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Intelligent machining
– Machining any contour slots with trochoidal milling
The benefit of trochoidal milling is its ultra-
efficient machining of slots of all kinds.
The roughing process is a circular motion
superimposed on a forward linear motion.
This procedure is referred to as trochoidal
milling. It is used particularly for milling
high-strength or hardened materials, where
the high loads placed on the tool and
machine usually only permit small infeeds.
With trochoidal milling, on the other hand,
large cutting depths are possible since
the prevailing cutting conditions do not
increase the wear and tear on the tool. On
the contrary, the entire length of a plain
cutter’s cutting edges can be used. This
enables you to achieve a greater chip
volume per tooth. Circular plunging into the
material places less radial force on the tool.
This reduces the mechanical load on the
machine and prevents vibration. Enormous
time savings can be realized by combining
this milling method with the integrated
adaptive feed control (AFC) option.
The slot to be machined is described in
a contour subprogram as a contour train.
You define the dimensions of the slot and
the cutting data in a separate cycle. Any
residual material remaining can then easily
be removed with a subsequent finishing
cut.
The benefits include:
• Engagement of the entire cutter length
• Higher chip volume
• Relieves mechanical load on the machine
• Less vibration
• Integrated finishing of the side wall
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