A face milling operation is used to machine 6.0 mm from the top surface of a rectangular piece of aluminum 300 mm long by 125 mm wide in a single pass. The cutter has four teeth (cemented carbide inserts) and is 150 mm in diameter. The cutting speed = 2.8 m/s, and chipload = 0.27 mm/tooth. Assuming that the cutter enters the workpiece from its short side and follows a path that is centered over the workpiece, determine: i) the actual machining time to make the pass across the surface and, ii) the maximum metal removal rate during cutting.

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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d) A face milling operation is used to machine 6.0 mm from the top surface of a rectangular
piece of aluminum 300 mm long by 125 mm wide in a single pass. The cutter has four teeth
(cemented carbide inserts) and is 150 mm in diameter. The cutting speed = 2.8 m/s, and
chipload = 0.27 mm/tooth. Assuming that the cutter enters the workpiece from its short side
and follows a path that is centered over the workpiece, determine:
i) the actual machining time to make the pass across the surface and,
ii) the maximum metal removal rate during cutting.
Transcribed Image Text:d) A face milling operation is used to machine 6.0 mm from the top surface of a rectangular piece of aluminum 300 mm long by 125 mm wide in a single pass. The cutter has four teeth (cemented carbide inserts) and is 150 mm in diameter. The cutting speed = 2.8 m/s, and chipload = 0.27 mm/tooth. Assuming that the cutter enters the workpiece from its short side and follows a path that is centered over the workpiece, determine: i) the actual machining time to make the pass across the surface and, ii) the maximum metal removal rate during cutting.
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