Detailed Description
2.1 Tool
Basic logic functions: Tool Offset (W1)
18
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Cutting edge number CE
When you rename D numbers, the information in the tool Catalog detailing the numbers
defined for these cutting edges is lost. It is, therefore, impossible to determine, following
renaming, which cutting edge of the Catalog is being referenced.
Since this information is required for retooling procedures, a cutting edge number CE has
been introduced for each cutting edge. This number remains stored when the D number is
renamed.
The D number identifies the cutting edge compensation in the part program. This
compensation number D is administered separately from the cutting edge number CE (the
number in the tool Catalog). Any number can be used. The number is used to identify a
compensation in the part program and on the display.
The CE number identifies the actual physical cutting edge during retooling. The cutting edge
number CE is not evaluated by the NCK on compensation selection during a tool change
(only available via the OPI).
The cutting edge number CE is defined with system variable $TC_DPCE[t,d]:
•
t stands for the internal T number.
•
d stands for the D number.
Write accesses are monitored for collisions, i.e., all cutting edge numbers of a tool must be
different. The variable $TC_DPCE is a component of the cutting edge parameter data set
$TC_DP1 to $TC_DP25.
It is only practical to parameterize $TC_DPCE if the maximum cutting edge number
(MD18105) is greater than the maximum number of cutting edges per tool (MD18106).
In this case, the default cutting edge number is the same as the classification number of the
cutting edge. Compensations of a tool are created starting at number 1 and are incremented
up to the maximum number of cutting edges per tool (MD18106).
The cutting edge number CE is the same as the D number (in compatibility with the behavior
till now) if:
MD18105 ≤ MD18106.
A read operation returns CE=D. A write operation is ignored without an alarm message.
Note
The compensation values $TC_DP1 to $TC_DP25 of the active tool compensation can be
read with system variable $P_AD[n], where n=1 to 25. The CE cutting edge number of the
active compensation is returned with n=26.
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...