FMK Series Frameless Torque Motor
Designed for Humanoid / Collaborative / Quadruped Robotic Joints
FMK Frameless Torque Motor
The FMK medium & large frameless hollow torque motor delivers an all-round performance upgrade via innovative electromagnetic and mechanical structural designs. Compared with the FMC series, this motor platform achieves major improvements across five key metrics: thermal rise suppression, enlarged hollow bore diameter, rated continuous torque, dynamic response and operational stability.It features suppressed thermal rise for long-duration continuous operation, a widened hollow bore to accommodate complex cable routing, boosted continuous torque alongside enhanced dynamic response, and robust construction for consistent, reliable running. Boasting the core advantage of high torque density within a compact footprint, the FMK series delivers stable, high continuous power output in minimal installation space, perfectly suited for high-precision integrated equipment applications.
Product Model
FMK02509-0004-5511N-7DP02
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FMK03807-0005-3518N-7DP02
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FMK04311-0008-3725N-7DP02
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FMK05008-0016-5030N-10DP02
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FMK05015-0018-3530N-10DP22
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FMK06008-0007-1630H-10DP00
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FMK06018-0026-3628N-10DP02
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FMK07011-0025-3642N-10DP02
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FMK07019-0044-3042N-10DP22
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FMK08513-0037-2952N-10DP02
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FMK08523-0073-3542N-10DP02
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FMK11525-0117-3260N-10DP02
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Electrical Specifications
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Rated voltage(VDC)
48
48
48
48
48
48
48
48
48
48
48
48
Rated power Pn(W)
36
50
77
157
183
75
264
252
440
370
732
1173
Rated torque Tn(Nm)
0.063
0.135
0.2
0.3
0.5
0.45
0.7
0.66
1.4
1.2
2
3.5
Max torqueTm(Nm)
0.204
0.405
0.6
0.9
1.5
1.35
1.4
1.98
5.4
3.6
6
11.5
Rated current In(A)
1.05
1.7
2.2
3.7
5
2.4
8.35
6.1
12.7
9
16.5
30
Max currentIm(A)
3.65
5.491
6.7
10.8
15
7.2
9.18
18.5
55
27
49.5
102
Rated speed nN(rpm)
4500
3500
3700
5000
3500
1600
3600
3650
3000
2950
3500
3200
Max speednM(rpm)
7300
5500
5000
6200
4800
2530
5300
4570
4000
3700
4000
3900
Torque constant Kt(Nm/A)
0.065
0.089
0.09924
0.088
0.11
0.2
0.103
0.116
0.11(ref)
0.14
0.134
0.127
Mechanical time constant τm(ms)
0.583
0.95(ref)
0.068
0.61
1
1.947
0.91
0.48
0.78(ref)
1.1
1.02
1.15
