Product Description:

The R46HMNA-R2-NS-NV-00 is an AC servo motor produced by Pacific Scientific within the R Servomotors series. It acts as a compact rotary actuator that works with digital drives to deliver precise speed and position control for automated pick-and-place stations, packaging lines, and other motion axes. The unit is supplied without an internal brake and uses a standard housing, so holding force at standstill must come from the drive or from separate machine hardware. Its compact format also helps it fit installations where motion performance is required in a limited mounting space.

Mechanical output includes a continuous stall torque of 7.6 Nm, while short-term demand can be met with a peak torque of 20.2 Nm. The square outline measures 4.25 inches on each side, and when combined with a rotor inertia of 0.40 × 10⁻³ kg·m², it supports responsive acceleration without requiring an oversized motor frame. Installation follows the manufacturer’s metric bolt pattern, which simplifies alignment with gearboxes or direct-drive loads. Because the motor is supplied without a shaft seal, it should be installed in clean environments or protected by an external barrier where dust is present. The rear cover does not carry a secondary feedback device.

Performance at higher speeds is supported by rare-earth magnets, and the rotor uses samarium cobalt material to maintain magnetic flux at elevated temperatures. A laminated stack length of 6 inches works with the high-speed winding option to preserve speed range before field weakening begins. Primary position data come from a frameless resolver size 21, which provides analog sine-cosine signals for closed-loop control. This feedback method supports accurate rotor-position tracking during speed changes and repeated indexing moves, while the magnetic design helps maintain stable operation during sustained running.