HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles User Manual
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1 Introduction
1
.1 Gener
a
l Inf
o
rm
ation on T
ouc
h Pr
obe Cy
cles
Defining the touch probe cycle in the Programming and Editing
operation mode
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The soft-key row shows all available touch probe
functions divided into groups.
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Select the desired probe cycle, for example datum
setting. Digitizing cycles and cycles for automatic tool
measurement are available only if your machine has
been prepared for them.
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Select a cycle, e.g. datum setting at pocket. The TNC
initiates the programming dialog and asks all required
input values. At the same time a graphic of the input
parameters is displayed in the right screen window.
The parameter that is asked for in the dialog prompt
is highlighted.
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Enter all parameters requested by the TNC and
conclude each entry with the ENT key.
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The TNC ends the dialog when all required data has
been entered.
Example: NC blocks
5 TCH PROBE 410 DATUM INSIDE RECTAN.
Q321=+50 ;CENTER IN 1ST AXIS
Q322=+50 ;CENTER IN 2ND AXIS
Q323=60 ;1ST SIDE LENGTH
Q323=60 ;1ST SIDE LENGTH
Q324=20 ;2ND SIDE LENGTH
Q261=-5 ;MEASURING HEIGHT
Q320=0 ;SET-UP CLEARANCE
Q260=+20 ;CLEARANCE HEIGHT
Q301=0 ;TRAVERSE TO CLEAR HEIGHT
Q305=10 ;NO. IN TABLE
Q331=+0 ;DATUM
Q332=+0 ;DATUM
Group of measuring cycles
Soft key
Cycles for automatic measurement and compensation
of workpiece misalignment
Cycles for automatic datum setting
Cycles for automatic workpiece inspection
Cycles for digitizing with measuring touch probe
(option, not available for ISO)
Cycles for digitizing with measuring touch probe
(option, not available for ISO)
Cycles for automatic tool measurement (enabled by
the machine tool builder, not ISO)