20BM090BXDT0

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The 20BM090BXDT0 servo motor is part of Sanyo Denki's BL Super Servo Motors series and features a frame size of 90mm. It offers a rated power of 2.52 kW, a rated speed of 3000 RPM, and a continuous stall torque of 8.02 Nm. The motor has an IP65 protection class and uses natural convection for cooling.

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Product Description:

The 20BM090BXDT0 Servo motor is made to serve precise performance in industrial automation. It is a product of Sanyo Denki jointly developed with Toyoda Machine Works Limited. The servo motor runs on a three-phase 200V AC power supply, which provides stable torque and speed control.

The 20BM090BXDT0 servo motor has a brushless design that minimizes maintenance requirements and enhances operational life. The motor comes with an AE (AbsoSyn) encoder for high-accuracy positioning and feedback. The encoder is of 2048 pulses per revolution, which provides maximum accuracy in motion detection. The AE-type feedback system provides zero-position memory even in the absence of a battery. The rated power output is generally 750W to 1kW based on the motor type. The 20BM090BXDT0 servo motor offers rated torque between about 2.39 Nm, with peak torque being higher based on application. The rated speed is typically about 3000 RPM, with overload during peak loads. Operating temperature for the unit is between 0°C to 40°C ambient. Storage temperature must be maintained between -20°C to 60°C for best lifespan. The servo motor can operate up to 90% relative humidity, non-condensing. It is vibration resistant up to 4.9 m/s² and shock of 19.6 m/s² without a loss of performance. The elevation of the installation must not be more than 1000 meters above sea level.

The 20BM090BXDT0 servo motor features a shaft with a keyway for solid mechanical connection. It is housed in an IP65-rated enclosure, which shields it from dust and low-pressure water jets. Cooling is through natural convection with heat-sink fin structures. The motor is in accordance with global standards for industrial motion control. It has thermal sensors built in for overload protection. This servo motor is extensively applied in machine tools for spindle and axis precision control.

Brake Option
With Brake
Continuous Stall Torque
8.02 Nm
Cooling Method
Natural Convection
Encoder Type
Absolute Multiturn
Feedback Resolution
23 bit
Frame Size
90 mm
Max Speed
5000 RPM
Peak Torque
19.1 Nm
Protection Class
IP65
Rated Current
7.2 A
Rated Power
2.52 kW
Rated Speed
3000 RPM
Rated Voltage
355 V
Weight
Approx. 8.5 kg

Frequently Asked Questions about 20BM090BXDT0:

Q: Why is a brushless design important in the 20BM090BXDT0 servo motor?

A: The brushless design eliminates friction wear and reduces maintenance. It ensures longer operational life and stable performance over time.

Q: What is the advantage of natural convection cooling in 20BM090BXDT0 servo motor?

A: Natural convection cooling reduces dependency on active cooling systems. This enables quieter operation and simpler integration into compact systems.

Q: Why is IP65 housing critical for the performance of 20BM090BXDT0?

A: IP65 housing protects the motor from dust ingress and water jets. This ensures uninterrupted operation in harsh industrial environments.

Q: How does the 2048 PPR encoder affect system synchronization in 20BM090BXDT0 servo motor?

A: A 2048 PPR encoder allows tight synchronization in multi-axis systems. This reduces positional lag and enhances closed-loop accuracy in 20BM090BXDT0 servo motor.

Q: Why is the installation elevation limit set at 1000m for 20BM090BXDT0 servo motor?

A: Keeping installation below 1000m maintains air cooling efficiency. Higher altitudes can reduce thermal dissipation, affecting the 20BM090BXDT0's rated performance.


Internal Product Review

  • ‘‘The 20BM090BXDT0 servo motor offers high reliability with features like IP65 enclosure, AE encoder with magnetic memory, and vibration resistance of 4.9 m/s². Its 2048 PPR feedback ensures motion precision. With natural convection cooling, it’s ideal for machine tools and automation systems.’’

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