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Cnc Programming Interview Questions in Cnc Programming Tutorial
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How Does It Work About The Reference- And End-swi...
1.
How Does It Work About The Reference- And End-switches?
Answer»
Pin11(reference-switch) must be on signal-ground when the program starts and ends.
Pin10(end-switch) is
NORMALLY
CLOSED
to GND. If open, it can trigger a reference drive.
When reference(Pin11) is open and end-switch(Pin10) opens also, then drive back to orgin!
This saves
TIME
in case of interruption of processing. Pin10 is also good for overload use.
All
9
axis will be driven back to orgin, one after the other.
ORDER
: W-V-U T-S-R Z-Y-X.
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