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Fast machining at specified accuracy
You as user specify the accuracy of the
machined contour—apart from the NC
program. You simply enter in the control
through a cycle the maximum permissible
deviations from the ideal contour. The TNC
640 automatically adapts the machining to
the tolerance that you define. No contour
damage occurs with this method.
High availability
In the uniformly digital control concept of
the TNC 640, all components are con-
nected to each other via purely digital
interfaces: The control components are
connected via HSCI (HEIDENHAIN Serial
Controller Interface), the real-time protocol
from HEIDENHAIN for Fast Ethernet, and
the encoders are connected via EnDat 2.2,
the bidirectional interface from
HEIDENHAIN.
This achieves a high degree of availability
for the entire system. It can be diagnosed
and is immune to noise—for everything
from the main computer to the encoder.
The uniformly digital design from
HEIDENHAIN guarantees not just very
high accuracy and surface quality, but high
machining speeds as well—regardless of
whether you are milling or turning.
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