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OEM cycles
As original equipment manufacturers
(OEMs), machine-tool builders can
contribute their special manufacturing
know-how by designing additional fi xed
cycles and saving them in the TNC 640.
However, the end user can write his own
cycles as well. HEIDENHAIN makes this
possible with its PC program CycleDesign.
CycleDesign enables you to organize the
input parameters and soft-key structure of
the TNC 640 to suit your own needs.
Simple and fl exible programming of
machining patterns
Machining positions are often arranged
in patterns on the workpiece. With the
TNC 640, you can program very diverse
machining patterns simply and extremely
fl exibly—of course with graphic support.
You can defi ne as many point patterns as
desired with various numbers of points.
3-D machining with parametric
programming
With parameter functions you can program
simple 3-D geometric fi gures that can
easily be described mathematically. Here
you can use the basic arithmetical ope-
rations, trigonometric functions, roots,
powers, logarithmic functions, parentheses,
and logical comparisons with conditional
jump instructions. Parametric programming
also offers you a simple method of realizing
3-D operations. Of course, parametric
programming is also suited for 2-D con-
tours that cannot be described with line
segments or circular arcs, but rather
through mathematical functions.
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