Parameter Description Unit
L Distance to the pole, end point mm
α Polar angle to the pole, end point (abs) or
change in polar angle to the pole, end point (inc)
Degrees
F Machining feedrate mm/rev
mm/min
mm/tooth
Radius compensation Input defining which side of the contour the cutter travels in the programmed direc‐
tion:
Radius compensation to left of contour
Radius compensation to right of contour
Radius compensation off
The set radius compensation remains as previously set
10.7.14 Circle polar
A circle in the polar coordinate system is defined by an angle (α). The angle refers to the X
axis.
The tool moves from its actual position on a circular path to the programmed end point (angle)
at the machining feedrate. The radius corresponds to the distance from the actual tool position
to the defined pole, i.e. the circle starting and end point positions are at the same distance
from the defined pole.
The 1st arc in polar coordinates entered after the pole must be programmed with an absolute
angle. You can program any additional straight lines or circles with incremental coordinates.
Procedure
1. The ShopMill program to be edited has been created and you are in the
editor.
2. Press the menu forward key and the "Straight Circle" softkey.
3. Press the "Polar" and "Circle polar" softkeys.
Programming technological functions (cycles)
10.7 Additional cycles and functions in ShopMill
Milling
668 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
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