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What is the primary application of closed loop systems in CNC machining?

  1. Used for rough cutting

  2. Used for contouring

  3. Used for drilling

  4. Used for surface grinding

The correct answer is: Used for contouring

Closed loop systems in CNC machining primarily enhance precision and accuracy, making them particularly suitable for contouring. These systems utilize feedback mechanisms that continuously monitor the position of the cutting tool and compare it with the desired program trajectory. By doing this, closed loop systems ensure that the tool follows the intended path accurately, compensating for any deviations in real-time. This capability is essential in contouring applications where intricate shapes are required, allowing for finer control over the machining process. While closed loop systems can provide benefits in other machining operations such as rough cutting, drilling, and surface grinding, their main strength lies in their ability to maintain tight tolerances and complex paths needed during contouring. This is what sets their primary application apart in the realm of CNC machining.