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WTRM Series Frameless Torque Motors
- 224 mm
- 254 mm
- 264 mm
- 284 mm
- 314 mm
- 334 mm
- 354 mm
- 384 mm
- 414 mm OD
For customized motor selections or new custom motor specifications, contact MDS Motor to help us understand exactly what you need and how we can further optimize any MDS torque motor series. MDS Motor is expert in providing optimized custom solutions for your applications with utilizing different materials, special winding structures, tailored mounting features, height and diameter adjustments and etc.
WTRM series water/liquid cooled torque motor product family includes both low voltage (24/48V) and high voltage (310/560V) torque motors.
Features
- 9 frame sizes with multiple stack lengths
- Maximum torque-per-weight ratios
- Rated torques up to 887Nm
- Peak torques up to 1483Nm
- Rated speeds up to 500rpm
- Isolated stator windings for both 24V/48V and 310V/560V
- Rare-earth neodymium iron boron magnets for high torque density
- AC windings with custom winding options
Benefits
- Low back-EMF total harmonic distortion (THD)
- Low cogging torque
- Low torque ripple to have smooth rotation
- Direct system integration
- Lowest possible rotor inertia (can be increased if requested)
| Product | A | B | Small Stack | Medium Stack | Large Stack | |||
|---|---|---|---|---|---|---|---|---|
| C | D | C | D | C | D | |||
| Outer Dia. | Inner Dia. | Rotor Length | Motor Length | Rotor Length | Motor Length | Rotor Length | Motor Length | |
| (mm) | (mm) | (mm) | (mm) | (mm) | ||||
| WTRM-200 | 224 | 120 | 30.1 | 72 | 60.2 | 102 | 120.4 | 162 |
| WTRM-230 | 254 | 150 | 30.1 | 74 | 60.2 | 104 | 120.4 | 164 |
| WTRM-240 | 264 | 160 | 35.1 | 77 | 70.2 | 112 | 140.4 | 182 |
| WTRM-260 | 284 | 180 | 35.1 | 78 | 70.2 | 113 | 140.4 | 183 |
| WTRM-290 | 314 | 200 | 35.1 | 80 | 70.2 | 115 | 140.4 | 185 |
| WTRM-310 | 334 | 220 | 35.1 | 80 | 70.2 | 115 | 140.4 | 185 |
| WTRM-330 | 354 | 240 | 35.1 | 80 | 70.2 | 115 | 140.4 | 185 |
| WTRM-360 | 384 | 270 | 35.1 | 81 | 70.2 | 116 | 140.4 | 186 |
| WTRM-390 | 414 | 290 | 35.1 | 81 | 70.2 | 116 | 140.4 | 186 |
For mounting details, please contact MDS Motor
Speed Values of Low Voltage WTRM Series
24V
48V
Speed Values of High Voltage WTRM Series
310V
560V
Speed Values of Low Voltage WTRM Series
24V
48V
Speed Values of High Voltage WTRM Series
310V
560V
Torque Values of Low Voltage WTRM Series
Rated Torque (Tr)
Peak Torque (Tp)
Torque Values of High Voltage WTRM Series
Rated Torque (Tr)
Peak Torque (Tp)
| Product | Outer Diameter (mm) | Rated Torque (Nm) | Peak Torque (Nm) | Datasheet |
|---|---|---|---|---|
| WTRM-200 | 224 | 31.4 - 155.3 | 46.5 - 270.0 | |
| WTRM-230 | 254 | 45.8 - 225.1 | 67.5 - 384.7 | |
| WTRM-240 | 264 | 54.3 - 274.1 | 79.8 - 463.7 | |
| WTRM-260 | 284 | 69.1 - 335.3 | 101.6 - 567.8 | |
| WTRM-290 | 314 | 91.2 - 449.2 | 134.2. - 758.1 | |
| WTRM-310 | 334 | 109 - 540.7 | 160.2 - 907.3 | |
| WTRM-330 | 354 | 124.5 - 618.4 | 183.6 - 1048.9 | |
| WTRM-360 | 384 | 150.5 - 741.4 | 222.4 - 1262.1 | |
| WTRM-390 | 414 | 179.3 - 886.9 | 262.4 - 1483.0 |