SMW SPACESAVER 2400S, Инструкция по установке, эксплуатации и обслуживанию

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Chapter 4 – Operation
SS2400T/S
4-23
4.10.2.10 #003 – END OF BAR M-CODE (EOB M-CODE)
Parameter #003 defines the barfeeder behaviour in situation, when the clamping device is
closed and the lathe sends the M-code.
If the lathe sends the M-code at the clamping device closed, the M-code is not understood as
a feed command, but as an end of bar test. This M-code is called EOB M-code.
#003 End of Bar Description
Not present At leading edge of the EOB M-code the barfeeder starts the
same motion as at start of the automatic cycle. When the
pusher stops in contact with the clamped bar or when it
arrives to the position #102
,
the barfeeder signs off the
EOB M-code and returns the pusher back to initial position. If
during the forward motion the barfeeder detects End of Bar, it
processes the End of Bar signal in accordance with the
setting of the parameter #002.
This function can be used for the measurement of the length
of the bar in the lathe.
Pusher
motion
Present If the barfeeder has already declared the End of Bar, the
pusher will not move at the leading edge of EOB M-code. In
this case the barfeeder waits 0.5 s, and after it signs off the
EOB
M-code. The End of Bar signal is processed in
accordance with the setting of the parameter #002.
Not present Immediately after the receipt of the EOB M-code, the
barfeeder signs it off.
Stand Still
Present After the receipt of the EOB M-code the barfeeder wait 0.5 s,
and after it sings off the EOB M-code.
4.10.2.10.1 SPECIAL EOB M-CODE CASE
The EOB M-code also means the M-code with the clamping device open, in particular in the
following situations.
#001 Description
ON If the barfeeder feeds on M-code (#001= ON ), then the first M-code after the
clamping device opening is the M-code initiating the feeding.
If the lathe sends other M-code after the sign-off of the first M-code, the
barfeeder deems all these other M-codes as EOB M-codes. Consequently,
the barfeeder signs them off either immediately after the receipt or after 0.5
dwell, depending on the state of the end of bar.
In this case EOB M-codes do not cause any motion of the pusher. At this
moment the barfeeder continues the feeding i.e. it pushes on the stopper or
stands with the pusher in the position as long as the clamping device is
open.
OFF
The barfeeder behaves like at
ON state
. However with the open clamping
device all M-codes are deemed EOB M-codes, as the barfeeder feeds not
on the M-code, but on the clamping device open only.
4.10.2.10.2 EOB M-CODE USE
EOB M-code is used, for example, by Mazak lathes, which in the end of bar testing send the
M-code (M69) to the barfeeder. The barfeeder must be able to differentiate this code from
the code intended as a feeding command, and must process the EOB M-code properly.