HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 39)

40
Cycles
for
Machining
Holes
and
Threads
DRILLING (200)
CYCL DEF: Select Cycle 200 DRILLING
Set-up clearance: Q200
Depth – Distance between workpiece surface and bottom
of hole: Q201
Feed rate for plunging: Q206
Pecking depth: Q202
Dwell time at top: Q210
Surface coordinate: Q203
2nd set-up clearance: Q204
Dwell time at depth: Q211
The TNC automatically pre-positions the tool in the tool axis. If the
depth is greater than or equal to the pecking depth, the tool drills to
the depth in one plunge.
11 CYCL DEF 200 DRILLING
Q200 = 2 ;SET-UP CLEARANCE
Q201 = -15 ;DEPTH
Q206 = 250 ;FEED RATE FOR PLUNGING
Q202 = 5 ;PLUNGING DEPTH
Q210 = 0 ;DWELL TIME AT TOP
Q203 = +0 ;SURFACE COORDINATE
Q204 = 100 ;2ND SET-UP CLEARANCE
Q211 = 0.1 ;DWELL TIME AT DEPTH
12 L Z+100 R0 FMAX M6
13 L X+30 Y+20 FMAX M3
14 CYCL CALL
15 L X+80 Y+50 FMAX M99
16 L Z+100 FMAX M2