103H8223-0441 Sanyo Denki
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The Sanyo Denki 103H8223-0441 is a stepping motor from the StepSyn Stepping Motors series, featuring a frame diameter of 86 mm and a body length of 125.8 mm. The motor provides 6.27 N·m holding torque in 2-phase mode and has a step angle of 1.8 degrees per step. It weighs 3.5 kilograms, operates with 2 phases at a rated current of 2 A per phase, and uses a unipolar winding type.
Internal Product Review
The 103H8223-0441 is a Sanyo Denki StepSyn stepping motor with a 2-phase unipolar winding for straightforward drive compatibility. A 1.8° step angle and 6.27 N·m holding torque give the motor strong positional control and dependable static load retention. Rated current of 2 A/phase with 24 mH/phase inductance supports stable motion tuning, making the unit a strong choice for demanding indexing applications.
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Product Description:
The 103H8223-0441 is a hybrid stepping motor produced by Sanyo Denki within the StepSyn Stepping Motors series. Intended for CNC tables, label applicators, and small conveyor indexing systems, it converts command pulses from a microstepping drive into controlled angular displacement without requiring feedback devices. Its toothed rotor works with laminated stator poles so that each incoming pulse advances the shaft by a fixed increment, providing repeatable positioning for light-to-medium-duty automation axes.
At standstill, the motor develops 6.27 N·m of holding torque, allowing it to resist external loads while powered. Each phase operates at 2 A per phase, and a coil resistance of 5.6 Ω per phase limits steady-state copper loss. A step resolution of 1.8° per step provides 200 full steps per revolution, enabling fine incremental motion when the motor is paired with microstepping electronics. The rotor has an inertia of 4.4 × 10⁻⁴ kg·m², supporting quick acceleration and rapid reversals. The motor also has 24 mH of phase inductance, a two-phase stator layout, and a unipolar winding. These electrical characteristics affect drive voltage selection and switching frequency across the motor’s operating range.
The housing measures 125.8 mm in length and spans 86 mm across the frame, allowing it to fit NEMA 34-style mounts. A pilot diameter of 73 mm centers the front face for accurate alignment with the mounting surface. The single-ended shaft simplifies connection to timing pulleys, lead screws, and other driven components. Electrical connections are made through AWG 22 UL1430 leads that can tolerate repeated movement when routed appropriately. The assembly weighs 3.5 kg, allowing compatible motor mounts and machine frames to support it without additional reinforcement. Its frame width, pilot diameter, and shaft arrangement provide the dimensions needed to plan mounting clearances and coupling alignment in multi-axis machinery.
