206 Programming: Programming Contours
6.2 Fundamentals of Path Functions
Entering more than three coordinates
The TNC can control up to 5 axes simultaneously (software option).
Machining with 5 axes, for example, moves 3 linear and 2 rotary axes
simultaneously.
Such programs are too complex to program at the machine, however,
and are usually created with a CAM system.
Example:
Circles and circular arcs
The TNC moves two axes simultaneously on a circular path relative to
the workpiece. You can define a circular movement by entering the
circle center CC.
When you program a circle, the control assigns it to one of the main
planes. This plane is defined automatically when you set the spindle
axis during a TOOL CALL:
L X+20 Y+10 Z+2 A+15 C+6 R0 F100 M3
Spindle axis Main plane
Z XY, also
UV, XV, UY
Y ZX, also
WU, ZU, WX
X YZ, also
VW, YW, VZ
You can program circles that do not lie parallel to a main
plane by using the function for tilting the working plane
(see User's Manual for Cycles, Cycle 19, WORKING
PLANE) or Q parameters (see "Principle and Overview",
page 294).
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