HEIDENHAIN iTNC 530 (340 49x-05) Pilot - Manual (Page 54)

54
Definin
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Machining Operations
RPM/cutting-speed switchover
As soon as an input field for defining the spindle speed is active, you can
choose whether the speed will be displayed in rpm or as cutting speed
(m/min or ipm).
To enter a cutting speed
 Press the VC soft key: the TNC switches the input field
To switch from cutting speed to input in rpm
 Press the NO ENT key: the TNC deletes the cutting-speed input
 To enter rpm: use the arrow key to move back to the input field
F/FZ/FU/FMAX switchover
As soon as an input field for defining the feed rate is active, you can
choose whether the feed rate will be displayed in mm/min (F), in rpm (FU)
or in mm/tooth (FZ). The permissible feed rate types depend on the
respective machining operation. For some input fields, an FMAX entry
(rapid) is also allowed.
To enter a type of feed rate
 Press soft key F, FZ, FU or FMAX