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Special Functions | Dynamic Collision Monitoring (option 40)
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Collision monitoring in the Program Run operating
modes
In the
Positioning w/ Manual Data Input
,
Program Run Single
Block
and
Program run, full sequence
operating modes, the
control stops the program run before an NC block in which two
objects monitored for collision would approach each other within
a distance of less than 5 mm is processed. In this case, the
control displays an error message naming the two objects causing
collision.
If you have selected a screen layout in which the collision objects
are on the right, then the control additionally marks the colliding
objects in red.
NOTICE
Danger of collision!
The machine tool builder has various options for configuring
the
Dynamic Collision Monitoring (DCM)
function. Depending
on the machine, the NC program will be continued without
an error message despite a detected collision, but the tool
will be stopped at the last position without collision. If the NC
program enables a new position without collision, the control
resumes the machining operation and positions the tool at that
position. This configuration of the
Dynamic Collision Monitoring
(DCM)
function results in movements that are not defined in
the program. This process takes place no matter whether
collision monitoring is active or inactive. There is a danger of
collision during these movements!
Refer to your machine manual.
Check the behavior at the machine.
Constraints with program run:
For tapping with a floating tap holder, only the home
position of the floating tap holder is taken into
account by the
Dynamic Collision Monitoring (DCM)
function.
The
Handwheel superimp.: M118
function can only
be used in combination with the
Dynamic Collision
Monitoring (DCM)
when the program run has been
stopped.
The
Dynamic Collision Monitoring (DCM)
function
cannot be used in combination with the
M118
function and the
TCPM
or
M128
function.
If functions or cycles require multiple axes to be
coupled (e.g. for eccentric turning), the control
cannot perform collision monitoring.
If at least one axis operates with following error or is
not referenced, the control cannot perform collision
monitoring.