HEIDENHAIN iTNC 530 User Manual page 500

Overview
Cycle
Basic rotation using 2 points:
The TNC measures the angle between the line
connecting the two holes and a nominal position
(angle reference axis).
Basic rotation using 2 holes/studs:
The TNC measures the angle between the line
connecting the centers of two holes/studs and a
nominal position (angle reference axis).
Workpiece alignment using 2 points:
The TNC measures the angle between the line
connecting the two points and a nominal position
(angle reference axis) and compensates the
misalignment by turning the rotary table.
500
Soft key
Manual Operation and Setup