Description

The U104 series frameless torque motors manufactured by Cifu Technology feature an outer diameter of 104mm and an inner-rotor design. These frameless direct-drive motors offer a compact structure, high positioning accuracy, and low torque ripple, and are available for custom, non-standard specifications.
Naming Convention
e.g.:
CF-TM16025
Meaning:
* CF = Cifu
* TM = Torque Motor
* 160 = Outer diameter 160 mm
* 25 = Overall height 25 mm
📌 Please read here for more details on product specifications.

| Model | U10428/10443 |
|---|---|
| Drive Input Voltage (VDC) | 48/48 |
| Rated Output Power (W) | 722.5/1382.3 |
| Rated Torque (N·m) | 2.3/4.4 |
| Rated Current (A) | 18.5/33.5 |
| Rated Speed (rpm) | 3000/3000 |
| No-load Speed (rpm) | 4000/4000 |
| Peak Torque (N·m) | 6.9/13.2 |
| Peak Current (A) | 55.5/100 |
| Line Resistance (Ω @ 20°C) | 0.09/0.04 |
| Line Inductance (mH) | 0.1/0.05 |
| Torque Constant (N·m/A) | 0.124/0.131 |
| Back-EMF Constant (Vrms/krpm) | 8.8/9.4 |
| Pole Pairs (2P) | 11/11 |
| Rotor Inertia (kg·cm²) | 1.844/3.694 |
| Weight (kg) | 0.52/0.903 |
| Dimensions (mm) | L1 (Stator Core Height): 14/29 |