In Finish Machining of an Island on a Casting with CNC

Multiple Choice

In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0) , (0, 30) , (50, 30) and (50, 0) . By applying cutter radius right compensation, the trajectory of the cutter will be

A) (-5, 0) , (-5, 35) , (55, 35) , (55,-5) , (-5,-5)
B) (0,-5) , (55,-5) , (55, 35) , (-5, 35) , (-5,-5)
C) (5, 5) , (5, 25) , (45, 25) , (45, 5) , (5, 5)
D) (5, 5) , (45, 5) , (45, 25) , (5, 25) , (5, 5)