230 Programming: Programming Contours
6.5 Path Contours—Polar Coordinates
6.5 Path Contours—Polar
Coordinates
Overview
With polar coordinates you can define a position in terms of its angle
PA and its distance PR relative to a previously defined pole CC.
Polar coordinates are useful with:
îš„ Positions on circular arcs
îš„ Workpiece drawing dimensions in degrees, e.g. bolt hole circles
Overview of path functions with polar coordinates
Function Path function key Tool movement Required input Page
Straight line LP + Straight line Polar radius, polar angle of
the straight-line end point
Page 231
Circular arc CP + Circular path around circle
center/pole to arc end point
Polar angle of the arc end
point, direction of rotation
Page 232
Circular arc CTP + Circular arc with tangential
connection to the preceding
contour element
Polar radius, polar angle of
the arc end point
Page 233
Helical interpolation + Combination of a circular and
a linear movement
Polar radius, polar angle of
the arc end point, coordinate
of the end point in the tool
axis
Page 234
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