HEIDENHAIN ND 522 - Manual (Page 52)

52 I Operating Instructions
I - 3 Milling Specific Oper
ations
Incline & Arc Milling
This section describes the functions for Incline, and Arc milling
features.
By pressing either the Incline milling hard key, or the Arc milling hard
key, will open the associated Entry Form. These features provide
ways to machine a flat diagonal surface (incline milling), or a rounded
surface (arc milling) using a manual machine.
Functions for Incline, and Arc Milling.
Incline Milling
Entry Form:
 The Incline Milling form is used to specify the flat surface to be
milled. Press the INCLINE MILLING hard key to open the form
 Plane - Select the plane by pressing the PLANE soft key. The current
selection is shown on the soft key, and in the plane field. The
graphic in the message box aids in selecting the correct plane.
 Start Point: Enter the coordinates of the start point, or press NOTE
to set the coordinate to the current position.
 End Point: Enter the coordinates of the end point, or press NOTE to
set the coordinate to current position.
 Step: Enter the step size. When milling, this is the distance between
each pass, or each step along the line.
Press Enter to execute the surface milling operation. Press C to exit
the form without executing. Settings are retained until power is turned
off.
Function Soft key
Press this to select a plane.
Press this to use the existing position.
Press to return to the previous step.
Press to advance to the next step.
The Step size is optional. If the value is zero, the operator
decides at run-time how far to move between each step.