20BY45 20mm diameter permanent magnet PM 18° step angle stepper motor
Description:
For this 20BY45 motor, 20 means motor’s diameter is 20mm, and 45 means it take 4*5=20 steps to rotate one turn.
This 20mm permanent magnet stepper motor has 18 degree step angle.
This motor has high reliability and low price, also its torque is higher compared to 15mm motors.
Thus this motor is commonly used on electrical products such as printers.
Standard output shaft is 9mm length round shaft.
If customers want to adjust shaft’s length or change motor’s length to lead screw, we are able to do that. (M3 lead screw is what we commonly use)
Motor parameters:
| Motor type | Bipolar | Resistance | 100Ω/phase | Step angle | 18°/step |
| Voltage | 12V DC | Output shaft | 9mm (customizable) | Driving mode | 2-2 |
| Max Starting frequency | 900Hz(Min) | Max response frequency | 1200Hz(Min) | Pull-out torque | 25 g*cm (600 PPS) |
Design drawing:
Product display:
Application of stepper motors:
Stepper motors are used for precise control, widely used on medical equipment, 3D printer, industrial precise control, automation equipment, etc.
Stepper motors can be used in any mechanisms requirement precise conrtol and rotational/linear movement.
Advantage of stepper motors:
Stepper motor can reach precise control even without close-loop encoders / without feed back system, also they do not have electrical brushed. Thus there is no electromagnetic interference and electrical sparks issues. In some cases, they can replace DC brushed motors/ brushless motors.
Stepper motors are easy to control with drivers, and this feature establish its important position in the field of precise control.
1. Precise control achievable, programmable
2. Without electromagnetic interference & electrical sparks
3. Small size
4. Reasonable price
5. Low noise
6. Long service life
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20BY45 20mm Permanent Magnet Stepper Motor PM 18° Step Angle Stepper Motor Images
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