U718BT-032EL2

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The U718BT-032EL2 is a high-performance servo motor with a rated output of 320 W and a maximum rotating speed of 4000 min⁻¹. Manufactured by Sanyo Denki as part of the Super DC Servo Motors series, it operates at a rated armature voltage of 75 V. The motor delivers an instantaneous maximum torque of 9.8 N·m.

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Product Description:

The Sanyo Denki’s U718BT-032EL2 Servo Motor is constructed with a black chemically resistant coating, which offers superior surface resistivity to corrosive chemicals and environmental contaminants. This motor’s natural convection cooling system eliminates the need for external cooling parts by permitting the dissipation of heat passively from within the motor body.

This motor incorporates an optical shaft encoder as its feedback sensor, which provides accurate position and speed detection through the conversion of shaft rotation into precise electrical signals. The 500 pulses per revolution (P/R) encoder resolution makes this servo motor deliver accurate feedback, thus making it ideally suited for applications that require tight motion control. The U718BT-032EL2 servo motor uses a standard +5V encoder power supply to make it compatible with the majority of servo drives and control interfaces found in automation systems. With a rated rotating speed of 2500 min⁻¹, this servo motor can function optimally in medium-speed applications where smooth motion and evenly distributed torque are essential. This motor is rated under insulation Class A to give internal windings protection from thermal degradation and guarantee electrical safety and durability during extended use.

With this motor’s high inertia structure, it resists sudden severe loading changes without affecting its performance to make it suitable for use in frequent start-stop operations or dynamic loading changes. The torque constant of this servo motor is 0239Nm/A, which means that it can produce proportional torque output with respect to the provided current and is useful in maintaining valuable output in various load situations. The U718BT-032EL2 motor is designed in a way that it can be installed up to 1000 meters above sea level to suit the normal manufacturing facilities. It is a round-flanged servo motor with four evenly spaced mounting holes to enable safe installation on competent equipment.

Ambient operational temperature
0 to 40 °C
Cooling type
Natural Convection
Encoder power supply
+5V
Encoder resolution
500 P/R (Pulses per Revolution)
Feedback sensor
Optical Shaft Encoder
Inertial level
High inertia
Insulation class
Class A
Maximum installation altitude
1000 m above sea level
Motor coating
Black chemically resistant coat
Mounting type
Flange mounting (round flange with four equally spaced mounting holes)
Rated rotating speed
2500 min⁻¹
Torque constant
0.239 Nm/A

Frequently Asked Questions about U718BT-032EL2:

Q: How does the high inertia in U718BT-032EL2 benefit motion control?

A: High inertia helps maintain consistent motor rotation during load changes. This ensures smoother operation in applications with variable or abrupt motion demands.

Q: Why is natural convection preferred in the U718BT-032EL2 over fan-based cooling?

A: Natural convection avoids mechanical cooling parts, reducing noise and maintenance. It's ideal for compact installations where fan cooling is impractical.

Q: What advantage does the 500 P/R optical encoder offer in industrial automation?

A: It delivers precise feedback necessary for accurate shaft positioning. This improves control accuracy in servo-driven systems like robotic joints.

Q: Why does the U718BT-032EL2 Servo Motor use a +5V encoder power supply?

A: The +5V input ensures compatibility with standard encoder interface circuits. It simplifies integration with a wide range of motion controllers.

Q: How does flange mounting enhance mechanical stability in U718BT-032EL2 installations?

A: The round flange with evenly spaced holes ensures uniform load distribution. This minimizes vibration and misalignment during continuous operation.


Internal Product Review

  • ‘‘The U718BT-032EL2 Servo Motor from Sanyo Denki is a high-precision motion control solution. It features a 500 P/R optical encoder, natural convection cooling, and a torque constant of 0.239 Nm/A. This motor is commonly used in semiconductor equipment, textile machinery, and automated inspection systems.’’

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