Nema 8 (20mm) hybrid linear stepper motor
>> 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 |
| 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 |
>> Electrical Parameters
|
Motor Size |
Voltage /Phase (V) |
Current /Phase (A) |
Resistance /Phase (Ω) |
Inductance /Phase (mH) |
Number of Lead Wires |
Rotor Inertia (g.cm2) |
Motor Weight (g) |
Motor Length L (mm) |
|
20 |
2.5 |
0.5 |
5.1 |
1.5 |
4 |
2 |
50 |
30 |
|
20 |
6.3 |
0.5 |
12.5 |
4.5 |
4 |
3 |
80 |
42 |
>> Lead screw specifications and performance parameters
|
Diameter (mm) |
Lead (mm) |
Step (mm) |
Power off self-locking force (N) |
|
3.5 |
0.3048 |
0.001524 |
80 |
|
3.5 |
1 |
0.005 |
40 |
|
3.5 |
2 |
0.01 |
10 |
|
3.5 |
4 |
0.02 |
1 |
|
3.5 |
8 |
0.04 |
0 |
Note: please contact us for more lead screw specifications.
>> 20E2XX-XXX-0.5-4-100 standard external motor outline drawing
Notes:
Lead screw length can be customized
Customized machining is viable at the end of lead screw
>> 20NC2XX-XXX-0.5-4-S standard captive motor outline drawing
Notes:
Customized machining is viable at the end of lead screw
|
Stroke S (mm) |
Dimension A (mm) |
Dimension B (mm) |
|
|
L = 30 |
L = 42 |
||
|
9 |
14.6 |
0.4 |
0 |
|
12.7 |
18.3 |
4.1 |
0 |
|
19.1 |
24.7 |
10.5 |
0.3 |
|
25.4 |
31 |
16.8 |
6.6 |
|
31.8 |
37.4 |
23.2 |
13 |
|
38.1 |
43.7 |
29.5 |
19.3 |
|
50.8 |
56.4 |
42.2 |
32 |
>> 20N2XX-XXX-0.5-4-100 standard non-captive motor outline drawing
Notes:
Lead screw length can be customized
Customized machining is viable at the end of lead screw
>> Speed and thrust curve
20 series 30mm motor length bipolar Chopper drive
100% current pulse frequency and thrust curve (Φ3.5mm lead screw)
20 series 42mm motor length bipolar Chopper drive
100% current pulse frequency and thrust curve (Φ3.5mm lead screw)
|
Lead (mm) |
Linear velocity (mm/s) |
|||||||||
|
0.3048 |
0.3048 |
0.6096 |
0.9144 |
1.2192 |
1.524 |
1.8288 |
2.1336 |
2.4384 |
2.7432 |
3.048 |
|
1 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
2 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
|
4 |
4 |
8 |
12 |
16 |
20 |
24 |
28 |
32 |
36 |
40 |
|
8 |
8 |
16 |
24 |
32 |
40 |
48 |
56 |
64 |
72 |
80 |
Test condition:
Chopper drive, no ramping, half micro-stepping, drive voltage 24V
