18
Machining with fi ve axes
– Swivel head and rotary table controlled by the TNC
Many 5-axis operations that at fi rst glance
may seem very complex can be reduced to
conventional 2-D movements that are
simply tilted about one or more rotary axes
or wrapped onto a cylindrical surface. The
TNC supports you with application-oriented
functions to help you write and edit such
programs quickly and simply without a
CAM system.
Tilting the working plane*
Programs for contours and holes on
inclined surfaces are often very complex
and require time-consuming computing
and programming work. Here the TNC 640
helps you to save a great deal of
programming time.
You program the part as usual in the
working plane (e.g. the X/Y plane), but it is
machined in a plane that is rotated in one
or more axes about the main plane.
With the PLANE feature, defi ning a tilted
working plane is easy: You can specify
tilted working planes in seven different
ways, depending on the information on the
workpiece drawing. Clearly arranged
support graphics assist you during input.
You can also use the PLANE function to
defi ne the positioning behavior for tilting so
that there are no unpleasant surprises
when the program is run. The settings for
defi ning the positioning behavior are
identical for all PLANE functions, making
everything that much easier.
* These functions must be implemented in the
machine and TNC by the machine tool builder.
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