HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 677)

Functions of the TNC 640 and the iTNC 530 compared 19.5
19
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
677
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 rotary tables
Programming of cylindrical contours as if in two axes
Cylinder 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
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/rev)
X X
FZ (tooth feed rate) X X
FT (time in seconds for path)
– X
FMAXT (only for active rapid traverse pot: 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 conversational dialog – X
Program jumps:
Maximum number of label numbers 9999 1000
Subprograms X X
Nesting depth for subprograms 20 6
Program section repeats X X
Any desired program as subroutine X X