HEIDENHAIN TNC 128 (77184x-01) - Manual (Page 478)

478 Touch probe cycles
20.8 Measur
ing the t
ool r
a
dius (Cy
c
le 482)
20.8 Measuring the tool radius
(Cycle 482)
Cycle run
To measure the tool radius, program Cycle TCH PROBE 482. Via input
parameters you can select the desired type of measurement for
determining the radius of a tool:
 Measuring the tool while it is rotating
 Measuring the tool while it is rotating and subsequently measuring
the individual teeth.
The TNC pre-positions the tool to be measured to a position at the side
of the touch probe head. The distance from the tip of the milling tool
to the upper edge of the touch probe head is defined in
offsetToolAxis. The TNC probes the tool radially while it is rotating. If
you have programmed a subsequent measurement of individual teeth,
the control measures the radius of each tooth with the aid of oriented
spindle stops.
Please note while programming:
Before measuring a tool for the first time, enter the
following data on the tool into the tool table TOOL.T: the
approximate radius, the approximate length, the number
of teeth, and the cutting direction.
Cylindrical tools with diamond surfaces can be measured
with stationary spindle. To do so, define in the tool table
the number of teeth CUT as 0 and adjust machine
parameter CfgToolMeasurement. Refer to your machine
manual.