Question

A face milling operation is performed to finish the top surface of a steel rectangular workpiece 12.0 in long by 2.0 in wide. The milling cutter has four teeth (cemented carbide inserts) and a 3.0 in diameter. Cutting conditions are: v =500ft/min,f=0.010in/ tooth, and d=0.150in. Determine: (a) the time to make one pass across the surface,

Answer 1

The time to make one pass across the surface in a face milling operation is approximately 5.8 seconds.

Step-by-step explanation:

To determine the time to make one pass across the surface in a face milling operation, we can use the formula:

Time = (Number of teeth * Chip load * Feed rate * Length of workpiece) / Cutting speed

Plugging in the given values, we get:

Time = (4 teeth * 0.010 in/tooth * 12.0 in * 2.0 in) / 500 ft/min = 0.096 min or 5.8 seconds (rounded to one decimal place).