R34KENP-R2-NS-VS

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The R34KENP-R2-NS-VS servomotor has a continuous stall torque of 27 lb-in and a motor frame size of 4.25 inches. Manufactured by Pacific Scientific as part of their R Servomotors series, this motor weighs 25 lbs and has a thermal resistance of 0.52 °C/Watt. It delivers a peak torque of 130 lb-in.

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Product Description:

In the Pacific Scientific, R34KENP-R2-NS-VS Servomotor stands as a precision-driven component. It is from their R series that fulfills industrial automation system requirements. This motor is recognized for its utilization of a brushless design and rare earth magnets. This elevates the operational efficiency and reliability of this servomotor.

This R34KENP-R2-NS-VS servomotor provides extensive capabilities that involve continuous stall torque of 27 lb-in / 3 Nm. It also provides a peak torque output of 130 lb-in / 14.7 Nm. The motor responds effectively to handle different operating requirements because of its engineering design. The motor exhibits a limited inertia of 0.0034 lb-in-sec². This enables quick control input reactions crucial for achieving high dynamic performance levels. A frameless resolver on this motor provides the main feedback control that eliminates the requirement for secondary feedback systems. The R34KENP-R2-NS-VS servomotor performs smoothly while reducing wear due to its minimum static friction setting of 0.39 lb-in. The motor performs better during changing load conditions. It is because of its technical parameter of 0.17 lb-in/Krpm viscous damping coefficient that manages speed variations. The motor achieves operational stability by combining a thermal resistance of 0.52° C/Watt with a thermal time constant at 29 minutes for sustained loads.

The R34KENP-R2-NS-VS servomotor design offers operational flexibility across different environmental temperatures without any negative impact on its performance outcome. The motor operates at 6.7 A stall current while it can manage peak torque loads up to 53 A. This shows the strong power handling capabilities of this servo motor. Operational consistency across various conditions stems from the motor's resistance. It changes to 3.7 Ohms as the device cools and reaches 5.6 Ohms when hot. The inductance of 25 mH of this servomotor shows the performance level that it is designed specifically for smooth operational efficiency.

Continuous Stall Current
6.7 A
Continuous Stall Torque
27 lb-in / 3 Nm
Current At Peak Torque
53 A
Inductance (line-line)
25 mH
Inertia (motor Only)
0.0034 lb-in-sec² / 0.38 kgm²
Motor Frame Size
4.25 inches (width/height)
Motor Weight
25 lbs / 11.3 kg
Peak Torque
130 lb-in / 14.7 Nm
Resistance (line-line)
3.7 Ohms cold / 5.6 Ohms hot
Static Friction (max.)
0.39 lb-in / 0.044 Nm
Thermal Resistance
0.52 °C/Watt
Thermal Time Constant
29 minutes
Torque Constant (line-line)
10.8 lb-in/A / 1.22 Nm/A
Viscous Damping Coefficient
0.17 lb-in/Krpm / 0.019 Nm/Krpm
Voltage Constant (line-line)
128 V/Krpm / 1.22 V/rad/sec

Frequently Asked Questions about R34KENP-R2-NS-VS:

Q: Why is low static friction important in R34KENP-R2-NS-VS?

A: Low static friction in the Pacific Scientific R34KENP-R2-NS-VS Servomotor minimizes starting resistance, enhancing the motor's efficiency and responsiveness.

Q: What does the resolver in R34KENP-R2-NS-VS do?

A: The resolver in the Pacific Scientific R34KENP-R2-NS-VS Servomotor provides accurate position feedback, essential for precise control in automation.

Q: What role does thermal resistance play in R34KENP-R2-NS-VS?

A: Thermal resistance in the Pacific Scientific R34KENP-R2-NS-VS Servomotor helps maintain performance by effectively managing heat, thereby extending the motor's operational life.

Q: How does the frameless design benefit R34KENP-R2-NS-VS?

A: The frameless design of the Pacific Scientific R34KENP-R2-NS-VS Servomotor allows for compact integration into various industrial equipment, saving space and reducing weight.

Q: How does viscous damping improve R34KENP-R2-NS-VS performance?

A: Viscous damping in the Pacific Scientific R34KENP-R2-NS-VS Servomotor stabilizes rotational motion and reduces oscillations, which is critical during high-speed operations.


Internal Product Review

  • ‘‘The Pacific Scientific R34KENP-R2-NS-VS Servomotor excels in dynamic performance with limited inertia of 0.0034 lb-in-sec² and robust feedback via a frameless resolver. With a viscous damping coefficient of 0.17 lb-in/Krpm, it ensures smooth operation and stability under changing loads.’’

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