HEIDENHAIN TNC 640, User Manual, Page: 916 / 948

Tables and Overviews | Functions of the TNC 640 and the iTNC 530 compared
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Function TNC 640 iTNC 530
Constant contouring speed relative to the path of the
tool center or relative to the tool's cutting edge
X X
Parallel operation : Creating programs while another
program is being run
X X
Programming of counter axes X X
Tilting the working plane (Cycle 19, PLANE function) X, option 8 X, option 8
Machining with a rotary table:
Programming of cylindrical contours as if in two axes
Cylindrical surface (Cycle 27) X, option 8 X, option 8
Cylinder surface, slot (Cycle 28) X, option 8 X, option 8
Cylinder surface, ridge (Cycle 29) X, option 8 X, option 8
Cylinder surface, external contour (Cycle 39) X, option 8 X, option 8
Feed rate in mm/min or rev/min X, option 8 X, option 8
Traverse in tool-axis direction
Manual operation (3-D ROT menu) X X, FCL2 function
During program interruption X X
With handwheel superimpositioning X X, option 44
Approaching and departing the contour : Via a straight
line or arc
X X
Entry of feed rates:
F
(mm/min), rapid traverse
FMAX
X X
FU
(feed per revolution mm/1) X X
FZ
(tooth feed rate)
X X
FT
(time in seconds for path) – X
FMAXT
(only for active rapid traverse potentiometer:
time in seconds for path)
– X
FK free contour programming
Programming for workpiece drawings not dimensioned
for NC programming X X
Conversion of FK program to Klartext conversational
language – X
Program jumps:
Maximum number of labels 65535 1000
Subprograms X X
Nesting depth for subprograms 20 6
Program section repetitions X X
Any desired program as subroutine X X