103-715-6
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The 103-715-6 stepping motor boasts a holding torque of 2.1 N·m, a rotor inertia of 0.84 kg·cm², a step angle of 1.8° per step, and weighs 1.34 kilograms. Part of the StepSyn Stepping Motors series by Sanyo Denki, it features a unipolar winding type, NEMA23 compatible dimensions, and a motor length of 85.8 mm.
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Product Description:
The 103-715-6 StepSyn Stepping Motor manufactured by Sanyo Denki operates at 1.8° ± 0.09° step angle. The motor functions with bipolar and unipolar drive types, yet it needs a parallel connection during bipolar operation. The operating current reaches 2.55 A/phase in bipolar operation, while the unipolar mode consumes 1.8 A/phase.
Each phase of this 103-715-6 stepping motor contains 2.6 Ω resistance while the inductance measures 4.9 mH per phase. These rated values lead to a uniform response of current and magnetism throughout operational conditions. The motor contains six leads housed within a vinyl sleeve while also including an earth terminal marked "T". It generates 88 Ncm torque, while bipolar operation provides 109 Ncm torque under unipolar operation. This motor can achieve a theoretical acceleration rate of 51,000 rad/s² because its rotor inertia measures 210 × 10⁻⁷ kg·m². This 103-715-6 stepping motor produces back EMF with a constant value of 36 V per kRPM. The motor achieves dependable control while delivering fluid acceleration based on its structured features. The insulation of the motor operates safely at temperatures of up to 130 °C because of its Class B rating. Industrial environments can rely on the IP43 rating to protect from the entry of small dust and lightweight water intrusions.
The recommended driver combination consists of the 103-715-6 stepping motor with the PMM-BA-4803-1. The driver works with AC 100/115 V power input while enabling microstep adjustments between 1 to 250 settings with current control from 1 to 2 A/phase. The length of this motor body reaches approximately 76.2 mm while it maintains a 9.525 mm shaft diameter. The total mass is 0.95 kg. The motor presents a frame diameter of 85.85 mm with a 69.6 mm square mounting hole pattern.
Frequently Asked Questions about 103-715-6:
Q: How does Class B insulation contribute to 103-715-6's thermal performance?
A: Class B insulation allows safe operation up to 130 °C. It prevents thermal breakdown during continuous heavy-duty cycles.
Q: Why is the rotor inertia of 210 × 10⁻⁷ kg·m² important in 103-715-6 acceleration?
A: Lower inertia enables faster changes in rotational speed. It supports quicker response during start-stop motion cycles.
Q: What benefit does the IP43 rating offer in industrial environments?
A: IP43 protects the motor against small dust particles and light water spray. This extends motor life in exposed industrial setups.
Q: What is the function of the back EMF constant rated at 36 V/kRPM in this motor?
A: The EMF constant determines voltage generated as speed increases. It's crucial for matching drive voltage with motor speed feedback.
Q: How does the 2.6 Ω resistance and 4.9 mH inductance affect motor performance?
A: This combination balances electrical response and magnetic field stability. It results in consistent step transitions and minimal signal noise.
