20PA/20BYG
PLANETARY GEAR STEPPER MOTOR
Housing Material: Metal
Backlash at No-load: ≤1°
Bearing at Output: Ball or Sleeve
Permissible Overhung Load: ≤2.5Kg
Permissible Thrust Load: ≤0.5Kg
Max. Radial Play: ≤0.05mm
Max. Thrust Play: ≤0.3mm
Gearbox Data
|
Reduction Ratio |
X:1 |
4 |
5 |
16 |
19 |
22 |
64 |
76 |
90 |
107 |
|
Exact Reduction Ratio |
X:1 |
4 |
4 3/4 |
16 |
19 |
22 9/16 |
65 |
76 |
90 1/4 |
107 11/64 |
|
Number of gear trains |
# |
1 |
1 |
2 |
2 |
2 |
3 |
3 |
3 |
3 |
|
Max Permissible Torque |
Kg.cm |
5 |
5 |
7 |
7 |
7 |
9 |
9 |
9 |
9 |
|
Moment Permissible Torque |
Kg.cm |
10 |
10 |
15 |
15 |
15 |
20 |
20 |
20 |
20 |
|
Gearbox Length |
mm |
21 |
21 |
26 |
26 |
26 |
31 |
31 |
31 |
31 |
Motor Specifications:
|
Model |
Step Angle |
Length (Ld) |
Phase Voltage |
Phase Current |
Phase Resistance |
Phase Inductance |
Holding Torque |
Lead Wire |
|
(°) |
(mm) |
(V) |
(A) |
（Ω） |
(mH) |
(g.cm) |
(#) |
|
20BYGH28-020-4A/B |
1.8 |
28 |
4.8 |
0.20 |
24 |
8 |
160 |
4 |
|
20BYGH30-050-6A/B |
1.8 |
30 |
5.75 |
0.50 |
11.5 |
1.7 |
180 |
6 |
|
20BYGH33-060-4A/B |
1.8 |
33 |
3.9 |
0.60 |
6.5 |
2.2 |
200 |
4 |
|
20BYGH38-060-4A/B |
1.8 |
38 |
6 |
0.60 |
10 |
5.5 |
400 |
4 |
|
|
|
|
|
|
|
|
|
|
Mechanical Dimension:
