Heidenhain MANUALplus 4110 User Manual Page 25

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HEIDENHAIN MANUALplus 4110 25
1.4 Axis Designations and Coordinate System
1.4 Axis Designations and
Coordinate System
Axis designations
The cross slide is referred to as the X axis and the saddle as the Z axis
(see figure at top right).
All X-axis values that are displayed or entered are regarded as
diameters.
When programming paths of traverse, remember to:
Program a positive value to depart the workpiece.
Program a negative value to approach the workpiece.
Coordinate system
The axis designations X and Z describe positions in a two-dimensional
coordinate system. As you can see from the figure to the center right,
the position of the tool tip is clearly defined by its X and Z coordinates.
MANUALplus can connect points by linear and circular paths of
traverse (interpolations). Workpiece machining is programmed by
entering the coordinates for a succession of points and connecting the
points by linear or circular paths of traverse.
Like the paths of traverse, you can also describe the complete contour
of a workpiece by defining single points through their coordinates and
connecting them by linear or circular paths of traverse.
The coordinates entered for the X axis and Z axis are referenced to
the workpiece zero point.
Angles entered for the C axis are referenced to the zero point of the
C axis (see bottom-right figure).
Positions can be programmed to an accuracy of 1 µm (0.001 mm). This
is also the accuracy with which they are displayed.
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