HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 516)

516
6.14 Int
e
ra
ctiv
e W
o
rk
ing Plan Gener
a
tion (IWG)
Overview of drilling operations
The IWG presents the following drilling operations for selection
(“Drilling” drop-down menu):
„ Centric predrilling: see “Centric predrilling (G74)” on page 517
„ Centering
„ Drilling
„ Countersinking
„ Counterboring
„ Reaming: see “Drilling, reaming, deep-hole drilling” on page 519
„ Tapping
„ Special drilling
„ Special drilling > Centering and countersinking
„ Special drilling > Drilling and countersinking
„ Drilling with thread
„ Drilling with reaming
„ Automatic drilling: Accounts for the following form elements: Bore
holes, single holes and hole patterns.
For
„ Stationary tools: Drilling at turning center
„ Driven tools: C-axis machining
Centric predrilling – Automatic: This cycle performs the complete
predrilling operation, including tool changes that might be necessary
because of different diameters.
With the following drilling operations, the IWG generates
„ Cycle G72 (see “Centering, countersinking (G72)” on page 518):
„ Centering
„ Countersinking
„ Counterboring
„ Special drilling > Centering and countersinking
„ Special drilling > Drilling and countersinking
„ Cycle G73 (see “Tapping” on page 520):
„ Tapping
„ Drilling with thread
„ Cycle G71 or G74 (see “Drilling, reaming, deep-hole drilling” on
page 519):
„ Drilling
„ Drilling with reaming