Investigate the non-traditional machining methods. Describe each in your own words and sketch out the process and appropriate scale (inches/microns etc). Then tabulate the material removal mechanism, workpiece materials, applications, costs/speed, advantages and limitations/disadvantages of each. The slides are for your starting point. List references, articles, videos, etc... Mechanical Methods 1. Water Jet Machining (WJM) 2. Abrasive Water Jet Machining (AWJM) 3. Ultrasonic Machining (USM) Non-Mechanical Methods 1. Electrochemical Machining (ECM) 2. Electro-Discharge Machining (EDM) 3. Wire EDM 4. Laser Drilling 5. Electron beam machining (EBM)

Investigate the non-traditional machining methods. Describe each in your own words and sketch out the process and appropriate scale (inches/microns etc). Then tabulate the material removal mechanism, workpiece materials, applications, costs/speed, advantages and limitations/disadvantages of each. The slides are for your starting point. List references, articles, videos, etc... Mechanical Methods 1. Water Jet Machining (WJM) 2. Abrasive Water Jet Machining (AWJM) 3. Ultrasonic Machining (USM) Non-Mechanical Methods 1. Electrochemical Machining (ECM) 2. Electro-Discharge Machining (EDM) 3. Wire EDM 4. Laser Drilling 5. Electron beam machining (EBM)

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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E Expert Q&A 1. Shaper (#X) Machine function and design requirements: The main function of this machine is to make surface more smooth; The required movements are: Reciprocating movement of planer knife and feed movement of the bow. It is required that the cutting speed is uniform, while the quirkily return is included. The basic data is: principal axis rotation speed is 60 r/min, the max length is less than 450 mm, the distance between working surface and the floor is 800 mm. Travel speed ratio co-efficient is 1.5, allowable pressure angle 15°, cutting quantity is 0.1~0.5 mm. Requirements: 1. Freedom calculations; 2. Force analysis; 3. Make this machine, and display; please give a solution with given condition.
List four industries that depend on machining. How do you understand English and metric(SI) measurement systems and perform conversions between the two? List the two most common methods for measuring surface finish. what is the difference between ferrous and nonferrous metal. What is purpose of the layout? Briefly contrast the difference between drilling and reaming operations. How do you understand this class of Precision Machining Technology?
A selection between advanced machining operation and conventional machine operation is to be made for mass production of 1000 parts. The part is a 20mm thick stainless steel plate and a hole of 10mm must be drilled. Calculate time required, material removal rate and feed rate for both processes to make a known decision to save production cost. The ECM process require 1000amp current with an expected efficiency of 90% whereas the conventional drilling is to be done with 8mm drill through hole. The point angle is 118°. The cutting speed is 15m/min and the feed is 0.30 mm/rev. The part handling time for ECM is 1min whereas for conventional process is 1.5min with the use of jig.
Number of manufacturing processes are listed below. Each manufacturing process has some technological capabilities. Anticipate the best technological capability per each manufacturing process: Turning: Commonly used materials: ( metals, plastics, non-ferrous metals, composite materials, semiconductors). Process variations: ( can be automated, can not be automated, potential for linking with CAD very high). Typical applications: ( any component with rotational symmetrical elements, fillet corners and chamfer edges where possible to increase tool life, pressure vessels, I - section beams, engine blocks).
Problem 2. Turning Consider Step 2 (Turn Shoulder) in machining the flashlight handle (Figure 2). STEP 1: CUT TO LENGTH STEP 2: TURN SHOULDER 0.600 1.0" 3.000 -0.440 Figure 2. Turning step for Problem 2. i) Calculate the (1) cutting time (in s), (2) the material removal rate (in in3 /s or mm3/s) for this cut, assuming you remove all of the material with one pass (i.e., depth of cut d = (1"-0.6")/2 = 0.2"), and (3) the power (hp or W) required for this turning operation: Consider the following scenarios: Feed (f) in/rev Rotational Speed Cutting Time MRR Power (n) in RPM 0.02 1000 ? ? ? 0.025 900 ? ? ? 0.03 800 ? ? ? 1 j) What changes could you make to the process if you needed to decrease the power requirement?
Identify a secondary machining process from the following. [A] Brazing [B] Broaching [C] Buffing [D] Bending
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QUESTION 2 Tool life is the most important factor in the evaluation of machinability. Tool life can be defined as the period of time which the tool cuts effectively and efficiently. A cutting tool should have a long tool life. On the other hand, the cutting speed decreases the tool life due to the abrasive action that occurs between the cutting tool and materials. The increase in cutting speed will decrease the machining time, thus reduce the total machining cost. Justify what actions should be taken to increase the tool life and at the same time shorten the machining time.
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v. docs.google.com/forms Which of the following methods uses combination of electrical and chemical energy for machining? (a) USM (b) ECM (c) AJM (d) EBM (a) O (b) O (c) O (d) O In EDM, better surface finish is obtained at low frequency and low discharge current low frequency and high discharge current high frequency and low discharge current high frequency and high discharge current
1. Why are nontraditional machining methods (NTM) required as compared to conventional machining methods? 2. What industries have benefitted from the development of NTM operations? 3. Select an industry and describe how the industry you have chosen uses nontraditional machining in its manufacturing.
Segmental chips are formed during machining_a ⚫ mild steel b ⚫ cast iron c⚫ high speed steel d ⚫ high carbon steel