33VM62-000-76 Pacific Scientific
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The Pacific Scientific 33VM62-000-76 is part of the Low Inertia PMDC Servomotors series and features an ironless hollow rotor with Alnico V-7 magnet material. This servomotor offers field replaceable carbon brushes and standard encoder mounting, with no forced-air cooling provision.
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Product Description:
The 33VM62-000-76 is a low-inertia permanent-magnet DC servomotor produced by Pacific Scientific and supplied within the Low Inertia PMDC Servomotors series. In automated machinery, the unit converts armature current into precise shaft torque and speed, allowing closed-loop position or velocity control on pick-and-place axes, small conveyors, or light gantry carriages. Its design emphasizes minimal rotor inertia so that the motor accelerates and decelerates quickly in response to rapid command changes from a drive controller. This operating style suits applications that reverse often, index short distances, or must settle quickly before the next machine cycle begins.
The brushes are field-replaceable, so they can be serviced without full motor disassembly. They are made of carbon, a material that balances conductivity with commutator life during repeated start-stop duty. The motor has no forced-air cooling, so heat must dissipate through the frame when the unit is installed in tight enclosures. This passive cooling arrangement avoids auxiliary fan hardware and makes mounting surface contact more important for carrying away heat. Magnetic flux is supplied by Alnico V-7 permanent magnets, which provide stable field strength over a wide temperature range and eliminate the need for external excitation.
The mounting face for incremental sensors is standard, allowing drop-in optical encoders when finer resolution is required. The rotor is an Ironless Hollow Rotor, so cogging torque remains negligible and inertia stays very low for quick response during small position corrections. The unit is a complete PMDC servomotor, and there is no attached analog tachometer for built-in speed feedback. An optical encoder is likewise not fitted from the factory, so feedback hardware can be selected to match the control method and resolution needed by the application. When speed or position feedback is required, it must be added through a compatible external sensor.
Frequently Asked Questions about 33VM62-000-76:
Q: What type of magnet material is used in the 33VM62-000-76 servomotor?
A: The 33VM62-000-76 motor uses Alnico V-7 magnets for its construction.
Q: What is the rotor type of the 33VM62-000-76 servomotor?
A: This motor features an ironless hollow rotor design, reducing inertia.
Q: How is the 33VM62-000-76 servomotor cooled?
A: The cooling provision for this model is no forced-air cooling.
Q: What is the brush type used and are they field replaceable in the 33VM62-000-76?
A: The brushes on this servo motor are made from carbon and can be replaced in the field.
Q: Does the 33VM62-000-76 come with an analog tachometer or optical encoder attached?
A: Neither an analog tachometer nor an optical encoder is attached to this model by default.
