R22HSNA-R1-NS-NV-04 Pacific Scientific
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The Pacific Scientific R22HSNA-R1-NS-NV-04 is a servo motor from the R Servomotors series featuring a 2-inch round frame and standard housing style. It provides a continuous stall torque of 0.6 Nm, a peak torque of 1.62 Nm, and runs at a rated speed of 8000 RPM with a high speed winding type. The motor uses a rare earth samarium cobalt magnet and is equipped with a frameless resolver as primary feedback.
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Product Description:
The R22HSNA-R1-NS-NV-04 is a servo motor produced by Pacific Scientific for the R Servomotors series. With a 2.0-inch outside-diameter frame, it is intended for direct coupling to compact mechanical loads in automated pick-and-place stations, light conveyors, and indexing tables. In these roles, the unit converts commanded drive current into precise rotary motion, providing the closed-loop axis performance required in modern industrial automation cells. Its compact format also suits installations where the motor must be mounted close to tooling or other moving machine elements. It is intended for applications that prioritize fast response and repeatable positioning over large-frame torque output.
The motor can deliver a continuous stall torque of 0.6 Nm, so it can sustain that load without overheating when the rotor is held stationary. The motor has a rated speed of 8000 rpm, which works well with fine-pitch gearsets or direct-drive pulleys in high-cycle applications. Peak torque reaches 1.62 Nm, giving the axis extra headroom during rapid indexing. Rotor inertia is only 0.014 kgm²×10⁻³, allowing quick reversal with minimal overshoot during servo tuning. The round housing has a diameter of 2.0" OD, so the motor fits into tooling nests or gantry carriages where space is limited.
A stack length of 2 inches and a rare-earth samarium-cobalt magnet set keep the magnetic circuit short yet strong, supporting the high-speed winding without demagnetization. Position data is returned through a frameless resolver of transmitter type in size 15, and no secondary feedback device is fitted, which helps reduce cabling complexity. The motor uses a high-speed winding, which optimizes the voltage constant for operation on low-inductance digital drives. Standard housing style simplifies mounting, while the design omits a holding brake, a shaft seal, and any auxiliary feedback to reduce mass and inertia. This arrangement is well suited to dry, enclosed machinery where added shaft sealing is not required.
Frequently Asked Questions about R22HSNA-R1-NS-NV-04:
Q: What is the continuous stall torque of the R22HSNA-R1-NS-NV-04 servomotor?
A: The R22HSNA-R1-NS-NV-04 has a continuous stall torque of 0.6 Nm for sustained mechanical load handling.
Q: What is the maximum rated speed of the R22HSNA-R1-NS-NV-04?
A: This servomotor reaches a rated speed of up to 8000 RPM for high-speed applications.
Q: What type of magnet material is used in the R22HSNA-R1-NS-NV-04?
A: It uses a rare earth samarium cobalt magnet material for its magnetic components.
Q: What is the primary feedback device incorporated in the R22HSNA-R1-NS-NV-04?
A: A frameless resolver, transmitter type, size 15 provides the primary feedback on this motor.
Q: Does the R22HSNA-R1-NS-NV-04 include a holding brake?
A: This model is manufactured without a holding brake as factory preassigned.
