Tormach PCNC 440 - Page 86

Chapter 6
86
UM10372_PCNC440_Manual_0221A
PATHPilOT iNTERFACE
Since it is usually more convenient to touch-o a drill on its point, that conguraon is presented in
the graphics. Hole depth is usually dened as the full diameter poron of the hole, so the Z length
from the drill point to the corner may need to be considered.
Dwell – An entry greater than 0 replaces G81 with G82 in the G-code, unless there is an entry
greater than 0 in Peck. The G82 roune feeds at the Z Feedrate (a DRO in the le panel) unl
reaching the boom of the hole, then the posion is maintained during the period set by Dwell. This
is usually used to let the tool complete the cung of the hole boom before retracng. A revoluon
calculaon is presented in the graphics to aid in seng an appropriate dwell value (such as half
revoluon for a two ute drill).
Peck – An entry greater than 0 replaces G81 with G83 in the G-code. The G83 roune feeds at the
Z Feedrate starng from Z Clear down a Peck distance, then rapid retracts to Z Clear, and rapid
returns to start the next peck. The peck distance is not adjusted so the rst and last peck will likely
be shorter than the PECK seng.
Z DROs
Z Start and End – G8x starts at the Z Clear locaon and ends at Z End locaon.
Z Clear – This is the Z locaon the tool moves or retracts to at the start, end, and while pecking, as
well as moving between holes, so it must clear any obstrucons along the path between holes.
The Circular tab creates a specic hole paern of evenly spaced holes around a circumference, also
know as a bolt paern (see Figure 6.27). As with the Paern tab, all features and corresponding
DROs, like Spot and Peck, are retained.
Circular DROs
Number of Holes – Species the number of holes in the paern. This must be greater than zero.
Figure 6.33