Specifications
| Series No: BL2220 – – – P 2 | |||||||||
| No. |
Testing Item |
Tested Values |
Unit |
||||||
|
1 |
Nominal voltage |
UN |
6 |
12 |
24 |
|
|
V |
|
|
2 |
Terminal resistance, phase to phase |
R |
3.1 |
31 |
20.5 |
|
|
Ω |
|
|
3 |
Output power |
P2max |
2.15 |
0.73 |
5.24 |
|
|
W |
|
|
4 |
Efficiency |
ηmax |
39 |
30 |
40 |
|
|
% |
|
|
5 |
No-load speed |
no |
14850 |
6890 |
22130 |
|
|
rpm |
|
|
6 |
No-load current |
Io |
0.27 |
0.08 |
0.16 |
|
|
A |
|
|
7 |
Stall torque |
MH |
5.53 |
4.05 |
9.04 |
|
|
mNm |
|
|
8 |
Friction torque |
MF |
0.90 |
1.06 |
1.43 |
|
|
mNm |
|
|
9 |
Speed constant |
kn |
2876.23 |
723.74 |
1068.05 |
|
|
rpm/V |
|
|
10 |
Back-EMF constant |
kE |
0.35 |
1.38 |
0.94 |
|
|
mV/rpm |
|
|
11 |
Torque constant |
kM |
3.32 |
13.19 |
8.94 |
|
|
mNm/A |
|
|
12 |
Current constant |
kI |
0.30 |
0.08 |
0.11 |
|
|
A/mNm |
|
|
13 |
Slope of n-M curve |
Δ n/ ΔM |
2685.59 |
1700.41 |
2448.87 |
|
|
rpm/mNm |
|
|
14 |
Mechanical time constant |
τ m |
34.59 |
21.90 |
31.54 |
|
|
ms |
|
|
15 |
Rotor inertia |
J |
1.23 |
1.23 |
1.23 |
|
|
gcm2 |
|
|
16 |
Angular acceleration |
αmax |
44.96 |
32.94 |
73.47 |
|
|
103rad/s2 |
|
|
17 |
Sensor |
|
Hall sensor |
|
|||||
|
18 |
Driver |
|
DR2404 |
|
|||||
|
19 |
Weight |
|
40 |
g |
|||||
|
20 |
Operating temperature range |
|
-30 ～+85 |
||||||
|
21 |
Commutation |
|
Electronically commutation |
||||||
|
22 |
Ball Bearing |
|
NMB & EZO |
||||||
|
23 |
Housing material |
|
Aluminum, black anodized |
||||||
|
24 |
Magnet material |
|
Sintered Nd-Fe-B |
||||||
|
25 |
Direction of rotation |
|
Electronically reversible |
||||||
|
The Operating Data For η max of Customer’s Specifications |
|||||||||
|
26 |
Output Power |
P2opt |
2.07 |
0.73 |
5.01 |
|
|
W |
|
|
27 |
Efficiency |
ηopt |
39 |
30 |
40 |
|
|
% |
|
|
28 |
Speed |
nopt |
8871 |
3373 |
13325 |
|
|
rpm |
|
|
29 |
Load Current |
Iopt |
0.94 |
0.24 |
0.56 |
|
|
A |
|
|
30 |
Operating Torque |
Mopt |
2.23 |
2.07 |
3.60 |
|
|
mNm |
|
