HEIDENHAIN TNC 360 User Manual - Manual (Page 101)

5-17 TNC 360
5 Programming Tool Movements
Fig. 5.24: Full circle around CC with a C-
block Fig. 5.25: Coordinates of a circular arc
Fig. 5.23: A circular arc from S to E
around CC
5.4 Path Contours – Cartesian Coordinates
CC
E
S
Y
X
CC
E
S
Y
CC
X
CC
X
S
X
E
Y
E
Y
S
Y
X
CC
S E
S
Circular Path C Around the Center Circle CC
Prerequisites
The circle center CC must have been previously defined in the program.
The tool is located at the arc starting point .
Input
• Arc end point
• Direction of rotation (DR)
The starting and end points of the arc must lie on the circle.
Input tolerance: up to 0,016 mm.
• To program a full circle, enter the same point for
the end point as for the start point in a C-block.