Gentlemen,
I have a request for consideration
When setting the Z offset (ie g55...) it is sometimes confusing to the
operator how to implement the tlo into the value written into the var file.
start machine
home machine
make sure z and w values are zero
mdi g43 H(ToolOffsetNumber) to put the value in the W axis
here is where the confusion comes
the operator will set Z zero now and be off by the tlo
the operator will
g49
g91g28z0w0 to raise the tool to zeros
and then do another
g43 H(tlo)
g90g00z0w0
the machine will alarm because the spindle will try to
raise by the tlo amount
the operator needs to
put the tlo value in the set window when setting the g55
offset value
or
g90g00z(-tlo)w0
then the tlo is in the set value written to the var file
here is my request for thought
It seems to me to allow the Z and W values to be summed and written into the
g55 offset value would obviate the need for the operator to finesse the
system.
admittedly this would only be valid when A and B are zero but that is the
case in all situations
if the zero needs to be set with the tool at some angle accommodations for
the angle must be taken into account
thoughts comments welcome
thanks
Stuart
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