8LSA66.EB022D300-1
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The 8LSA66.EB022D300-1 is a synchronous motor manufactured by B & R Automation. As part of the 8LS Synchronous Motors series, it features a frame size of 66 and a keyed shaft for reliable operation. The motor has a protection class of IP65 and utilizes natural convection for cooling.
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Product Description:
B & R Automation has designed the 8LSA66.EB022D300-1 Servo motor to work under industrial automation. It provides a nominal mechanical power output of 5644 W. The rated output is 24.5 Nm, and the locked rotor is 28 Nm. At full load, the rotor will be running at 2200 rpm. The motor operates at a maximum of 9000 rpm.
The 8LSA66.EB022D300-1 Servo motor features a peak torque capacity of 114.24 Nm. Internally, the motor contains four magnetic pole pairs to support smooth and controlled motion. The electrical parameters of the servo motor are tailored for precision. Its phase resistance is rated at 0.72 ohms. Phase inductance is specified at 7.2 mH. The motor operates with a continuous phase current of 11.1 A. At the stall, the initial inrush current measures 12.6 A. The peak current limit is set at 74.4 A. The motor torque coefficient is defined as 2.22 Nm/A. The back electromotive force constant of 8LSA66.EB022D300-1 Servo motor is 134.04 volts/1000 rpm. Electrical response time is rated at 14.4 ms. The thermal time lag is extended to 52 minutes for efficient heat management. Mechanically, the Servo motor offers strong dynamic support. The rotational mass moment or inertia is 18.06 kgxcm^2. The dry weight of the unit without the brake is 20.6 kg. These mechanical values help stabilize acceleration and deceleration during operation. The motor structure supports various industrial mounting requirements.
The braking system in the 8LSA66.EB022D300-1 Servo motor includes effective holding features. Its static holding torque is rated at 32 Nm. The brake unit has a separate weight of 1.5 kilograms. It adds an inertia contribution of 5.85 kgxcm^2. This ensures mechanical holding during non-active motor phases. Brake performance complements the overall motion control system.
Frequently Asked Questions about 8LSA66.EB022D300-1:
Q: How does the 18.06 kgxcm^2 inertia in 8LSA66.EB022D300-1 affect motion control?
A: The 18.06 kgxcm^2 inertia stabilizes acceleration and deceleration transitions. It minimizes overshoot in dynamic load conditions.
Q: Why is a thermal time lag of 52 minutes beneficial for the 8LSA66.EB022D300-1?
A: A 52-minute thermal time lag allows extended operation under high loads. It prevents premature shutdowns due to thermal overload.
Q: What is the role of the torque coefficient in the 8LSA66.EB022D300-1 servo motor?
A: The 2.22 Nm/A torque coefficient ensures efficient torque generation per ampere. It enables high-performance operation with minimal power loss.
Q: Why is a back EMF constant of 134.04 V/1000 rpm important in 8LSA66.EB022D300-1?
A: A high back EMF constant ensures precise voltage control and efficient speed regulation. It directly improves accuracy in servo positioning applications.
Q: How does the 4-pole pair design of 8LSA66.EB022D300-1 improve performance?
A: The 4-pole pair design enhances the motor's ability to deliver smooth torque and precise control. It helps reduce torque ripple in high-performance automation.
