July 2013 8.6 DCM – Dynamic Collision Monitoring 1455
Files The following files are involved in fixture management:
Template for a fixture – *.cft
Variable template for a fixture. This template is created with
KinematicsDesign. Fixture templates from HEIDENHAIN are in the directory
TNC:\system\fixture\JH. Please create a separate directory for your own
fixture templates. Use the FixtureWizard to edit the created *.cft file and to
generate a *.cfx file from it.
Individual fixture – *.cfx
Fixture that can be inserted in the machine kinematics, and have its position
and orientation ascertained. It only contains variables of the Manual input
field type that have to be defined when inserting the fixture. Once a *.cfx
file has been inserted and the position and orientation ascertained, a test
program can be generated from it, if necessary. The *.cfx files created with
FixtureWizard are saved in the same default directory, from which the *.cft
file was opened.
Test programs for fixtures – *.H
Once the fixture has been inserted and its position and orientation
ascertained (*.cfx), the CREATE TEST PROGRAM soft key becomes
available if the fixture contains test points, see page 1475. Press the soft key
to create an NC program, which automatically probes the test points in the
fixture kinematics. In this way, you can check the position and orientation of
the respective fixture.
Test programs are identified by an index and are always saved in the
directory TNC:\system\Fixture\TpCheck_PGM. The index is incremented
automatically if several identical fixtures are inserted at the same insertion
point (e.g. vise.001.H, vise.002.H, vise.003.H).
Please do not change or delete the test programs *.H. The fixture
management needs all these files and usually deletes them automatically
when the fixture is removed from the machine kinematics.
System files for fixture monitoring
Other files necessary for fixture monitoring are automatically saved in the
directory PLC:\Fixture\. Please do not change or delete these files
$tpcheck$.cfg, *.path, *.cfx and *.tab. The fixture management needs all
these files and usually deletes them automatically when the fixture is
removed from the machine kinematics.
Tools The following programs are involved in fixture management:
KinematicsDesign
KinematicsDesign is a program for interactive creation of control kinematics,
fixture templates, completed fixtures and tool carrier kinematics. The
program is available for download from the HEIDENHAIN homepage, and is
available on the iTNC 530 control.
Fixture Wizard
With the FixtureWizard, you use the fixture templates and the templates for
the tool carrier kinematics to generate executable kinematics files for the
control. These kinematics files can be used for DCM collision monitoring of
the control. The program is available for PCs as a part of KinematicsDesign.
It is also available on the control.
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