103H7123-1746
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The 103H7123-1746 motor offers a step angle of 1.8°/step, a rotor inertia of 0.21 × 10^-4 kg·m², unipolar winding, and a motor length of 53.8 mm. Manufactured by Sanyo Denki and part of the StepSyn Stepping Motors series, it includes lead wire connections and supports customization options like encoders.
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Product Description:
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The 103H7123-1746 stepper motor utilizes a unipolar winding configuration with lead wire connection which offers compatibility with standard drive circuits and facilitates simplified electrical integration. This motor moves in 1.8-degree increments to deliver precise positioning and small step movements. Its rotor inertia stands at 0.21 x 10⁻⁴ kg•m² which ensures swift movement changes between steps. The 103H7123-1746 stepper motor length is 53.8 mm which makes them highly suitable for compact installations where space efficiency is a priority. It is equipped with a 6.35 mm shaft diameter with a tolerance of -0.013 mm that guarantees a precise mechanical fit for couplings and load assemblies. The wires resist 0.48 ohms per phase line and optimize power use along with system performance. This component has 5.8 mm of drill thickness and its 56 mm square flange offers secure installation on multiple platforms without issues.
The 103H7123-1746 stepper motor also operates in environments with humidity ranging from 20% to 90% RH provides flexibility across diverse industrial settings. The mass of the motor is 0.65 kg which supports lightweight applications. The motor operating temperature range is from -10°C to +50°C allows consistent functionality under varying thermal conditions. Its rated current per phase is 4 A which ensures reliable torque generation without performance degradation under continuous cycles. The motor is engineered for smooth motion control in robotics CNC systems and automation lines.
Frequently Asked Questions about 103H7123-1746:
Q: Why is the rotor inertia of 0.21×10⁻⁴ kg·m² important?
A: It enables fast acceleration and deceleration during stepping operations, enhancing response time and precision.
Q: How does the unipolar winding in 103H7123-1746 improve integration?
A: It simplifies wiring and control logic, making the motor ideal for standard industrial drive circuits.
Q: Why is 0.48Ω/phase resistance useful in 103H7123-1746 stepper motor?
A: It minimizes power loss while supporting efficient heat management during extended use.
Q: Why is 5.8 mm drill thickness an important structural feature?
A: It enhances stability during mounting and supports precise alignment in motor installations.
Q: Can the motor sustain outdoor industrial environments?
A: Only if environmental sealing is ensured, since the motor’s range is limited to -10°C to +50°C and 90% RH.
