A person cuts a piece of Bronze that is 5\" long with a 2.5\"diameter down to 2.100 Dia.
It is done in 2 roughing passes and 1 finishing pass.
First pass from 2.5\" to 2.3\"
Second Pass from 2.3\" to 2.110\"
Third pass from 2.110\" to 2.100\"
What is the machine cutting time (in seconds)?
CS= 110 fpm for roughing and 140 fpm for finishing
Feed = .02 \"/rev for roughing and .01\"/rev for finishing
