Programming manual.
CNC 8070
PATH CONTROL.
8.
Arc tangent to previous path (G08).
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(REF: 1709)
8.4 Arc tangent to previous path (G08).
Function G08 may program a circular tool path tangent to the previous path without having
to program the center coordinates (I, J or K). The previous path may be either linear or
circular.
Programming.
Program, along with function G08, the coordinates of the end point of the arc.
Programming format.
The programming format is the following; the arguments appear between curly brackets and
the optional ones, between angle brackets.
G08 X..C{end_point}
Coordinates of the end point of the arc
The end point may defined in cartesian or polar coordinates, both absolute and incremental.
Properties of the function and Influence of the reset, turning the
CNC off and of the M30 function.
• Function G08 may also be programmed as G8.
• Function G08 is not modal, so it should always be programmed if you wish to execute
an arc tangential to the previous path. After executing the function, the CNC restores the
G00, G01, G02 or G03 function that was active before.
Function G08 cannot be used to program full circles because there are infinite solutions.
X..C{end_point} End point of the arc.
Units: Millimeters, inches or degrees.
G08 G17 X50.87 Y38.45
Movement in cartesian coordinates.
G08 R20.23 Q45
Movement in polar coordinates.
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