CNC 8035 - Programming manual - Fagor Automation

6.5 Arc tangent to previous path (G08)
Via function G08 you can program an arc tangential to the previous path without having to program
the coordinates (I.J &K) of the center.
Only the coordinates of the endpoint of the arc are defined, either in polar coordinates or in Cartesian
coordinates according to the axes of the work plane.
Example programming the X axis in radius.
G90 G01 X0 Z270
X50 Z250
G08 X60 Z180 ; Arc tangent to previous path
G08 X50 Z130 ; Arc tangent to previous path
G08 X60 Z100 ; Arc tangent to previous path
G01 X60 Z40
Function G08 is not modal, so it should always be programmed if you wish to execute an arc
tangential to the previous path. Function G08 can be programmed as G8.
Function G08 enables the previous path to be a straight line or an arc and does not alter its history.
The same function G01, G02 or G03 stays active after the block is finished.
When using function G08 it is not possible to execute a complete circle, as an infinite
range of solutions exists. The CNC displays the corresponding error code.
Programming manual
PATH CONTROL
Arc tangent to previous path (G08) 6.
CNC 8035
·T· MODEL
(SOFT V16.3X)
·97·