I always put in the dia. of the tool. then fine tune it when you measure your parts.
providing your program is exactly what your part size is.
if you programed your part and offsetted your tool ( in the program) .250 then you could use the .003+ or - but doing so you are more than likely to make mistakes and if you change endmills to a bigger one you will have a huge number in there that will make no sence. |