176 8 Milling and Drilling
8.1 Milling and Drilling
The Tool fields will automatically be filled in with the current tool
loaded. If a different tool is to be used, enter a Set Tool step prior to
this program step.
You can tilt a rectangular slot by identifying a tilt angle. Highlight the
Angle field and enter an angle measured from the X axis.
The Finish fields will assume the same as the previous finish fields
in the program if it exists. Otherwise this data must be added if
necessary to include it. Leave it blank if it is not required.
For Direction, press either the CW soft key for a clockwise cutting
direction or the CCW soft key for a counter-clockwise cutting
direction.
Enter a stepover percentage (how much the tool to is to overlap on
each pass).
Press the USE key.
Tool path description:
Machining of the slot begins at its first arc center location.
The tool ramps or plunges at the Z feed rate.
The slot is milled from the center out.
The XY step size is determined by the system and will not exceed
the specified percentage of the tool diameter.
The slot is machined at the feed rate programmed in the step.
When the tool makes a cut greater than the step over such as the
initial cut down the center of the slot, the full cut override is applied
to the feed. The full cut override only applies to the rough pass. The
finish pass runs entirely at the programmed finish feed.
The Z step size is determined by the system and will not exceed the
specified distance or number of passes.
The tool retracts slightly (0.1" or 2 mm) between Z passes.
A finish allowance is optional. If specified, this amount is left on the
bottom and sides of the pocket to be removed on the finish pass.
When finish feed is 0, the finish pass will be skipped.
Finish direction applies to both the bottom and side finishes.
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