4VM81-220-5
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The 4VM81-220-5 DC servo motor delivers a rated torque of 163 oz-in, a continuous stall torque of 174 oz-in, operates at a rated speed of 3250 RPM, and features a rotor inductance of 400 microhenries. Part of the Low Inertia PMDC Servomotors by Pacific Scientific, it weighs 4.8 lbs and has a motor diameter of 2.7 inches.
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Product Description:
The 4VM81-220-5 is one of the most efficient servo motor units available in the machine for operators that require low inertia and a high torque supply in production and processing systems. This motor unit has an extremely compact housing design that can be easily integrated into any position in the industrial servo system. Under ideal operation conditions, the motor is able to maintain an operation efficiency level as high as 95 per cent during operation. Some of the typical applications that require the rapid incremental motion positioning and precise speed control capability of this servo motor unit include medical equipment, semiconductor manufacturing machines, hydraulic valve control, and industrial test equipment. During operation, this motor is able to continuously deliver a torque output of about 1.23 newton meters; its rated torque output is also estimated to be about 1.15 newton meters.
The 4VM81-220-5 industrial servo motor requires a continuous current supply of about 14.2 amperes; the maximum possible input current that this servo motor unit can use is also estimated to be about 14.5 amperes. At the rated current, this servo motor unit can reach an operation speed of about 3250 revolutions per minute, its rotor inductance is about 400 microhenries while its total weight is estimated to be about 2.18 kilograms. The continuous power output of the 4VM81-220-5 industrial servo motor is about 275 watts, its back emf constant is about 16.5 volts per 1000 revolutions per minute.
The 4VM81-220-5 industrial servo motor unit does not generate an extreme amount of heat during its operation; it can also be used with forced air cooling to eliminate the risk of overheating in its housing. The peak possible installation altitude for this motor to operate without any risk of derating is about 1000 meters above sea level.
Frequently Asked Questions about 4VM81-220-5:
Q: How can the 4VM81-220-5 be identified after its delivery?
A: The type label carrying information about the 4VM81-220-5 is attached to its housing.
Q: Is the 4VM81-220-5 environmentally friendly?
A: With proper handling, this motor has no negative effect on the environment.
Q: What is the peak ambient temperature recommended for the 4VM81-220-5?
A: The permissible ambient temperature for the 4VM81-220-5 is between 0 to about 45 degrees.
Q: Is the 4VM81-220-5 water proof?
A: No. However, its housing can withstand dust and water splashes.
Q: What is the cooling system of the 4VM81-220-5 motor?
A: There is an air inlet and outlet integrated into the motor to aid forced ventilation. The motor also features buffers.
