103H7821-1740

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The 103H7821-1740 is a compact stepping motor with a base area of 42mm square and weighs just 0.75 kg. Manufactured by Sanyo Denki, it belongs to the StepSyn Stepping Motors series and operates within a temperature range of -10°C to +60°C. The motor features 2-phase excitation and a source voltage of DC24V.

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Product Description:

The 103H7821-1740 Stepper Motor from Sanyo Denki is a precision driven motor designed for high accuracy applications. It ensures synchronized motion with fixed speed operation for applications requiring precise positioning and stable stopping. This motor is widely used in semiconductor equipment, testing instruments, ATMs, packaging machinery and automated systems like ticket gates.

This 103H7821-1740 stepper motor has a 60 mm flange size and features a single shaft design. It delivers a holding torque of 0.88 N·m that allows reliable performance in industrial automation. This motor operates on a rated current of 4 A per phase to ensure efficient power consumption. It maintains stable movement with reduced vibrations with a 2 phase excitation system. This motor supports rubber coupling or direct coupling that provides flexible mounting options. Its connector type connection simplifies wiring and enhances compatibility with various driver systems. The operating temperature range is – 10 °C to + 50 °C that allows it to function reliably in diverse environments. This StepSyn stepping motor is optimized for integration into precision driven machinery where accuracy and repeatability are critical. Its stepper design eliminates the need for feedback systems that simplifies control while maintaining high positional accuracy.

This 103H7821-1740 stepper motor operates by rotating at a precise fixed angle for each electrical pulse it receives. The speed of rotation is directly proportional to the frequency of the input command pulses. This means that increasing the pulse frequency results in a higher rotational speed while decreasing it slows the motor down. The total rotation angle of the stepper motor can be accurately controlled by adjusting the number of pulses sent to it. This allows for precise positioning and repeatability.

Connection Coupling
Rubber coupling or direct means
Dimensions
42mm sq Base area
Getaway Torque
JL1=15.1x10^-4 kg·m² (using rubber coupling)
Insulation Resistance
100MΩ or more with DC500V megohmmeter
Maximum Rated Current
2.8A (input conditions around TL)
Motor Type
Stepping Motor
Operating Temperature Range
-10°C to +60°C
Phase Setting
2-phase excitation
Rotor Inertia
x10^-4 kg·m² (value not specified)
Source Voltage
DC24V
Weight
0.75 kg
Wiring Current
2A/phase
Wiring Resistance
Unipolar winding

Frequently Asked Questions about 103H7821-1740:

Q: How does the 103H7821-1740 Stepper Motor ensure precise motion control?

A: The 103H7821-1740 Stepper Motor rotates at a fixed angle per electrical pulse, ensuring precise positioning and repeatability. Its speed depends on pulse frequency, allowing accurate motion synchronization in automated systems.

Q: What makes the 103H7821-1740 Stepper Motor ideal for industrial automation?

A: The 103H7821-1740 Stepper Motor provides a holding torque of 0.88 N·m, delivering stable performance. Its 2-phase excitation system reduces vibrations, ensuring consistent movement in precision-driven applications like testing instruments and semiconductor equipment.

Q: How does the 103H7821-1740 Stepper Motor simplify system integration?

A: The 103H7821-1740 Stepper Motor features a connector-type connection, enabling easy wiring with various driver systems. Its rubber and direct coupling support offers flexible mounting, making installation versatile for different automation setups.

Q: Can the 103H7821-1740 Stepper Motor operate in extreme temperatures?

A: The 103H7821-1740 Stepper Motor functions within a –10 °C to +50 °C range, ensuring reliable operation in diverse environments. This makes it suitable for industrial and commercial automation where temperature variations are common.

Q: Does the 103H7821-1740 Stepper Motor require a feedback system for accuracy?

A: The 103H7821-1740 Stepper Motor does not require a feedback system due to its stepper-based design. It maintains high positional accuracy, eliminating the need for complex control mechanisms in automated machinery.


Internal Product Review

  • ‘‘The 103H7821-1740 Stepper Motor by Sanyo Denki delivers 0.88 N·m holding torque. It provides efficient power consumption with a rated current of 4 A per phase. Its single-shaft design and rubber or direct coupling support allow flexible installation for various automated applications.’’

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