3. Drill cycle 1. Position the X and Y to the proper coordinates with a rapid traverse move G00, 2. Position the Z axis to a clearance plane, 3. Feed the tool down to depth, 4. Rapid position the tool back to the clearance point

4. Fixed or Canned Cycles The programming of repetitive machining operation such as : Drilling Tapping Boring Reaming

5. Canned Cycles 6 12 3 45

7. 1 2 3 4 5 6

8.  G98 Fixed cycle initial Level Return  G99 Fixed cycle R- point Level Return  M 99 Return From Sub-program  O 7901 Program’s Name  P 3031 Subprogram Name  O 3031