25.09.2014 | We invite you to visit our stand at the exhibition "Mashex-2014"!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"!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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Two-phase hybrid stepper motors of ZK28HS series with the high torque are used in computed tomography, biochemical analyzers, hematology analyzers and other medical equipment, and communication devices. Characterized by a high accuracy, low inertia moment and small size.
Lineup of ZK28HS 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 | |
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ZK28HS28-0804A | 2.0 | 0.80 | 2.5 | 1.6 | 0.45 | 4 | 2 | 8.0×10-7 | 0.095 | 28 |
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ZK28HS45-0504A | 3.4 | 0.50 | 6.8 | 4.8 | 0.75 | 4 | 2 | 12.0×10-7 | 0.14 | 45 |
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ZK28HS51-0804A | 4.0 | 0.80 | 4.9 | 3.3 | 1.0 | 4 | 2 | 18.0×10-7 | 0.18 | 51 |
Main technical characteristics of ZK28HS series
Parameter | Specifications |
Step angle |
1.8° |
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 | 0.45 ~ 1.0 kg×cm |
Current/phase |
0.5 ~ 0.8 А |
Ordering information for ZK28HS series
ZK | 28 | HS | 28 | - 050 | 4 | A |
ZK - stepper motor | Flange size | Motor type | Motor case length | Current per phase | Number of leads | Shaft type |
28 28 mm | HS with high torque | 28 28 mm 45 45 mm 51 51 mm |
050 0.5 А 080 0.8 А |
4 4 leads | A single |
Dimensions of ZK28HS series
Wiring diagram
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