Coordinates & Offsets
Coordinate systems, origins, and offset logic.
Absolute Programming
Coordinate values are entered relative to the zero point.
Composite Coordinate System
Coordinate system composed of multiple transformations.
Coordinate Mirroring
Applies mirror transformation to the coordinate system.
Coordinate Rotation (G68)
Applies rotational transformation to the coordinate system.
Coordinate Scaling (G51)
Applies proportional scaling to the coordinate system.
Coordinate System Setup
Process of defining work coordinate system position.
Cutter Compensation Direction
Selection of left or right compensation direction.
Datum Axis
Axis used as a datum.
Datum Hole
Hole feature used as a datum.
Datum Plane
Plane used as a datum.
Drawing Datum
Datum specified on the part drawing.
Extended Coordinate System (G54.1)
Additional work coordinate offset groups.
Fixture Offset
Offset of fixture position relative to the machine tool.
Incremental Programming
Coordinate values are entered relative to the current position.
Local Coordinate Offset (G52)
Temporary coordinate system offset setting.
Machine Coordinate Measurement
Measuring positions in the machine coordinate system.
Machine Coordinate System
Coordinate system referenced to machine zero.
Machine Datum
Design or measurement datum of the machine.
Machine Zero Point
Inherent reference origin of the machine.
Machine-Workpiece Coordinate Alignment
Aligns machine and workpiece coordinate systems.
Program Zero Point
Origin position used in the program.
Reference Point
Fixed position used when homing to establish coordinates.
Tool Length Compensation (H)
Corrects differences in tool length.
Tool Radius Compensation (D)
Corrects differences in tool radius.
Work Coordinate Measurement
Measuring positions in the work coordinate system.
Work Coordinate Number
Index number of a work coordinate system.
Work Coordinate Offset (G54)
Commonly used work coordinate offset.
Work Coordinate System
Coordinate system referenced to workpiece zero.
Workpiece Zero Point
Machining origin defined in the program.
Zero Offset
Offset adjustment of the zero position.