R33HENA-R2-NS-NV-00
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The R33HENA-R2-NS-NV-00 servomotor features a robust HENA enclosure type, IP55 protection class, sealed ball bearings, and a base mounting configuration. Manufactured by Pacific Scientific as part of the R Servomotors series, it operates within a temperature range of -20°C to 40°C for reliable performance.
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Product Description:
Pacific Scientific R33HENA-R2-NS-NV-00 Servomotor features robust thermal insulation, resolver-based feedback, and high current capability of 70 A to deliver precise control under extreme electrical and environmental conditions.
The R33HENA-R2-NS-NV-00 servomotor has a mass of 7.1 pounds which indicates a relatively compact yet solid structure which suggests a balance between durability and ease of installation. The electrical resistance measured between its two power input terminals is 1.7 Ohms which affects the efficiency of power transfer and the heat produced during operation. A steel lining supports the bearings inside its rotating components which enhances the durability of its internal movement system, resists wear and allows for extended service without failure. The motor can handle an alternating current input of 240 volts and a direct current input of up to 320 volts which means it can operate under a variety of industrial power systems and is adaptable for both AC drives and DC bus connections. A thermal sensing device typically a thermistor is embedded which monitors internal heat levels such as when the internal temperature exceeds safe operating limits, this component helps trigger a response like slowing the motor or shutting it down.
This R33HENA-R2-NS-NV-00 servomotor output shaft has no physical sealing around which could allow moisture, dust or contaminants to reach internal components in some environments. Its temperature rises 0.84 °C per watt of heat it produces and it is housed in a totally enclosed non ventilated casing that does not rely on external airflow for cooling. When at rest it needs 0.31 lb-in of torque to overcome its initial resistance to motion which implies it can start turning with relatively minimal effort.
Frequently Asked Questions about R33HENA-R2-NS-NV-00:
Q: How does the resolver improve reliability in the R33HENA-R2-NS-NV-00 servomotor?
A: The resolver provides analog feedback that performs well in harsh, noisy environments. It ensures accurate position sensing even in high-vibration or high-temperature industrial settings.
Q: Why is the TENV (Totally Enclosed Non-Ventilated) construction important for this servomotor?
A: TENV protects internal components from dust and moisture while eliminating reliance on external airflow. This makes it ideal for washdown or dusty manufacturing environments.
Q: What is the significance of the 0.84°C/W thermal resistance in the R33HENA-R2-NS-NV-00 motor?
A: This low thermal resistance ensures effective heat dissipation during heavy-duty use. It helps extend motor life by preventing internal overheating under continuous operation.
Q: Why does the R33HENA-R2-NS-NV-00 lack a shaft seal, and how does it affect usage?
A: The absence of a shaft seal reduces friction and simplifies maintenance. However, it should be avoided in environments with high fluid or dust exposure at the shaft area.
Q: How does 0.31 lb-in static friction help in precise applications?
A: Low static friction allows smoother and quicker start-up motion. This is crucial for applications demanding rapid, accurate positioning like pick-and-place robots.
