DU13H713S-02
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The DU13H713S-02 stepping motor features a step angle of 1.8°, a holding torque of 0.29 N·m, and a rated current of 1 A per phase. Part of the F SANMOTION Stepping Motors series by Sanyo Denki, it includes IP43 protection and operates within a temperature range of -10°C to +50°C.
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Product Description:
Sanyo Denki manufactures the DU13H713S-02. A precisely regulated 1.8° step angle is included in the Sanyo Denki DU13H713S-02 stepping motor, defining the fixed angular increment the rotor moves with each electrical pulse. The motor can split a whole 360° revolution into 200 consistent steps due to the great angular resolution generated by this tiny discrete step size. When sub-degree precision is required, such a resolution is essential, especially in coordinate-based imaging systems, multi-axis CNC machines, and semiconductor inspection platforms. The precise granularity of movement minimizes cumulative positioning errors and drift over time by ensuring that the motor maintains constant step integrity even during fast acceleration and deceleration cycles. Deterministic control techniques in precision motion contexts are based on this high-resolution operation.
When in a static powered condition, the DU13H713S-02's holding torque of 0.29 N·m measures the motor's ability to withstand external torsional stresses. When current is provided while the shaft remains stationary, the rotor's permanent magnets and the stator field interact magnetically to produce this resistance. When external gravitational or inertial forces try to cause unexpected motion in load-bearing situations, such as vertical axis applications, the importance of this property becomes evident. Without the need for additional mechanical locking devices, a holding torque of this size offers enough clamping force to maintain the load's angular position. This feature removes the possibility of back-driving and preserves positional stability when at rest, particularly in open-loop stepper systems without feedback.
This motor's bipolar winding architecture, which allows bidirectional current to flow via each winding pair, is a crucial design feature. Bipolar operation makes better use of the copper mass and magnetic flux routes by energizing the whole winding set in either direction. This results in a higher torque production per ampere than unipolar alternatives. However, in order to reverse the direction of current, this architecture requires the use of a H-bridge or comparable full-bridge driver circuitry, which adds complexity to the controller design. Despite this, the bipolar configuration is more beneficial for high-performance servo-like applications that need torque ripple minimization and better acceleration profiles under dynamic loading due to the resulting increase in torque density, improved thermal utilization of the winding structure, and lower detent torque.
Frequently Asked Questions about DU13H713S-02:
Q: What is the step angle of the DU13H713S-02 motor, and why does it matter?
A: The DU13H713S-02 stepping motor from Sanyo Denki has a step angle of 1.8°, which means the rotor moves in 1.8° increments with each pulse. This small angle provides high precision in positioning tasks, making it ideal for applications that require accurate control of movement such as printers, 3D equipment, or automated inspection systems.
Q: How much holding torque does the DU13H713S-02 provide, and what does it signify?
A: This motor provides a holding torque of 0.29 N·m, which is the maximum torque it can maintain when stationary and powered. Holding torque is essential in applications where the motor must hold its position against external forces. A higher value means better resistance to mechanical displacement.
Q: What kind of winding does this motor use, and what are the implications?
A: The DU13H713S-02 is a bipolar stepper motor, which allows for greater torque and efficiency compared to unipolar motors. Bipolar winding requires more complex drive circuitry but delivers better overall performance, especially in applications needing higher torque-to-size ratios.
Q: What is the IP43 rating, and what level of protection does it offer?
A: The IP43 ingress protection rating means the motor is protected against solid particles over 1 mm and against water spray at angles up to 60° from vertical. This makes it suitable for indoor environments where moderate protection against dust and moisture is required but not for full outdoor or high-humidity use.
Q: What is the rated current per phase, and how does it affect performance?
A: The motor draws a rated current of 1 A per phase. This directly affects the magnetic field strength in the stator and hence the torque generated. Lower current helps in reducing heat and energy use but still delivers reliable performance within its specified torque range.
