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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NEMA 8(inch)-20BH (mm)Series two-phase (four-phase ) stepper motor
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
|
Item |
pecifications |
|
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) |
The 20BH Series stepper motor parameter list NEMA 8BH (inch) series step-motor parameter list
| Technical parameters: | |||||||||||
| New Model | Old Model | No.of Phase | Voltage | Current | Inductance | Resistance | Holding Troque | Rotor Inertia | Weight | Length |
Lead Wire Num ber |
| 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 | |