W3: Tool change
16.3 Tool change times
Extended Functions
796 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
16.3 Tool change times
Tool change times depend strongly on the design layout of the machine tool.
Typical tool change times
0.1 to 0.2 s for advancing a turret
0.3 to 2 s for tool change with gripper for a prepared tool
16.4 Cut-to-cut time
The cut-to-cut time is the period that elapses when a tool is changed between retraction from
the interruption point on the contour (from cut) and repositioning at the interruption point
(return to cut) with the new tool when the spindle is rotating.
Typical cut-to-cut times are as follows:
Typical cut-to-cut times
0.3 to 1 s for turning machine with turret
0.5 to 5 s for milling machine with automatic tool changer
16.5 Starting the tool change
Variants
The tool change can be actuated by:
● T function
● M command (preferably M06)
Parameterization
Which control versions should be effective is defined with the machine data:
MD22550 $MC_TOOL_CHANGE_MODE
Value Meaning Typical application
0 The T function loads the new tool immediately. Turning machines with tool turret
1 New tool with T function prepared for change and
placed in the tool change position simultaneously
during the machining time.
The M command is used to remove the old tool
from the spindle and load the new tool.
Milling machines with a tool magazine,
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