Individually Check Teeth - Siemens SINUMERIK 840D sl Programming Manual
Measuring cycles
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- Function manual (2184 pages) ,
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Note
If, when calling a measuring cycle, the spindle is already rotating, then this direction of rotation
is kept independent of the general SD 54674 $SNS_MEA_CM_SPIND_ROT_DIR!
3.6.3.3
Individually check teeth
Individually check teeth
The "Individually check teeth" function can be used for remeasuring (offset in the wear) and
initial measuring (offset in the geometry). Milling tools with up to 100 cutting edges can be
measured.
A check is made as to whether the measured values of all cutting edges are within a defined
tolerance range:
● Upper limit: Safe area TSA and dimensional difference control DIF
● Lower limit: Work offset range TZL
If the measured values are outside the tolerance range, an alarm is output.
If the measured value of the longest cutting edge is within the tolerance range, this is entered
in the tool management. Violation of the lower limit is not corrected.
Note
The "individually check teeth" function is only possible in conjunction with the Tool
measurement with rotating spindle (Page 293) function.
Length measurement
The tool is positioned to the side of the probe and below the upper edge of the probe in the
offset axis. To determine the spindle position of a cutting edge, the probe makes contact twice
with the rotating tool.
This is followed by the length measurement with stationary spindle. For this purpose, the tool
is positioned above the probe and offset by the tool radius to the center of the probe.
First, the cutting edge whose spindle position has been determined through lateral contact is
measured. The other cutting edges are measured through spindle orientation.
After the measurements, the measured value of the longest cutting edge is entered in the tool
offset, when this is within the tolerance range.
Radius measurement
For radius measurement, the distance between the cutting edges must be identical (example:
A tool with three cutting edges has a cutting edge every 120 degrees).
The tool is positioned to the side of the probe and below the upper edge of the probe in the
offset axis. To determine the spindle position of the longest cutting edge, the probe makes
contact twice with the rotating tool.
Measuring cycles
Programming Manual, 12/2017, 6FC5398-4BP40-6BA1
Measuring variants
3.6 Measure tool (milling)
295
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