Nema 8 (20mm) hollow shaft stepper motors
>> Short Descriptions
| Motor Type | Bipolar stepper |
| Step Angle | 1.8° |
| Voltage (V) | 2.5 / 6.3 |
| Current (A) | 0.5 |
| Resistance (Ohms) | 5.1 / 12.5 |
| Inductance (mH) | 1.5 / 4.5 |
| Lead Wires | 4 |
| Holding Torque (N.m) | 0.02 / 0.04 |
| Motor Length (mm) | 30 / 42 |
| Ambient Temperature | -20℃ ~ +50℃ |
| Temperature Rise | 80K Max. |
| Dielectric Strength | 1mA Max. @ 500V, 1KHz, 1Sec. |
| Insulation Resistance | 100MΩ Min. @500Vdc |
>> Certifications
>> Electrical Parameters
|
Motor Size |
Voltage/ Phase (V) |
Current/ Phase (A) |
Resistance/ Phase (Ω) |
Inductance/ Phase (mH) |
Number of Lead Wires |
Rotor Inertia (g.cm2) |
Holding Torque (N.m) |
Motor Length L (mm) |
|
20 |
2.5 |
0.5 |
5.1 |
1.5 |
4 |
2 |
0.02 |
30 |
|
20 |
6.3 |
0.5 |
12.5 |
4.5 |
4 |
3 |
0.04 |
42 |
>> General technical parameters
|
Radial clearance |
0.02mm Max (450g load) |
Insulation resistance |
100MΩ @500VDC |
|
Axial clearance |
0.08mm Max (450g load) |
Dielectric strength |
500VAC, 1mA, 1s@1KHZ |
|
Max radial load |
15N (20mm from flange surface) |
Insulation class |
Class B (80K) |
|
Max axial load |
5N |
Ambient temperature |
-20℃ ~ +50℃ |
>> 20HK2XX-0.5-4B motor outline drawing
>> Torque-frequency curve
Test condition:
Chopper drive, no ramping, half micro-stepping, drive voltage 24V
>> About us
Our products are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.
Should any of these items be of interest to you, please let us know. We'll be satisfied to give you a quotation upon receipt of one's detailed specifications. We have our personal experienced R&D enginners to meet any of one's requriements, We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future. Welcome to check out our company.
