Before you mill the spigot, you must first enter a blank contour and then one or more spigot
contours. The blank contour defines the area, outside of which there is no material, i.e. the
tool moves with rapid traverse there. Material is then removed between the blank contour and
spigot contour.
Note
Execution from external media
If you execute programs from an external drive (e.g. local drive or network drive) then you
require the execution from external storage function (EES).
For additional information, please refer to the following references:
SINUMERIK Operate Commissioning Manual
Input simple
For simple machining operations, you have the option to reduce the wide variety of parameters
to the most important parameters using the "Input" selection field. In this "Input simple" mode,
the hidden parameters are allocated a fixed value that cannot be adjusted.
Machine manufacturer
Various defined values can be pre-assigned using setting data.
Please refer to the machine manufacturer's specifications.
If the workpiece programming requires it, you can display and change all of the parameters
using "Input complete".
Machining type
You can select the machining mode (roughing, base finishing, edge finishing, chamfer) for
milling. If you want to rough and then finish, you have to call the machining cycle twice (Block
1 = roughing, Block 2 = finishing). The programmed parameters are retained when the cycle
is called for the second time.
Approach/retraction
1. The tool approaches the starting point in rapid traverse at the height of the retraction plane
and goes to the safety clearance. The cycle calculates the starting point.
2. The tool first infeeds to the machining depth and then approaches the spigot contour from
the side in a quadrant at machining feedrate.
3. The spigot is machined in parallel with the contours from the outside in. The direction is
determined by the machining direction (climbing or conventional).
4. When the first plane of the spigot has been machined, the tool retracts from the contour in
a quadrant and then infeeds to the next machining depth.
5. The spigot is again approached in a quadrant and machine in parallel with the contours
from outside in.
Programming technological functions (cycles)
10.3 Contour milling
Milling
508 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
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