a) A face milling operation is not yielding the required surface finish on the work. The cutter is a four-tooth insert type face milling cutter. The machine shop foreman thinks the problem is that the work material is too ductile for the job, but this property tests well within the ductility range for the material specified by the designer. Without knowing any more about the job, describe THREE (3) changes in i. cutting conditions ii. tooling would you suggest to improve the surface finish?

a) A face milling operation is not yielding the required surface finish on the work. The cutter is a four-tooth insert type face milling cutter. The machine shop foreman thinks the problem is that the work material is too ductile for the job, but this property tests well within the ductility range for the material specified by the designer. Without knowing any more about the job, describe THREE (3) changes in i. cutting conditions ii. tooling would you suggest to improve the surface finish?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

a) A face milling operation is not yielding the required surface finish on the work. The cutter is a
four-tooth insert type face milling cutter. The machine shop foreman thinks the problem is that
the work material is too ductile for the job, but this property tests well within the ductility range
for the material specified by the designer. Without knowing any more about the job, describe
THREE (3) changes in
i.
cutting conditions
ii. tooling
would you suggest to improve the surface finish?

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1. In face milling, the axis of the cutter is tangent to the surface being milled. (a) true or (b) false 2. When product variety is hard, the usual approach is batch production.(a) true or (b) false 3. In a turning operation, the change in diameter of the workpart is equal to which one of the following:(a) 1 x depth of cut, (b) 2 x depth of cut. (c) 1 x feed, or (d) 2 x fe feed? 4. A turning operation is normally performed on which one of the following machine tools: (a) drill press, (b) lathe, (c) milling machine, (d) planer, or (e) shaper? 5. Machined parts can be classified as rotational or nonrotational. Which of the following are examples of operations that create nonrotational geometries: (a) boring, (b) drilling, (c) milling. (d) planning, and (e) turning?
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In an orthogonal machining with a tool of 9 degree orthogonal rake angle, the uncut chip thickness is 0.2mm. The chip thickness fluctuates between 0.25 mm and 0.4 mm. The ratio of the maximum shear angle to the minimum shear angle during machining is
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Manufacturing Fill in the blanks
1. Peripheral milling is performed on the top surface of a rectangular work part that is 350 mm long by 60 mm wide. The milling cutter is 75 mm in diameter and has five teeth. It overhangs the width of the part on both sides. Cutting speed 55 m/min, chip load 0.25 mm/tooth, and depth of cut 5 mm. Maximum material removal rate during the cut will be mm/s. (a) 1419, (b) 1429, (c) 1439, (d) 1449, (e) 1459
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