8LSN57.E0022D300-0
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The 8LSN57.E0022D300-0 synchronous servo motor by B & R Automation is part of the 8LS Synchronous Motors series and features a 115 mm flange size. It delivers a rated power of 2.15 kW and a peak torque of 21.7 Nm. Equipped with an EnDAT 2.2 absolute encoder, it also offers IP65 protection.
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Product Description:
The three-phase synchronous motor 8LSN57.E0022D300-0 is the product of B & R Automation. This servo motor rotates at a normal pace of 2200 rpm, and the construction includes three magnetic pole pairs. The continuous torque produced by the motor is 16.5 Nm. It has a continuous power rating of 3801 W.
The 8LSN57.E0022D300-0 servo motor can accommodate locked-rotor torque of 19.5 Nm that pulls stand-still current of 8.8 A. The motor draws a standard input current of 7.4 A. It has a reliable mechanical output with continuous duty cycles. Its capacity of torque is 80.0 Nm, and the speed range is up to 7200 rpm. The motor has the ratio of Torque to current as a parameter of 2.220 Nm/A which means that the output of torque as a result of current consumption is efficient. The 8LSN57.E0022D300-0 servo motor is characterized by a loop resistance of 1.330 ohms and a phase inductivity of 9.700 mH. This provides a smooth flow of current and the storage of energy in the windings. The electrical time constant of the servo motor is 7.300 ms. It is the time required to respond fast under dynamic conditions. The back EMF constant rating is 134.04 V/1000 rpm, which is the electrical feedback of the operation of the motor.
The 8LSN57.E0022D300-0 servo motor has the angular mass of 38.4000 kg cm2 and weighs 15.60 kg without brake. The motor has an optional D3 brake that has an inbuilt electromechanical brake. The brake has a holding torque of 27.00 Nm. The effective inertia coupled with the brake is 9.5000 kg-cm2. The heat dissipation time constant of the motor is 48.0 minutes. It ensures an adequate time for heat dissipation during prolonged use in industrial automation.
Frequently Asked Questions about 8LSN57.E0022D300-0:
Q: How does the angular mass of 38.4000 kg cm^2 impact the performance of 8LSN57.E0022D300-0?
A: The high angular mass supports better rotational stability and consistent torque delivery, enhancing motion control accuracy in dynamic loads.
Q: How does a heat dissipation time constant of 48.0 minutes benefit the 8LSN57.E0022D300-0 during prolonged operations?
A: The extended heat dissipation time ensures thermal stability, maintaining performance integrity under continuous industrial workloads.
Q: Why is a phase inductivity of 9.700 mH important in the 8LSN57.E0022D300-0 motor design?
A: Higher inductivity smooths current transitions, supporting noise reduction and protecting control electronics from voltage spikes.
Q: What advantage does a loop resistance of 1.330 ohms provide in 8LSN57.E0022D300-0 servo motor?
A: Low loop resistance minimizes power loss and improves energy efficiency, allowing consistent torque output with reduced thermal buildup.
Q: Why is the back EMF constant of 134.04 V/1000 rpm significant in the 8LSN57.E0022D300-0 motor?
A: A high back EMF constant enables better voltage feedback for control systems, supporting precise velocity and position control.
