In this article, we explore two types of stepper motors—high-resolution and encoder type—and how they enhance precision in critical laboratory automation applications such as autosamplers.
Autosamplers are automated systems that deliver samples to analytical instruments for testing. They are widely used in laboratories to handle large sample volumes efficiently. These devices can collect samples from a central source or bring the sampling equipment to the samples on a carousel. An example is testing blood samples for viral diseases.
Precision and accuracy are crucial for moving samples to specific locations repeatedly. Stepper motors are commonly used due to their precise control and positioning capabilities. For more demanding tasks, servo motors might be preferred for higher torque and speed. However, this article focuses on stepper motors.
Examples of autosamplers include those for liquid or gaseous samples and solid samples used in gamma ray measurements. These systems rely heavily on accurate motor movement to ensure reliable results.
A standard 2-phase hybrid stepper motor typically steps at 1.8° with ±0.05° stop accuracy. Improving motor resolution or adding an encoder can enhance precision. This article highlights two motor types: high-resolution and encoder type.
High-resolution stepper motors double the resolution by reducing the tooth pitch, allowing for finer steps and improved accuracy. Encoder-type motors add feedback for reliability, ensuring no missed steps during operation.
Oriental Motor's PKP Series includes both high-resolution and encoder-type options. The series offers various configurations, including 2-phase bipolar, 2-phase unipolar, and 5-phase bipolar, catering to different application needs.
The PKP Series provides excellent performance with features like high torque and low vibration, making it suitable for diverse applications. Whether you need a motor for precision or reliability, the PKP Series has a solution.
For more information or assistance, feel free to contact our technical support team. We're here to help you find the right motor for your application.
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