Changzhou Chuangwei Motor & Electric Apparatus Co., Ltd,
Changzhou Chuangwei Motor & Electric Apparatus Co., Ltd. Specializes in production and development of step motor and driver
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20BH NEMA 8 2 Phase 4 Hybrid Hybrid Stepper Motor with CE ISO9001 Certificates for Robot
Description:
Small size NEMA8 20mm hybrid stepping motor
Model: NEMA8, 20BH, 20BYG
Phase: 2phase or 4 phase
Stepper Angle: 1.8º
L ow Current
Small Holding Torque
Lead wire no.: 4 or 6 wires
Speed: low or high speed
Shape: Square
Key words:
20mm stepper motor
20mm stepping motor
NEMA 8 STEPPER MOTOR
NEMA 8 STEPPING MOTOR
HYBRID STEPPER MOTOR
Model: NEMA8, 20BH, 20BYG
Phase: 2phase or 4 phase
Stepper Angle: 1.8º
Lead wire no.: 4 or 6 wires
Shape: Square
Application:
Our application fields refer to robot, music fountain, industrial electronic automation equipment, medical
instrument, advertising equipment, stage lighting equipment, printer, textile machinery, external applicable
equipment of computer,etc.
The motors are qualified with the CE certificate and ISO9001
The motors can be designed according to the customers requirements
| Item | Specifications |
| Step Angle | 1.8º |
| Step Angle Accuracy | ±5% |
| Resistance Accuracy | ±10% |
| Inductance Accuracy | ±20% |
| Temperature Rise | 80℃ Max. |
| Ambient Temperature | -20℃~+50℃ |
| Insulation Resistance | 100MΩ Min.,500VDC |
| Dielectric Strength | 500VAC for one minute |
| Shaft Radial Play | 0.02Max.(450 g-load) |
| Shaft Axial Play | 0.08Max.(450 g-load) |
| 20BH (mm)NEMA 8BH(inch) series step-motor parameter list | |||||||||||
| Technical Parameters: | |||||||||||
| New Model | Old Model | No.of Phase | Voltage | Current | Inductance | Resistance |
HoldingTroque |
Rotor Inertia |
Weight | Length |
Lead Wire Number |
| V | A | mh±20％ | Ω±10％ | kg.cm | g.cm² | kg | mm | NO. | |||
| 20BH28-020A-10 | 20BYG102C-04 | 2 | 4.8 | 0.2 | 8 | 24 | 0.17 | 2 | 0.1 | 28 | 4 |
| 20BH28-026A-01 | 20BYG101-02 | 2 | 16.9 | 0.26 | 15 | 65 | 0.2 | 2 | 0.1 | 28 | 4 |
| 20BH28-026B-01 | 20BYG101-27 | 4 | 16.9 | 0.26 | 15 | 65 | 0.2 | 2 | 0.1 | 28 | 6 |
| 20BH28-050B-01 | 20BYG102-04 | 4 | 5.75 | 0.5 | 1.7 | 11.5 | 0.18 | 2 | 0.1 | 28 | 6 |
| 20BH28-060A-01 | 20BYG102B-20 | 2 | 3.6 | 0.6 | 1.7 | 6 | 0.18 | 3.6 | 0.1 | 28 | 4 |
| 20BH30-060A-01 | 4 | 3.9 | 0.6 | 1.7 | 6.5 | 0.18 | 2 | 0.06 | 30 | 4 | |
| 20BH33-060A-03 | 2 | 3.9 | 0.6 | 1.7 | 6.5 | 0.18 | 2 | 0.06 | 33 | 4 | |
| 20BH42-0804-01 | 2 | 4.32 | 0.8 | 1.5 | 5.4 | 0.3 | 3.6 | 0.08 | 42 | 4 | |