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Machining the Workpiece 08/2005
3.6 Controllin
the
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ram
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♥ Siemens AG, 2005. All rights reserved
3-102 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
3.6 Controlling the program
If you want to check previously obtained results while machining a
workpiece, you can have the machining stop at specially marked
points (programmed stop). Within the sequential control program, the
stop occurs at the “safety distance” position.
Conversely, if you do not want to execute certain machining steps
programmed in G codes on every program run, you can mark these
blocks accordingly (skip G code blocks). This is not possible with
sequential control blocks.
You can also choose to allow DRF offsets, i.e. offsets with the
handwheel, during machining. This function must be set up by the
machine manufacturer.
Please also refer to the machine manufacturer's instructions.
Programmed stop
Load a program in "Machine Auto" mode (see Sec.
"Starting/stopping program execution").
Press the "Prog. Cntrl." softkey.
Program.
stop
Press the "Program. stop" softkey.
Cycle Start
Press the "Cycle Start" key.
Execution of the program starts. The program stops at each block for
which the G-code command "M01" was programmed (see Sec. "G-
code in the sequential control program").
Cycle Start
Press the "Cycle Start" key again each time.
Execution of the program is continued.
Program.
stop
Press the "Program. stop" softkey again if you want the program
to be executed without a programmed stop. (The softkey is
deactivated again.)
Skipping G code blocks
Load a program in "Machine Auto" mode (see Sec.
"Starting/stopping program execution").
Press the "Prog. Cntrl." softkey.
Skip
Press the "Skip" softkey.
Cycle Start
Press the "Cycle Start" key.
Execution of the program starts. G code blocks with the "/" character
(slash) in front of the block number are not executed.
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