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Characteristics of Stepper Motors


Introduction: Stepper motors are widely used in various industries due to their unique features and precise control capabilities. In this article, we will explore the characteristics of stepper motors, focusing on the brand Jkongmotor. We will discuss their rotational methods, the need for a driving circuit, their high torque, speed control, lifespan, methods of rotation, control capabilities, and pricing.

Rotational Methods: Stepper motors, such as those manufactured by Jkongmotor, utilize a driving circuit to determine the excitation sequence of the armature windings. This sequence can consist of two, three, or five phases, allowing for precise control over the motor's rotation.

Driving Circuit Requirement: Unlike other types of motors, stepper motors require a driving circuit to control their rotation. This circuit is responsible for generating the necessary pulses to excite the windings in the desired sequence, enabling precise control over the motor's movement.

High Torque: One of the notable advantages of stepper motors, especially at low speeds, is their ability to generate significant torque. This characteristic makes them ideal for applications that require precise positioning or when a high holding torque is needed.

Speed Control: The rotational speed of a stepper motor is directly proportional to the input pulse frequency. However, it is important to note that stepper motors have limitations in terms of speed. At low speeds, there is a stepping region where the motor may lose synchronization, while achieving high speeds can be challenging and may require slowing down the motor to maintain accuracy.

Lifespan: The lifespan of a stepper motor is primarily determined by the lifespan of its bearings. With proper maintenance and usage, stepper motors, including those manufactured by Jkongmotor, can have a lifespan of several tens of thousands of hours.

Methods of Rotation: To achieve both forward and reverse rotation, the excitation sequence of the motor's windings needs to be altered. This change in the driving circuit's excitation phase sequence allows for easy reversal of the motor's rotation direction.

Control Capabilities: Stepper motors offer open-loop control, where the rotation speed and position are determined by the instruction pulses. However, it is important to note that stepper motors may experience stepping issues, leading to small inaccuracies in the motor's actual position.

Pricing: Stepper motors, especially when including the driving circuit, tend to be more expensive compared to brushless motors. However, they offer unique advantages in terms of precise control and high torque, making them a cost-effective choice for applications that require accurate positioning and control.

Conclusion: Stepper motors, exemplified by Jkongmotor brand, possess distinctive characteristics that make them suitable for a wide range of applications. With their precise control capabilities, high torque, and extended lifespan, stepper motors offer a reliable solution for industries requiring accurate positioning and control. While they may have limitations in terms of speed and occasional stepping issues, their overall benefits outweigh these drawbacks. Considering the pricing, stepper motors offer a cost-effective alternative to other motor types, making them a popular choice in various industries.

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