Heidenhain MANUALplus 4110 Manuel d'utilisateur Page 237

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HEIDENHAIN MANUALplus 4110 237
4.9 Drilling/Milling Patterns
Circular hole pattern on face
A circular hole pattern is to be machined on the face
of the workpiece with the "Drilling, axial" cycle. This
machining operation requires a traversable spindle
and driven tools.
The pattern center point is entered in Cartesian
coordinates (see figure at top right).
Since this example is to illustrate how you drill a
through hole, the hole end point Z2 is programmed
such that the tool has to drill all the way through the
workpiece before it reaches the end point. The
parameters "AB" and "V" define a feed reduction for
both pre-drilling and through-boring (see figure at
lower right).
Tool data
WO = 8—Tool orientation
I = 10—Drilling diameter
B = 90—Point angle
H = 1—The tool is a driven tool
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