1. General5.2.2.2.2.2.2.2.2 CircularCircularCircularCircular InterpolationInterpolationInterpolationInterpolationFigure 1.4 shows a tool movement along an arc.XZFigure 1.4 Circular Interpolationote:ote:ote:ote:In this manual, it is assumed that tools are moved against workpieces..2.3.2.3.2.3.2.3 ThreadThreadThreadThread CuttingCuttingCuttingCuttingThere are several kinds of threads: cylindrical, taper or face threads. To cut threads on aorkpiece, the tool is moved with spindle rotation synchronously.Figure 1.5 Thread Cutting