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OD:35mm frameless motor
The 32.5mm frameless torque motor features a modular design of stator and rotor combined with an optimized slot fill factor, achieving higher torque density. Designed with a rated speed of 3800rpm and 48 VDC, it is ideal for humanoid robot joints and equipment with limited space. NTC temperature sensors can be added upon customer request.
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| Item |
Dimension (mm) |
Tolerance |
| Stator outer diameter D |
35 |
±0.026 |
| Stator length L |
19.4 |
±1 |
| Rotor inner diameter D1 |
17 |
H8 |
| Rotor length L1 |
14 |
±0.20 |
| Potting surface outer diameter E |
33.5 |
MAX |
| Potting surface height F |
3 |
±0.5 |

Electrical Specifications
| Item |
Unit |
SY35HSV12‑48V |
| Number of poles |
— |
14 |
| Number of phases |
— |
3 |
| Rated voltage |
VDC |
48 |
| Rated torque |
N.m |
0.12 |
| Rated current |
A |
1.6 |
| Rated speed |
RPM |
3800 |
| Rated power |
W |
48 |
| Maximum speed |
RPM |
5400 |
| Peak torque |
N.m |
0.35 |
| Peak current |
A |
4.5 |
| Line to line resistance |
ohms @20°C |
4.1 |
| Line to line inductance |
mH |
1.93 |
| Torque constant |
Nm/A |
0.102 |
| Back EMF |
Vrms/KRPM |
6.2 |
| Motor length |
mm |
19.4 |
| Weight |
g |
65.4 |
| Electrical time constant |
ms |
0.47 |
Electric Connection:
| (Color) |
(Type) |
(Functions) |
| (Yellow) |
ARF250 0.35mm² AWG22 |
Phase U |
| (Red) |
ARF250 0.35mm² AWG22 |
Phase V |
| (Black) |
ARF250 0.35mm² AWG22 |
Phase W |
Torque Performance Curves