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Why is it important to avoid duplicate coordinates for different drill tools in a drill file?

hard🧠 Conceptual Q10 of 15
PCB Design - Manufacturing Output
Why is it important to avoid duplicate coordinates for different drill tools in a drill file?
ABecause the drill machine may drill the same hole twice causing damage
BBecause duplicate coordinates cause syntax errors in the drill file
CBecause duplicate coordinates confuse the drill tool assignment
DBecause the drill file format does not allow repeated coordinates
Step-by-Step Solution
Solution:
  1. Step 1: Understand coordinate uniqueness

    Each coordinate should correspond to one hole with one tool size.
  2. Step 2: Effect of duplicate coordinates with different tools

    Duplicate coordinates with different tools confuse which drill bit to use.
  3. Final Answer:

    Because duplicate coordinates confuse the drill tool assignment -> Option C
  4. Quick Check:

    Unique coordinates prevent tool assignment confusion [OK]
Quick Trick: Avoid duplicate coordinates for different tools [OK]
Common Mistakes:
MISTAKES
  • Thinking duplicates cause syntax errors
  • Assuming drill machine drills twice causing damage
  • Believing drill file format forbids repeated coordinates

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