103F8582-80XB41 Sanyo Denki
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The Sanyo Denki 103F8582-80XB41 is a stepping motor in the StepSyn Stepping Motors series. It has a holding torque of 4.02 Newton-meters and a static friction torque of 7 Newton-meters. The motor features an 85 mm flange width, 86 mm diameter, and weighs 4.5 kilograms.
Internal Product Review
The 103F8582-80XB41 is a Sanyo Denki StepSyn stepping motor with 4.02 N·m holding torque and 3.69 ×10^-4 kg·m² rotor inertia. A non-excitation brake and 20 ms release time support dependable stopping performance in precise motion applications. A 50 ms brake operating time complements the 7 N·m static friction torque, making this unit a strong choice for secure holding.
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Product Description:
The 103F8582-80XB41 is a stepping motor in the StepSyn Stepping Motors series produced by Sanyo Denki. Designed for indexers, pick-and-place heads, and open-loop positioning tasks, the unit converts pulsed drive current into discrete angular movement for repeatable machine positioning. Its square frame mounts directly to machinery, allowing integration into automation stages that require accurate position holding without continuous servo feedback.
The motor’s fail-safe brake is a non-excitation type that engages whenever power is absent. It draws a maximum current of 0.42 A from a 24 VDC ±5% control rail and dissipates 10 W while energized for release. Upon energization, the rotor is freed within 20 ms, while brake engagement after power loss is completed within 50 ms; these response times minimize lost motion during start-stop routines. Once the brake is released, the drive windings deliver a rated holding torque of 4.02 N·m. The square flange measures 85 ±0.51 mm across, and the mounting-hole pitch is 70 ±0.13 mm, allowing the housing to align with NEMA 34 brackets. A pilot diameter of 60 mm with a −0.046 mm tolerance centers the body, while the 14 mm shaft end fits many common coupler bores without adapters.
The shaft brake can resist a static friction torque of 7 N·m, providing a margin above the motor’s electromagnetic holding torque. Dynamic performance is governed by a rotor inertia of 3.69 × 10⁻⁴ kg·m², enabling rapid acceleration while keeping resonance manageable for microstepping drives. The complete assembly has an overall length of 146.8 mm and weighs 4.5 kg, which must be considered when assessing overhang on gantry axes. The 86 ±0.51 mm body width provides clearance inside standard extruded aluminum frames, and the shaft’s h7 tolerance promotes an accurate fit with timing pulleys or screw couplings.
