HEIDENHAIN iTNC 530 (340 49x-05) Pilot - Manual (Page 75)

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Definin
g
Machining Operations
Unit 262 Thread Milling
Parameters on the overview form:
 T : Tool number or name (switchable via soft key)
 S : Spindle speed [rpm] or cutting speed [m/min or ipm]
 F: Feed rate for milling
 Diameter : Nominal diameter of the thread
 Thread pitch : Pitch of the thread
 Depth : Depth of thread
 Machining positions (see “Defining Machining Positions” on page
145.)
Additional parameters on the tool detail form:
 DL : Delta length for tool T
 DR : Delta radius for tool T
 M function : Any miscellaneous function M
 Spindle : Direction of spindle rotation. As a default, smarT.NC sets M3
 Tool preselect : If needed, this is the number of the next tool for faster
tool change (machine-dependent)