103H7823-0440
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The 103H7823-0440 stepping motor delivers a holding torque of 2.1 N·m with a step angle of 1.8° per step. Manufactured by Sanyo Denki as part of their StepSyn Stepping Motors series, it operates reliably within a -10°C to +60°C temperature range. The motor can handle allowable radial loads up to 60N.
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Product Description:
The innovative 103H7823-0440 variant from Sanyo Denki is fall under the StepSyn Stepping Motors series. This motor operates with a source voltage of DC24V and maintains a stable low voltage supply which is highly critical in the automation control system. It has a rated current of 2A/phase and more importantly, it possesses a holding torque of 2.1 N m, which is sufficient to securely hold the rotor position when at rest.
This stepping module features a rotor inertia of 0.84×10⁻⁴ kg·m² which minimizes resistance to rapid acceleration and deceleration. It weighs 1.34 kg, making it compact enough for integration into space‐constrained assemblies. With a step angle of 1.8°/step, the device achieves fine resolution in positional control. Its wiring resistance is 2 Ω per phase, and the wiring inductance is 3.7 mH per phase; both specifications are critical for reducing energy loss and ensuring smooth electrical transitions. The unit employs a JST Mfg.Co., Ltd PHR-6 connector, allowing reliable connectivity, and it features an effective tapping depth of 3.2 mm or more for secure electrical engagement.
The 103H7823-0440 is housed in a 60mm diameter circular frame that simplifies integration into various mechanical systems. It is designed as a 2-phase stepping motor with unipolar winding and further reduces circuit complexity while maintaining performance. The unit exhibits an escape torque of 0.94×10⁻⁴ kg·m² when using a rubber coupling, guaranteeing smooth disengagement during dynamic conditions. Additional features confirms that this motor supports a maximum step frequency of 2000 pulses per second, offers up to 1/16 micro stepping for enhanced resolution. It has an operational life exceeding 50,000 hours, and runs at a noise level below 50 db.
Frequently Asked Questions about 103H7823-0440:
Q: How does the low rotor inertia affect dynamic performance of 103H7823-0440?
A: The low rotor inertia of 0.84×10⁻⁴ kg·m² allows for quick acceleration and deceleration, improving the motor’s responsiveness. This characteristic is vital for rapid, precise movements in high-performance systems.
Q: What benefits arise from the unipolar winding type?
A: Unipolar winding simplifies the control circuitry of 103H7823-0440 and reduces overall system complexity. It also enhances the ease of integration in various drive applications.
Q: Why is a holding torque of 2.1 N·m significant?
A: A holding torque of 2.1 N·m ensures the 103H7823-0440 can maintain its position without drift during idle periods. This is critical for applications requiring high positional accuracy.
Q: What impact does a rated current of 2A/phase have on performance?
A: A rated current of 2A/phase provides sufficient drive for each winding, ensuring smooth and consistent steps. This steady current enhances overall 103H7823-0440 reliability in precision applications.
Q: How does a DC24V source voltage benefit the 103H7823-0440?
A: A stable DC24V supply ensures the motor receives consistent power, which is essential for precise stepping. This reliable voltage minimizes fluctuations and supports accurate performance in automated systems.
