HEIDENHAIN iTNC 530 359
11.6 Adaptive Feed Control Software Option (AFC)
Adaptive feed control (AFC) offers the following benefits:
îš„ Machining time is optimized
By controlling the feed rate, the TNC tries to maintain the recorded
maximum spindle power during the entire machining time. It
shortens the machining time by increasing the feed rate in
machining zones with little material removal.
îš„ The tool is monitored
If the spindle power exceeds the recorded maximum value, the TNC
decreases the feed rate until the reference spindle power is
reattained. If the maximum spindle power is exceeded during
machining and at the same time the feed rate falls below the
minimum that you defined, the TNC reacts by shutting down. This
helps to prevent further damage after a tool breaks or is worn out.
 The machine’s mechanical elements are protected
Timely feed rate reduction and shutdown responses help to avoid
machine overload.
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