The deep hole drilling cycle (Standard Peck Drilling) is also known as peck drilling
cycle. In this cycle the drill will be retracted to the clearance position of
the hole after drilling the certain depth of cut. After retracting to clearance
plane, this cycle retracts to the R level after each peck of drill and repeated
until the total depth of the hole is achieved.
Code line for G83 Peck drilling cycle:
N100 G98 (G99) G83 X… Y… R… Z… Q… F…
Diagram for G83 peck Drilling cycle:
Steps for the G83 peck drilling cycle:
1.
Rapid motion to XY position of the hole
position.
2.
Rapid motion to the R level, i.e., to the top of
the hole position.
3.
Feedrate motion to the depth by the amount of Q
value in Z.
4.
Rapid retract to R level.
5.
Rapid motion to the previous drilled depth with clearance.
6.
Point number 3, 4 and 5 repeated until the z
depth of the hole is reached.
7.
Rapid retract to the initial level (with G98) or
Rapid retract to R level (with G99).