Contour Follow-Up In Teach-In Submode; Cycle Keys - HEIDENHAIN 548431-05 User Manual

5

Contour follow-up in Teach-in submode

The contour follow-up function updates the originally defined
workpiece blank with every machining step. The turning cycles take
the current contour of the workpiece blank into account for the
calculation of infeed and machining paths. Air cuts are avoided and
approach paths optimized.
To activate contour follow-up in Teach-in submode, program a
workpiece blank and select "With contour follow-up" in the RG
parameter.
Further information:
When contour follow-up is active, you can also use
modal functions, such as interrupted feed or datum shift.
Contour follow-up can only be used for turning
operations and centric drilling.
Cycle run with active contour follow-up (RG: 1):
Pressing the NC start key initiates a search for the selected
cycle for mid-program startup
The next NC start executes the M commands (e.g. direction of
rotation)
The next NC start positions the tool to the last programmed
coordinates (e.g. tool change point)
The next NC start runs the selected cycle

Cycle keys

You can execute a programmed Teach-in cycle by pressing the
NC start key. NC stop interrupts a running cycle. If NC stop is
pressed during thread cutting, the tool is lifted off the contour and
then stopped. The cycle has to be restarted.
During a cycle interruption you can:
Resume cycle execution with the NC start key. The control
will always resume execution of the cycle at the point of
interruption, even if you have moved the axes in the meantime
Move the axes with the manual direction keys or the handwheel
Terminate the machining process with the BACK soft key
174
"Workpiece blank cycles", Page 181
Teach-in | Working with cycles
HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017