Multiple choice

In a closed loop control NC machine, tool system is the design of control loop that decides

  1. position error, accuracy and repeatability

  2. cost of the machine tool, cost of maintenance and cost of operation

  3. programming of a part, load and torque, cost of machining

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In closed-loop NC control, the control loop continuously monitors and corrects position error, ensuring accuracy and repeatability. The feedback mechanism (often from encoders) compares actual vs commanded position. Options B and C focus on costs and programming, which are not control loop design parameters.

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