HEIDENHAIN TNC 620, User Manual

Page: 270 / 521

Testing and running | Program run
6
6.10 Program run
Application
In the
Program run, full sequence
operating mode, the control
executes an NC program continuously to its end or up to a program
stop.
In the
Program run, single block
operating mode, the control
executes each NC block individually after pressing the
NC Start
key.
With point pattern cycles and
CYCL CALL PAT
, the control stops
after each point. The workpiece blank definition will be interpreted as
a separate NC block.
You can use the following control functions in the
Program run,
single block
and
Program run, full sequence
operating modes:
Interrupt program run
Start the program run from a certain NC block
Skip NC blocks
Edit the tool table TOOL.T
Edit the active datum table or compensation table
Checking and changing Q parameters
Superimpose handwheel positioning
Functions for graphic simulation
Additional status display
NOTICE
Caution: Danger due to manipulated files!
If you execute NC programs directly from a network drive or a USB
device, you have no control over whether the NC program has
been changed or manipulated. In addition, the network speed can
slow down the execution of the NC program. Undesirable machine
movements or collisions may result.
Copy the NC program and all called files to the
TNC:
drive
Running an NC program
Preparation
Clamp the workpiece to the machine table
Set a preset
Select the necessary tables and pallet files (status M)
Select the NC program (status M)
Operating notes:
You can change the feed rate and spindle speed using
the potentiometers.
You can reduce the feed rate using the
FMAX
soft
key. This reduction affects all rapid traverse and feed
movements, even after the control has been restarted.
Program Run, Full Sequence
Start the NC program with the
NC start
key
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HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022