The QTR 78 series comprises frameless torque motors designed for direct integration in motion control systems, with a stator outer diameter of 78 mm and stack heights ranging from 8 mm to 48 mm. All variants feature a 12-pole rotor, flying leads for flexible integration, and operate as 3-phase synchronous motors with a maximum phase-to-phase voltage of 400 V ac rms or 565 V dc. Continuous torque ranges from 0.57 Nm to 4.47 Nm, depending on the model. The motors have a stator mass between 208 g and 1003 g and total mass excluding cables from 250 g to 1246 g. They include no built-in temperature sensor. The thermal resistance from coils to mounting surface varies from 0.25 K/W to 0.98 K/W, and electrical time constant ranges from 1.9 ms to 3.8 ms.
The QTR 78 is the second size available in the Tecnotion QTR range. This series offers a continuous torque range from 0.57 to 4.47 Nm. The largest QTR 78-60 motor offers a peak torque of over 7.6Nm. To provide maximum flexibility and integration, the QTR 78 uses flying leads instead of a power cable. The build heights of the QTR 78 are: 78-17 // 78-25 // 78-34 // 78-60.
| Tecnotion | |
|---|---|
| Product Category | Brushless Motors |
| Product Number | QTR-78 |
| Product Name | Frameless Torque Motor |
| Motor Type | AC Motor |
| AC Construction | Synchronous |
| Phase | Three-phase |
| Torque Constant | 16.85 to 75.76 in-oz/amp (119 to 535 mN-m/amp) |
| Continuous Current | 0.0 to 10.54 amps |
