A tool change command (M206) must always precede a prepare tool change command. A
change command without a previous "Prepare tool change" job will not initiate a job from the
tool management.
You will find the expression 1:1 change in the program sequence. This means that the tool
change will be carried
out in a single cycle. The tool from the spindle (old tool) will be set down
at the magazine location of the new tool. No additional magazine positioning is required. In
this case, the target location of the old tool in the tool management job is the same as the
source location of the new tool (DB43xx.DBW6 and DBW8 are equal to DBW18 and DBW20).
A 1:1 change is not possible for:
● Tools with different location types
● Different tool sizes
● Fixed-location tools
By programming T0 in the NC program, a tool change is initiated without a new tool. Only the
spindle tool is transported to the magazine (empty the spindle).
① ... ⑭ refer to the steps in the flow diagram below.
You can see the different acknowledgment options from the steps. Job-related
acknowledgments and asynchronous messages are used. Please take the transfer steps used
from the table in Section Example: Acknowledgment steps (milling machine) (Page 330)
Tool management
9.8 Application example for milling machine
CNC commissioning
322 Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
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