CNC Part Programming Formats

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Questions and Answers

In which plane selection does G18 operate in a machining centre?

  • XY Plane selection
  • XZ Plane selection (correct)
  • YZ Plane selection
  • Motion group

Which preparatory function is indicated by G40 in a machining centre?

  • Absolute co-ordinate system
  • Cutter compensation, Cancel (correct)
  • Cutter radius Compensation left
  • Inch units

What is the significance of G90 in a machining centre's coordinate system?

  • Absolute co-ordinate system (correct)
  • Incremental co-ordinate system
  • Metric units
  • Circular interpolation Counter clockwise

What is the function of G00 in a machining centre?

<p>Rapid positioning (A)</p>
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Which preparatory function is used for dwell in a machining centre?

<p>Dwell (A)</p>
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What does G92 signify in a machining centre's programming?

<p>Absolute pre-set, Change the datum position (D)</p>
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Which unit is represented by G71 in a machining centre?

<p>Metric units (C)</p>
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What does G81-G89 represent in a machining centre?

<p>Canned Cycles definition and ON (C)</p>
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In which group does G80 operate within the programming units of a machining centre?

<p>Canned Cycle Cancel (D)</p>
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What does G42 indicate in the context of cutter compensation in a machining centre?

<p>Cutter radius Compensation right (A)</p>
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