A block of ductile cast iron

    Question 3 A block of ductile cast iron 4” long x 6” wide x 10” long. The cutter to be used has a 5 inch diameter with 6 C7 carbide inserts. The work piece has a hardness of BHN 180 and the depth of cut is .055. Determine the following:1. Spindle Speed in R.P.M2. Recommended cut per tooth3. Feed Rate in inches per minute.