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Cycles for machining holes and threads – HEIDENHAIN TNC 426 (280 476) Pilot User Manual

Page 38

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39

Cycles

for

Machining

Holes

and

Threads

6 CYCL DEF 1.0 PECKING
7 CYCL DEF 1.1 SET UP +2
8 CYCL DEF 1.2 DEPTH -15
9 CYCL DEF 1.3 PECKG +7.5
10 CYCL DEF 1.4 DWELL 1
11 CYCL DEF 1.5 F80
12 L Z+100 R0 FMAX M6
13 L X+30 Y+20 FMAX M3
14 L Z+2 FMAX M99
15 L X+80 Y+50 FMAX M99
16 L Z+100 FMAX M2

Cycles for Machining

Holes and Threads

PECKING (1)

CYCL DEF: Select Cycle 1 PECKING

Set-up clearance:

A

Total hole depth (distance from the workpiece surface to the bottom
of the hole):

B

Pecking depth:

C

Dwell time in seconds

Feed rate F

If the total hole depth is greater than or equal to the pecking depth,

the tool drills the entire hole in one plunge.