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G82 Counter Boring Cycle (Drilling Cycle with dwell) can create holes.

G82 X... Y... Z... R... P... F... K...

 
 X X coordinate of the hole.
  Y Y coordinate of the hole.
  Z Drilling depth (from R-plane to Z-depth).
  R R plane position.
  P Dwell time.
  F Feedrate.
  K Number of drilling cycles (if more than one cycle is required).

 

How G82 Counter Boring Cycle (Drilling Cycle with dwell) works.

G82 - Counter Boring Cycle (Drilling Cycle with dwell)

1 - Fast positioning to X,Y coordinates of the hole.
2 - Fast positioning to R plane.
3 - Drilling process (Z-depth).
4 - Dwell.
5 - Drill is retracted with the specified feed to R plane or initial level.

G98 and G99 modes.

Command G98 - Drill will return to the initial level.
Command G99 - Drill will return to R plane.

Example of using G82 in an CNC program.

%
O0001 (G82 example)    (Program number (O0001) and Program name (G82 example)
G00 Z0.5                             (Safe Z)
G00 X42 Y69                       (go to X,Y coordinates of the hole)
G82 X42 Y69 Z-5.5 R2 F40       (Z-final depth of drill)
G00 Z0.5                              (Safe Z)
G00 X0 Y0                            (go to machine Zero)
M30                                    (End)
%

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