SM2863-5257
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The SM2863-5257 is a bipolar stepping motor with a size of 86 mm square and a step angle of 1.8°. Manufactured by Sanyo Denki as part of the F SANMOTION Stepping Motors series, it boasts a holding torque of 6.4 Nm and operates at a rated current of 6 A/phase. Additional features include RoHS compliance.
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Product Description:
The SM2863-5257 is a F SANMOTION stepping motor produced by Sanyo Denki for motion control in various systems. It is utilized in automated machines requiring high torque and precise positioning like automated teller machines (ATMs) and semiconductor manufacturing equipment.
The SM2863-5257 stepping motor features a standard 1.8° basic step angle and has a holding torque of 9 Nm to ensure positional accuracy even when stationary. It is designed with 86 mm motor flange size and the output shaft is 14mm D-shaped to optimize torque transmission and simplify coupling alignment. The SM2863 stepping motor has internally a bipolar wiring scheme that requires 6 A per phase current to deliver substantial performance without compromising control stability. The rotor inertia is rated at 4.5 ×10⁻⁴ kg·m² for smooth acceleration and deceleration in scenarios of rapid changes in motion. The SM2863-5257 stepping motor has a rugged rigid construction that measures 127mm in length and has a total mass of 4 Kg. It is capable of handling up to 200 N of allowable radial load and 60 N of thrust load to make it suitable for systems with moderate mechanical stress. The SM2863 motor exhibits a resistance of 0.46 Ω/phase and inductance 3.8 mH/phase.
The SM2863-5257 stepping motor offers resilience by operating in a wide temperature range from -10°C to +40°C and tolerates humidity levels from 20% to 90% RH if the provided environment is non-condensing. Its IP43 rating provides protection against solid objects larger than 1 mm and obstructing water spray that comes from perpendicular directions. The SM2863 stepping motor is CE/UL certified and available on Wake Industrial with one year warranty and worldwide delivery.
Frequently Asked Questions about SM2863-5257:
Q: How does the 1.8° step angle contribute to positioning accuracy in the SM2863-5257?
A: It provides 200 full steps per revolution, allowing for granular motion control critical in indexing and interpolation-based systems.
Q: Why is bipolar wiring preferred in the SM2863-5257 stepping motor design?
A: Bipolar configuration enhances torque generation by energizing full windings in alternating polarity, optimizing magnetic field distribution and rotor response.
Q: How does rotor inertia influence acceleration profiles in SM2863-5257?
A: The 4.5×10⁻⁴ kg·m² inertia ensures the rotor resists overshooting or oscillation, enabling precise deceleration in motion-sensitive tasks.
Q: Why is a D-shaped output shaft used in torque-sensitive systems like the SM2863-5257?
A: The flat edge ensures anti-slip torque transmission and facilitates keyed or clamped coupling systems for mechanical alignment under torque loads.
Q: Why is thermal tolerance important in SM2863-5257's -10°C to +40°C range?
A: It ensures operational consistency in variable environments, particularly in systems with passive cooling or closed enclosures.
