8MSA3L.R0-D3
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The 8MSA3L.R0-D3 is a flexible coupling made from aluminum alloy with a maximum torque of 2.2 Nm and a bore diameter of 8 mm on both ends. Manufactured by B & R Automation, it belongs to the 8MS Three Phase Synchronous Motors series and measures 25 mm in length. This coupling weighs 22 grams and operates up to 7000 rpm.
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Product Description:
The 8MSA3L.R0-D3 is a 3-Phase Synchronous Motor is a B & R Automation’s product, specifically developed to provide the specifications for high-precision motion applications. This motor's maximum torque capacity of 10 Nm enables it to handle short-term overloads without compromising performance.
This motor is capable of responding quickly to changing currents with an electrical time constant of 2.21 ms, which is important where sudden load displacement or accurate positioning is involved. The 8MSA3L.R0-D3 motor has a top speed of 12000 min⁻¹, which is geared towards high-speed rotary operations that require quick cycle times. This motor is also able to achieve a maximum rotation acceleration of 83333 rad/s² without the use of a brake due to its low moment of inertia of 1.2 kgcm². This low inertia supports quick ramp-up and braking periods with little energy wastage. Its integrated braking system offers a 4 Nm holding torque with the added safety factor of keeping the shaft immobile when drive power is withdrawn. The stator resistance of 15 Ω plays a role in the thermal and electrical properties of this motor and influences its efficiency under sustained running.
To ensure this motor is very effective in some applications that require fixed synchronous velocity at various changes in the loads, the rated speed has been specified at 3000 min-1. This motor is intended to supply 0.68 kW rated power to perform medium-duty continuous work and is highly energy efficient and reliable in operation. This motor can also carry a stall torque of 2.5 Nm, which makes it applicable where it is required to maintain torque at zero speed conditions without developing heat. The 8MSA3L.R0-D3 has a rated torque of 2.15 Nm, which is adequate for imparting the rotational force required in driving mechanical loads in automated applications.
Frequently Asked Questions about 8MSA3L.R0-D3:
Q: How does the high acceleration rate benefit dynamic applications?
A: The 83333 rad/s² acceleration allows rapid speed changes, minimizing cycle time. This feature supports precise and fast performance in high-speed automation systems.
Q: Why is the electrical time constant of 2.21 ms important?
A: It enables faster current response, improving torque control accuracy. This helps during rapid position adjustments or load fluctuations.
Q: How does the brake’s 4 Nm holding torque add safety?
A: The holding torque maintains the shaft position when power is off. It prevents unintentional motion during machine downtimes or emergency stops.
Q: What is the role of 15 Ω stator resistance in motor performance?
A: It influences heat generation and efficiency during prolonged operation. Lower current at this resistance helps maintain thermal stability.
Q: How does the IP64 protection help in industrial use for 8MSA3L.R0-D3?
A: IP64 ensures protection against dust ingress and water spray. This allows the motor to function reliably in exposed or harsh factory conditions.
