2VM62-030-4 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific 2VM62-030-4 is a PMDC servomotor from the Low Inertia PMDC Servomotors series. It features a basket-wound hollow rotor and uses Alnico V-7 magnet material with carbon brush commutation. The servomotor offers peak torque capability up to 6 times its rated torque and is equipped with a through-shaft analog tachometer.
Internal Product Review
The 2VM62-030-4 is a Pacific Scientific PMDC servomotor built with a basket-wound hollow rotor for fast dynamic response. Carbon brush commutation and an Alnico V-7 magnet set support dependable speed control and consistent torque production. Through-shaft tachometer feedback complements the 6x rated torque peak capability, making the motor a strong choice for demanding servo duty.
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Product Description:
The 2VM62-030-4 servomotor is produced by Pacific Scientific as part of the Low Inertia PMDC Servomotors series. It is intended for closed-loop motion axes that require quick acceleration and consistent velocity, such as pick-and-place gantries, light conveyors, and tool-positioning slides. By combining a lightweight rotor with a permanent-magnet field, the motor provides a rapid torque response while keeping reflected inertia low. This design allows control amplifiers to use responsive tuning without causing mechanical resonance. The motor is suited to applications with frequent starts, stops, and speed changes where low rotor inertia improves overall axis performance.
A through-shaft tachometer can be coupled directly to the shaft to generate an analog speed signal for velocity control loops. Electrical commutation relies on carbon brushes, which transfer current to the rotating armature and can be replaced when worn. The motor has no forced-air cooling provision; heat leaves the frame through natural convection and conduction, so continuous power should account for the ambient temperature and available airflow. Flux is supplied by Alnico V-7 magnets, whose coercivity helps maintain consistent torque across a broad temperature range. Dynamic response is enhanced by the basket-wound hollow rotor, which minimizes rotating mass and lowers inertia. These characteristics support rapid acceleration and deceleration while reducing the mechanical load reflected to the connected drive system.
The end bell has standard mounting provisions for an industry-standard incremental encoder or resolver when digital position feedback is required. As a PMDC servomotor, the unit accepts a unipolar supply and produces torque in proportion to armature current, simplifying compatible linear drive designs. The motor is supplied with no attached optical encoder, allowing an appropriate feedback device to be selected for the controller’s required resolution and interface. During short transients, the motor can deliver six times its rated torque, providing the additional force needed to overcome static friction or accelerate connected loads. This temporary overload capability must remain within the permitted duration to prevent excessive armature and brush temperatures. Proper coupling alignment and secure feedback mounting help preserve signal stability during rapid changes in shaft speed.
