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PMW Dynamics provide a comprehensive portfolio of advanced PM servo motors deploying both brush and brushless technology each bringing their specific benefits to an application
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NewsAugust 2023
Six Reason to Choose a Frameless Motor
Chris Roper, Business Development Manager, informs ...
Six Top Reasons to Choose Frameless Motors
Frameless motors, also known as direct-drive or kit motors, offer several advantages that make them a preferred choice in various applications. Here are six top reasons to choose frameless motors:
- Compact Design: Frameless motors consist of a rotor and a stator, without the traditional motor housing (frame). This compact design allows for a smaller footprint, making them ideal for applications with limited space or weight constraints
- High Power Density: The absence of a frame means that frameless motors can achieve higher power density compared to traditional motors. They can deliver a significant amount of power for their size and weight, making them suitable for high-performance applications
- Low Inertia: Frameless motors typically have lower rotor inertia due to their minimalist design. This results in quicker response times, improved acceleration, and deceleration rates, making them well-suited for applications that require precise and rapid movements
- Customization and Integration: Frameless motors are often sold as separate rotor and stator components, allowing for greater customization and integration flexibility. This makes them adaptable to a wide range of mechanical structures and design requirement
- Reduced Mechanical Complexity: The absence of a frame reduces the mechanical complexity of the motor, leading to fewer components that can wear out or require maintenance. This can lead to increased reliability and reduced downtime in critical applications
- Improved Thermal Management: Frameless motors tend to have better thermal characteristics since there is no frame to impede heat dissipation. This can result in more efficient cooling and thermal management, allowing the motor to operate at higher power levels without overheating
Frameless motors are commonly used in robotics, aerospace, medical devices, industrial automation, and other applications where size, weight, performance, and customization are key factors. However, it's important to note that frameless motors might require more careful integration and engineering expertise compared to traditional motors, as they often need a customized mounting and cooling solution
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