Siemens SINUMERIK 840DE

Tool offsets
8.15 Grinding-specific tool monitoring in parts programs (TMON, TMOF)
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
8-67
Parameters
TMON (T no.) Activate tool monitoring
TMOF (T no.) Deselect tool monitoring
T No. = 0: Deactivate monitoring
for all tools
It is only necessary
to specify the T
number if the tool
with this
T number is not
active.
Assignment of tool-specific parameters
Further tool-specific parameters can be set up in the machine data and assigned by the
user.
Parameters Meaning Data type
Tool-specific parameters
$TC_TPG1 Spindle number Integer
$TC_TPG2 Chaining rule
The parameters are automatically
kept identical for the left and
right side of the wheel.
Integer
$TC_TPG3 Minimum wheel radius Real
$TC_TPG4 Minimum wheel width Real
$TC_TPG5 Current wheel width Real
$TC_TPG6 Maximum speed Real
$TC_TPG7 Maximum peripheral speed Real
$TC_TPG8 Angle of inclined wheel Real
$TC_TPG9 Parameter number for radius
calculation
Integer
Requirements
You can only activate tool monitoring if the tool-specific grinding data $TC_TPG1 to
$TC_TPG9 (see /PGA/Programming Guide "Advanced") are set.
According to the machine data settings, tool monitoring for the grinding tools (types 400-499)
can be automatically activated when the tool selection is activated.
Only one monitoring routine can be active at any one time for each spindle.
Geometry monitoring
The current wheel radius and the current width are monitored.
The set speed is monitored against the speed limitation cyclically with allowance for the
spindle override.
The speed limit is the smaller value resulting from a comparison of the maximum speed with
the speed calculated from the maximum wheel peripheral speed and the current wheel
radius.