Features of 57H NEMA23 2Phase 1.8°
High precision, smooth running, low noise
Application for 57H NEMA23 2Phase 1.8°
Textile industry: Flat knitting machine, circular knitting machine, bobbin winder
Industrial automation industry: Semiconductor testing equipment, winding machine, stripping machine
Bank equipment: ATM
Water treatment industry: Screw pump
Medical industry: Biochemical analyzer, blood cell analyzer
Advertising industry: Laser machine, engraving machine, marking machine, inkjet printer
Others: Metro fare collection system, etc.
Technical Parameter
Item | Specifications | |||
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 | -10°C~+50°C | |||
Insulation Resistance | 100MΩMin.@ 500VDC | |||
Dielectric Strength | one minute @ 500VAC·5mA | |||
Shaft Radial Play | 0.06Max. @ 450g | |||
Shaft Axial Play | 0.08Max. @ 450g |
Technical Specification
Model No. | Polar | Rated Voltage | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | #Of leads | Rotor Inertia | Weight | Length | |
V | A | Ω | mH | oz-in | kg·cm | g·cm² | kg | mm | |||
57H041H-2804 | Bipolar | 2 | 2.8 | 0.7 | 1.4 | 72.2 | 5.2 | 4 | 120 | 0.47 | 41 |
57H051H-2804 | 2.3 | 2.8 | 0.83 | 2.2 | 118 | 8.5 | 275 | 0.65 | 51 | ||
57H055H-2804 | 2.5 | 2.8 | 0.9 | 2.5 | 142.8 | 10.2 | 300 | 0.7 | 55 | ||
57H076H-2804 | 3.2 | 2.8 | 1.13 | 3.6 | 238 | 17 | 480 | 1 | 76 | ||
57H041H-1006 | Unipolar | 5.7 | 1 | 5.7 | 5.4 | 55 | 3.9 | 6 | 120 | 0.47 | 41 |
57H041H-2006 | 2.8 | 2 | 1.4 | 1.4 | 55 | 3.9 | |||||
57H051H-1006 | 6.6 | 1 | 6.6 | 8.2 | 100 | 7.2 | 275 | 0.65 | 51 | ||
57H051H-2006 | 3.3 | 2 | 1.65 | 2.2 | 100 | 7.2 | |||||
57H055H-1006 | 7.4 | 1 | 7.4 | 12.5 | 114.8 | 8.2 | 300 | 0.7 | 55 | ||
57H055H-2006 | 3.6 | 2 | 1.8 | 2.5 | 114.8 | 8.2 | |||||
57H076H-1006 | 8.6 | 1 | 8.6 | 14 | 189 | 13.5 | 480 | 1 | 76 | ||
57H076H-2006 | 4.5 | 2 | 2.25 | 3.6 | 189 | 13.5 |