The knife point: Determine the relative position of cutter and workpiece. On the point of the knife point can be artifacts or jig, or easy to measure points associated with them. when the workpiece are installed on the machine tool , through “the knife” were used to determine the point at which it and the relative position of a tool, or to determine the machine tool coordinate system and the workpiece coordinate system will determine the relative relations.
A knife site:Used to determine the cutting tool position in machine coordinate system of a specific point on the tool.This operation is necessary before processing steps, namely USES the manual way before processing, mobile tool or workpiece, is tool knife site and build the knife point.
Line cutting method:Two three-axis linkage machining method with X, Y, Z axis in any two axis interpolation motion, the other axis (axis) for periodic feed.