170 8 Milling and Drilling
8.1 Milling and Drilling
Finish
Finish allows you to leave some excess material that will be removed
during the finish cut reducing tool marks. The finish cut will
automatically arc on and arc off.
Enter the amount of material to be removed during the finish cut in
the Cut field.
Enter the Feed Rate for the finish cut.
Select the finish cut’s Direction. Press the CW soft key for a
clockwise direction or the CCW soft key for a counter-clockwise
direction.
Enter a stepover percentage (what percent of the tools diameter is
to pass over the previous cut).
Press the USE key.
If the tool size and type listed in the Tool field are incorrect, change the
tool settings before running your program.
Tool path description:
Machining of the rectangle pocket begins at its center.
The tool ramps or plunges at the Z feed rate.
The pocket 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 pocket is machined at the feed rate programmed in the
rectangle pocket step. When the tool makes a cut greater than the
step over such as the initial cut down the center of the pocket, 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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