Brother TC-32B - End Mill Tap Cycle (G178)

Chapter 5 Preparation function (canned cycle) TC-32B
2004/01/22 5 - 22 eTCOMNCPR5-1.doc
5
5.4.13 End mill tap cycle (G178)
I_
Command format G178 X _ Y _ Z _ R _ S_ L _ Q _E _ ;
J_
Q : Feeding speed changeover point.
Distance from point "R", regardless of absolute mode (G90) or incremental mode (G91).
Start the tapping operation from this position.
E : Feeding speed in zone "Q"
L : Spindle speed when returning from point 'Z' topoint 'R' when not specified, spindle returns
at speed specified by 'S'.
I : Thread pitch in tap zone.
J : Number of threads pitch in tap zone.
S : Spindle speed.
Start spindle with XY axes moving.
eNCPR5.21.ai
Rapid feed
Cutting feed
Spindle CW
Spindle CCW
R point
Z point
Return point
Spindle speed S
Feed speed E
Thread pitch
or number of
threads J
Q