Machining A Through Hole (Manual Operation Mode); Predrilling The Through Hole; Example Workpiece - Drilling A Through Hole - HEIDENHAIN ND 7000 Operating Instructions Manual

Milling – Quick Start | Machining a through hole (manual operation mode)
9.5

Machining a through hole (manual operation mode)

In the first machining step you drill the through hole in manual operation mode
using the Ø 5.0 mm drill. You then drill the through hole with the Ø 19.8 mm
drill. The values to be entered into the input fields can be taken directly from the
dimensioned production drawing.
95
50
Figure 32: Example workpiece – drilling a through hole
Activation
9.5.1

Predrilling the through hole

HEIDENHAIN | ND 7000 | Operating Instructions | 05/2018
Tap Manual operation in the main menu
The user interface for manual operation is displayed
On the machine tool, insert the Ø 5.0 mm drill into the
spindle
Tap Tools on the status bar
The Tools dialog appears
Tap Drill 5.0
Tap Confirm
The associated tool parameters are applied automatically
The Tools dialog is closed
On the product, set a spindle speed of 3500 rpm
On the machine tool move the spindles as follows:
X direction: 95 mm
Y direction: 50 mm
On the OEM bar: Tap Coolant ON
Predrill the through hole and retract the spindle
Keep positions X and Y
On the OEM bar: Tap Coolant OFF
You have successfully predrilled the through hole
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