66 d e fining machining o p erations – HEIDENHAIN iTNC 530 (340 49x-03) smarT.NC Pilot User Manual
Page 66
66
D
e
fining Machining O
p
erations
Unit 265 Helical Thread Drilling / Milling
Parameters on the overview form:
8
T:
Tool number or name (switchable via soft key)
8
S:
Spindle speed [rpm] or cutting speed [m/min or ipm]
8
F:
Feed rate for milling
8
F:
Countersinking feed rate [mm/min] or FU [mm/rev]
8
Diameter:
Nominal diameter of the thread.
8
Thread pitch:
Pitch of the thread.
8
Depth:
Depth of thread.
8
Countersink:
Select whether countersinking occurs before or after
thread milling.
8
Depth at front:
Depth for sinking at front.
8
Offset at front:
Distance by which the TNC moves the tool center
from the hole center
8
Machining positions (see “Defining Machining Positions” on page
121.)
Additional parameters on the tool detail form:
8
DL:
Delta length for tool T.
8
DR:
Delta radius for tool T.
8
M function:
Any miscellaneous function M.
8
Spindle:
Direction of spindle rotation. As a default, smarT.NC sets M3.
8
Tool preselect:
If needed, this is the number of the next tool for faster
tool change (machine-dependent).