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Product Description
The WHEATSTONE Frameless Motors is engineered for direct integration into customer equipment, offering high torque density, compact design, and precision control. Without a housing, bearings, or feedback device, frameless motors provide maximum design flexibility for engineers who require performance in space-constrained applications.
Compact Integration – Stator and rotor kit design allows direct installation into mechanical structures.
High Torque Density – Optimized electromagnetic design delivers strong torque in a compact footprint.
Precision Performance – Smooth speed regulation and accurate positioning for demanding motion systems.
Thermal Efficiency – Advanced winding technology ensures efficient heat dissipation under high load.
Flexible Design – Customizable dimensions, winding configurations, and mounting options.
Reliability – Built with high-quality insulation materials for long service life in continuous operation.
Motor Type: Frameless Brushless Servo Motor (Stator + Rotor Kit)
Voltage Range: Customizable (Low to High DC/AC supply options)
Torque Output: High torque-to-weight ratio
Cooling: Natural cooling / optional liquid or forced-air cooling
Materials: High-grade laminations, copper windings, rare-earth magnets
Applications: Robotics, aerospace, medical devices, direct-drive systems, industrial automation
160mm Outer Diameter Frameless Torque Motor
| Motor Specifications | 160WK-口09005-48V-106-15 | 160WK-口15003-48V-106-23 | 160WK-口32002-48V-106-47 | |
| DC Voltage | 48 | 48 | 48 | |
| Rated Power(W) | 471.6 | 471.6 | 670.72 | |
| Rated Torque(NM) | 9 | 15 | 32 | |
| Maximum Torque(NM) | 20 | 32 | 66 | |
| Rated Current(A) | 15 | 17 | 20 | |
| Maximum Current(A) | 35 | 38 | 45 | |
| Rated Speed(RPM) | 500 | 300 | 200 | |
| Maximum Speed(RPM) | 800 | 600 | 400 | |
| Moment of Inertia(kg.cm2) | 4.6 | 7 | 19 | |
| Coefficient of counter-electromotive force(V/Krpm) | 42 | 61 | 84 | |
| Wire resistance(ohms@20°C) | 0.18 | 0.26 | 0.16 | |
| Wire Inductance(mH) | 0.35 | 1.2 | 0.35 | |
| Polar Coordinates(2P) | 20 | 20 | 20 | |
| Weight(g) | 1100 | 1600 | 3300 | |
| Tooth-Slot Torque(mN.m) | 270（Reference Values） | 450（Reference Values） | 960（Reference Values） | |
| Dimensions(mm) | L1 (Core Height) | 15 | 23 | 47 |
| L2 (Rotor Height) | 16.6 | 24.6 | 48.6 | |
| L3 (Overall Height) | 25.9 | 35.9 | 60.9 | |
| Motor Specifications | 160WK-口09020-106-15 | 160WK-口15008-106-23 | 160WK-口32006-106-47 | |
| DC Voltage | 220 | 220 | 220 | |
| Rated Power(W) | 1886.4 | 1257.6 | 2012.16 | |
| Rated Torque(NM) | 9 | 15 | 32 | |
| Maximum Torque(NM) | 20 | 32 | 66 | |
| Rated Current(A) | 10 | 10 | 10 | |
| Maximum Current(A) | 25 | 25 | 25 | |
| Rated Speed(RPM) | 2000 | 800 | 600 | |
| Maximum Speed(RPM) | 3000 | 1500 | 1000 | |
| Moment of Inertia(kg.cm2) | 4.6 | 7 | 20 | |
| Coefficient of counter-electromotive force(V/Krpm) | 80 | 100 | 176 | |
| Wire resistance(ohms@20°C) | 0.5 | 0.55 | 0.87 | |
| Wire Inductance(mH) | 1 | 1.2 | 1.79 | |
| Polar Coordinates(2P) | 20 | 20 | 20 | |
| Weight(g) | 1100 | 1600 | 3300 | |
| Tooth-Slot Torque(mN.m) | 270（Reference Values） | 450（Reference Values） | 1500（Reference Values） | |
| Dimensions(mm) | L1 (Core Height) | 15 | 23 | 47 |
| L2 (Rotor Height) | 16.6 | 24.6 | 48.6 | |
| L3 (Overall Height) | 25.9 | 35.9 | 60.9 | |
86-0519-86163211，86-0519-86163212 
