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 | |||
20H024H-0204 | Bipolar | 4.4 | 0.2 | 22 | 6 | 1.4 | 0.1 | 4 | 1.8 | 0.04 | 24 |
20H028H-0204 | 4.8 | 0.2 | 24 | 8 | 1.8 | 0.13 | 2.5 | 0.05 | 28 | ||
20H033H-0604 | 3.6 | 0.6 | 6 | 2.2 | 2.5 | 0.18 | 2.9 | 0.07 | 33 | ||
20H038H-0604 | 6 | 0.6 | 10 | 5.5 | 5.6 | 0.4 | 3.3 | 0.08 | 38 | ||
20H045H-0604 | 7.2 | 0.6 | 12 | 6.8 | 6.1 | 0.44 | 3.8 | 0.1 | 45 | ||
20H048H-0604 | 8.1 | 0.6 | 13.5 | 7.2 | 6.7 | 0.48 | 4 | 0.11 | 48 | ||
Features of 20H NEMA8 2Phase 1.8°
Small size, high smoothness, small inertia
Related Names
Small Sized High Torque Step Motor for Science Instrument | Optical Instrument Used Two Phase Stepping Motor | Hybrid Stepper Motor for Medical Scanning Device
Application for 20H NEMA8 2Phase 1.8°
Scientific instrument industry: Optical instrument
Medical industry: Scanning equipment
Communication equipment industry: Mobile Satellite TV
Stepper Motor Application
Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:
Printers
CNC machines
3D printer/prototyping machines (e.g. RepRap)
Laser cutters
Pick and place machines
Linear actuators
Hard drives
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