information for ZK42HM series

ZK 42 НМ 40 - 200 4 A
ZK - stepper motor Flange size Motor type Motor case length Current per phase Number of leads Shaft type
  42 42 mm HM with step angle 0.9° 40 40 mm
48 48 mm
200 2 А
4 leads
A single

Dimensions of ZK42HM series

Wiring diagram