2VM61-000-1 Pacific Scientific
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The Pacific Scientific 2VM61-000-1 is a servomotor in the Low Inertia PMDC Servomotors series. It features a rated torque of 25 oz-in and a continuous stall torque of 31 oz-in, with a rated voltage of 24 V. The motor weighs 3.0 pounds and has a mechanical time constant of 1.8 ms.
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Product Description:
The 2VM61-000-1 is a low-inertia permanent-magnet DC servomotor produced by Pacific Scientific and placed within the Low Inertia PMDC Servomotors series. The motor is intended for use in industrial automation axes that call for rapid acceleration with modest continuous load, such as indexing tables or small pick-and-place actuators. Its light rotor allows control loops to command quick velocity changes while the permanent-magnet field supplies stable torque without external excitation.
At its nominal operating point, the motor delivers 25 oz-in of rated torque when a 24 V supply is applied to the armature. For applications that need extra margin during start-up, the design permits a 46 A pulse current, and the windings present only 100 µH of inductance, so current rises quickly when the drive issues a step command. Maximum sustained load is limited by the 31 oz-in continuous stall torque, a value set by the thermal capacity of the winding and housing. Beyond these current-related figures, the torque constant is 5.8 oz-in/A, which allows direct torque estimation from commanded current. Thermal resistance of 2.13 °C/W must be considered when sizing heat sinks or airflow to keep the winding temperature within rating.
During prolonged duty, the motor can dissipate 61 W of power, so average current should stay below that thermal ceiling. Dynamic response is supported by an 0.13 ms electrical time constant and a 1.8 ms mechanical time constant, keeping lag between command and shaft motion minimal in high-bandwidth servo loops. The assembly weighs only 3.0 lb, which eases mounting on small moving carriages and reduces reflected mass in gantry systems. For continuous operation, ambient temperature and airflow should be considered so the winding temperature remains within the allowable limit.
Frequently Asked Questions about 2VM61-000-1:
Q: What is the continuous stall torque of the 2VM61-000-1 servomotor?
A: The 2VM61-000-1 motor has a continuous stall torque rating of 31 oz-in for consistent, sustained operation.
Q: What is the rated voltage of the 2VM61-000-1 motor?
A: The rated voltage for this servomotor is 24 V, suitable for low voltage systems.
Q: What is the power dissipation capability of the 2VM61-000-1 servomotor?
A: The 2VM61-000-1 can safely dissipate up to 61 watts of power during operation.
Q: What is the torque constant for the 2VM61-000-1 servomotor?
A: This servomotor has a torque constant of 5.8 oz-in/A, defining the relationship between current and produced torque.
Q: What is the weight of the 2VM61-000-1 servomotor?
A: The 2VM61-000-1 motor weighs 3.0 lbs, making it relatively lightweight for its performance category.
