What Are the Main Features of a Coreless Motor?
Most people probably have some understanding of coreless motors, but when it comes to their specific features and characteristics, many may not be very clear. Below, our motor manufacturer will walk you through the key features.
Main Features of Coreless Motors:
1. Control Characteristics
- Fast starting and braking with extremely rapid response.
- The mechanical time constant is less than 28 milliseconds, and some products can achieve 10 milliseconds or less (by comparison, iron-core motors typically have a time constant above 100 milliseconds).
- Under high-speed operation within the recommended operating range, the rotational speed can be easily and sensitively adjusted.
2. Drive/Torque Characteristics
- Very reliable operational stability with minimal speed fluctuation.
- As a micro motor, its speed fluctuation can be easily controlled within 2%.
3. Energy Saving / Efficiency Characteristics
- High energy conversion efficiency. The maximum efficiency is generally above 70%, and some products can reach over 90% (by comparison, iron-core motors typically operate at around 70% efficiency).
- Reduced energy loss due to the absence of iron core eddy currents.
4. High Power Density
- The energy (power) density of a coreless motor is significantly improved.
- Compared to an iron-core motor of the same power rating, the coreless motor’s weight and volume are reduced by 1/3 to 1/2, making it ideal for compact and lightweight applications.
That concludes the introduction to the main features of coreless motors. If you need to purchase coreless motors or brushed coreless motors, please feel free to contact our online customer service team for assistance.
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