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Can continuous machining be achieved in point-to-point NC systems?

  1. Yes, continuously

  2. No, only discrete positions

  3. Yes, with limitations

  4. No, not possible

The correct answer is: No, only discrete positions

In point-to-point NC (Numerical Control) systems, the machine moves from one discrete location to another without considering the path taken between these points. This means that the machining operation occurs only at designated points, and there is no continuous motion involved during the cutting process. While some advanced systems may offer a degree of continuous motion for specific applications, traditional point-to-point systems are fundamentally designed for operations where tools are activated only when they reach specific points, resulting in a machined feature formed at those locations rather than through a continuous path. This characteristic is what defines the limitations of point-to-point systems in achieving continuous machining; they cannot effectively interpolate between positions to create smooth curves or surfaces in the same manner as continuous path CNC systems. Therefore, it is accurate to affirm that only discrete positions are utilized in point-to-point NC systems.