Stock Removal With 2 Synchronized Channels - Siemens SINUMERIK 840D sl Operating Manual

Multi-channel machining
11.2 Multi-channel support
Note
Block search mode "with program test"
For multi-channel programs, the block search mode should be used with "with program test",
as this takes into account the synchronization between the programs.
Note
Search target via "Search pointer"
The "Search Pointer" window is displayed - as usual - over the complete lower part of the
screen. The upper contents of the window remain multi-channel.
The actual channel is displayed in the title bar of the "Search Pointer" window.
The "Delete search pointer" also only acts on this channel.
Note
Search target via "Search text"
If, for a block search, you approach the program position using "Search text", please note that
a search is only made in the selected channel column.
11.2.13

Stock removal with 2 synchronized channels

With multi-channel lathes, you have the option of simultaneously machining with 2 channels
(4 axes).
The tools are located in front of and behind the center of rotation, and machine the same
workpiece. For sufficiently long cuts, these are simultaneously used at different depth infeeds,
with a specified offset.
636
- OR -
Press the "Interrupt position" softkey if you wish to search for the
search target using a program interrupt.
- OR -
Press the "Search pointer" softkey if you wish to enter a search
target that you cannot enter using the editor (e.g. no interrupt po‐
sition, search target is located in the subprogram) and enter the
program path.
5. Press the "Start search" softkey.
The search starts.
All channels of the group are started corresponding to the search
mode that has been set.
During the block search, the search states are displayed in a mes‐
sage window (e.g. "Block search running").
You receive a message if the search target has been reached - or
an error message if the search target was not found.
Operating Manual, 05/2017, A5E40868721
Turning