KMF high-torque frameless direct drive motors have high torque output and torque density. They also have ultra-low cogging torque, extremely low torque fluctuation at low speed, low noise, and precise rotation movement for efficient and stable solutions required by the mechanical system.
The KMF high-torque frameless direct drive motor adopts high-power-density windings for applications requiring small and compact size, low weight, and low inertia. The high-performance NdFeB rotor and carbon fiber material wrap design provide efficient and stable solutions for the system.
Leaderdrive is a recognized provider of high-precision frameless motors. We provide a range of services to ensure that our products can be applied in any situation. Contact us to discuss frameless motors with custom specifications or to request detailed performance data.
Applications:
KMF high-torque frameless direct drive motors are widely used in robotics, electronics and semiconductor equipment, 3C equipment, precision pan/tilt, precision laser processing equipment, optical inspection, aerospace equipment, etc.
Models:
Choose from a variety of models, covering a variety of frame sizes of 50-145mm, compatible with different voltage specifications such as 220v and 48v.
Optional built-in Hall sensor to provide feedback signal output.
Standard F-class insulation provides higher temperature operation.
Aerospace-grade carbon fiber protects the rotor when running at high speed.
If you want to know more about our products, you can download our Product Introduction Manual and 3D Model here.
The Specifications of KMF Series Frameless Torque Motors | |||||||||||||||||
Designed voltage | DC bus voltage 48VDC | 220VAC | |||||||||||||||
Model KMF- | 060AL | 060BL | 076AL | 076BL | 095AL | 095BL | 129AL | 145AL | 060AM | 060BM | 076AM | 076BM | 095AM | 095BM | 129AM | 145AM | |
Rated power | W | 130 | 160 | 290 | 350 | 500 | 560 | 600 | 750 | 130 | 160 | 290 | 350 | 500 | 550 | 600 | 750 |
Speed at rated power | RPM | 4200 | 2800 | 3900 | 2200 | 2600 | 1800 | 2400 | 1700 | 4500 | 3100 | 4200 | 2500 | 2900 | 1800 | 2800 | 2100 |
Continuous stall torque | N m | 0.459 | 0.774 | 1.032 | 1.82 | 2.33 | 3.98 | 3.343 | 4.479 | 0.459 | 0.774 | 1.032 | 1.82 | 2.33 | 3.903 | 3.343 | 4.479 |
Continuous current | Arms | 5.06 | 6.2 | 8.96 | 9.87 | 14.8 | 16.31 | 18.96 | 23.71 | 1.69 | 2.07 | 2.99 | 3.29 | 4.93 | 5.153 | 6.32 | 7.9 |
Peak stall torque | N m | 1.56 | 2.63 | 3.1 | 5.46 | 6.06 | 9.57 | 8.36 | 11.65 | 1.61 | 2.71 | 3.3 | 5.82 | 6.99 | 11.71 | 10.03 | 13.44 |
Peak current | Arms | 16.7 | 19.85 | 30.27 | 33.18 | 44.4 | 47.61 | 48.3 | 54.62 | 5.92 | 7.25 | 9.57 | 10.53 | 14.79 | 15.46 | 18.96 | 23.7 |
Torque constant | N m/Arms | 0.091 | 0.152 | 0.109 | 0.184 | 0.141 | 0.218 | 0.176 | 0.232 | 0.392 | 0.354 | 0.504 | 0.491 | 0.794 | 0.734 | 0.898 | 0.892 |
Back EMF | Vrms/kRPM | 6.32 | 10.03 | 7.98 | 12.06 | 10.57 | 14.69 | 12.05 | 17.48 | 23.85 | 37.81 | 30.66 | 45.46 | 40.84 | 53.52 | 44.29 | 50.87 |
Phase resistance | Ohms | 0.275 | 0.204 | 0.262 | 0.196 | 0.239 | 0.179 | 0.188 | 0.139 | 4.311 | 3.233 | 2.135 | 1.601 | 1.779 | 1.267 | 1.438 | 1.024 |
Phase inductance | mH | 0.352 | 0.275 | 0.313 | 0.244 | 0.282 | 0.219 | 0.265 | 0.207 | 5.256 | 3.942 | 3.869 | 2.902 | 3.375 | 2.495 | 3.165 | 3.026 |
Cogging torque | N m | 0.0012 | 0.0021 | 0.0034 | 0.0055 | 0.0088 | 0.0092 | 0.0094 | 0.0099 | 0.001 | 0.0021 | 0.0027 | 0.0055 | 0.0097 | 0.0098 | 0.0094 | 0.0097 |
Inertia moment | x10-4 kg m2 | 0.15 | 0.26 | 0.32 | 0.58 | 1.14 | 1.93 | 1.78 | 2.32 | 0.15 | 0.26 | 0.32 | 0.58 | 1.14 | 1.96 | 1.78 | 2.32 |
Mass | kg | 0.155 | 0.289 | 0.302 | 0.553 | 0.578 | 1.035 | 1.123 | 1.612 | 0.155 | 0.289 | 0.302 | 0.553 | 0.578 | 1.024 | 1.123 | 1.612 |
Number of motor poles | 16 | ||||||||||||||||
Motor insulation | Heat-resistant class: F (155 ℃) | ||||||||||||||||
Insulation resistance: more than 200MΩ (DC500V) | |||||||||||||||||
Dielectric strength: AC1500V (1 minute) | |||||||||||||||||