Symbols of the programmed commands G01, G02, ... are called the
preparatory function and specify the type of interpolation conducted in
the control unit.
(a) Movement along straight line
G01 Y_ _;
X– –Y– – – –;
(b) Movement along arc
Fig. 1.1 (c) Interpolation function
Some machines move tables instead of tools but this
manual assumes that tools are moved against workpieces.