86-0519-86163211，86-0519-86163212
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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
200mm Outer Diameter Frameless Torque Motor
| Motor Specifications | 200WK-口13003-48V-140-11 | 200WK-口24002-48V-140-21 | 200WK-口50001-48V-140-45 | |
| DC Voltage | 48 |
48 | 48 | |
| Rated Power(W) | 408.72 | 503.04 | 524 | |
| Rated Torque(NM) | 13 |
24 | 50 | |
| Maximum Torque(NM) | 28 | 50 | 100 | |
| Rated Current(A) | 14 | 18 | 18 | |
| Maximum Current(A) | 35 | 40 | 40 | |
| Rated Speed(RPM) | 300 | 200 | 100 | |
| Maximum Speed(RPM) | 500 | 400 | 200 | |
| Moment of Inertia(kg.cm2) | 15 | 28 | 60 | |
| Coefficient of counter-electromotive force(V/Krpm) | 88 | 100 |
172.2 | |
| Wire resistance(ohms@20°C) | 0.18 | 0.29 | 3.45 | |
| Wire Inductance(mH) | 0.35 | 1.79 | 0.51 | |
| Polar Coordinates(2P) | 20 |
20 | 20 |
|
| Weight(g) | 1700 | 2900 | 5500 | |
| Tooth-Slot Torque(mN.m) | 390（Reference Values） | 720（Reference Values） | 1500（Reference Values） | |
| Dimensions(mm) | L1 (Core Height) | 11 | 21 | 45 |
| L2 (Rotor Height) | 12 | 22 | 46 | |
| L3 (Overall Height) | 25.9 | 35.9 | 60.9 | |
| Motor Specifications | 200WK-口13008-140-11 | 200WK-口24005-140-21 | 200WK-口50003-140-45 | |
| DC Voltage | 220 |
220 | 220 | |
| Rated Power(W) | 1089.92 | 1257.6 | 1572 | |
| Rated Torque(NM) | 13 |
24 | 50 | |
| Maximum Torque(NM) | 28 | 50 | 100 | |
| Rated Current(A) | 10 | 10 | 10 | |
| Maximum Current(A) | 25 | 25 | 25 | |
| Rated Speed(RPM) | 800 | 500 | 300 | |
| Maximum Speed(RPM) | 1200 | 800 | 500 | |
| Moment of Inertia(kg.cm2) | 15 | 28 | 60 | |
| Coefficient of counter-electromotive force(V/Krpm) | 166 | 200 |
716 | |
| Wire resistance(ohms@20°C) | 0.72 | 0.8 | 4.61 | |
| Wire Inductance(mH) | 1.44 | 1.68 | 30 | |
| Polar Coordinates(2P) | 20 |
20 | 20 |
|
| Weight(g) | 1700 | 2900 | 5500 | |
| Tooth-Slot Torque(mN.m) | 390（Reference Values） | 720（Reference Values） | 1500（Reference Values） | |
| Dimensions(mm) | L1 (Core Height) | 11 | 21 | 45 |
| L2 (Rotor Height) | 12 | 22 | 46 | |
| L3 (Overall Height) | 25.9 | 35.9 | 60.9 | |
