Is the programmed S value co-incide with the value on the screen?
If so, that is strange as the screen value is usually taken from the spindle encoder which is generally located on the final spindle shaft (actual sp speed).
I thought at first it might be a wrong gear problem, but the sysmptoms would probabally be opposite.
Is it direct drive or is their gearing?
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.