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What is a necessary design feature for CNC machines to handle high-speed movements?

  1. Lower friction levels

  2. High noise levels

  3. Lighter materials

  4. Minimal safety guards

The correct answer is: Lower friction levels

For CNC machines to handle high-speed movements effectively, it is essential for them to have lower friction levels. When a machine is in motion at high speeds, friction can generate heat, reduce efficiency, and lead to wear and tear on components. Lowering friction through the use of high-quality bearings, lubricants, or specialized surface treatments allows for smoother and faster movements, which can enhance the overall performance and precision of the CNC machine. This design feature not only contributes to the machine's speed but also helps in maintaining accuracy during operations. When friction is minimized, there is less resistance to the movement of parts, resulting in better responsiveness and improved operational reliability. Therefore, having lower friction levels is critical for ensuring that a CNC machine operates effectively at high speeds.