DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Chapter 30, Problem 11RQ
How is ECM related to chemical machining?
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Chapter 30 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 30 - How do the MRRs for most NTM processes compare to...Ch. 30 - What are the steps in chemical machining using...Ch. 30 - In chemical machining, should the etchant be...Ch. 30 - What are the advantages of chemical blanking over...Ch. 30 - How are multiple depths of cut (steps) produced by...Ch. 30 - Would it be feasible to produce a groove 2 mm wide...Ch. 30 - A drawing calls for making a groove 23 mm wide and...Ch. 30 - Could an ordinary steel weldment be chemically...Ch. 30 - How could you produce a tapered section by...Ch. 30 - What is the principal application of...
Ch. 30 - How is ECM related to chemical machining?Ch. 30 - What effect does work material hardness have on...Ch. 30 - What is the principal cause of tool wear in ECM?Ch. 30 - Would electrochemical grinding be a suitable...Ch. 30 - Upon what factors does the metal removal rate...Ch. 30 - Why is the tool insulated in the ECM schematic?Ch. 30 - What is the nature of the surface obtained by...Ch. 30 - What is the principal advantage of using a moving...Ch. 30 - What effect would increasing the voltage have on...Ch. 30 - If a metal part is quite brittle and the part will...Ch. 30 - If you had to make several holes in a large number...Ch. 30 - Prob. 22RQCh. 30 - Explain (using a little physics and metallurgy)...Ch. 30 - Prob. 24RQCh. 30 - What are some possible defects that can result...Ch. 30 - What are some other uses for the laser other than...Ch. 30 - How does the laser produce coherent light...Ch. 30 - What is ablation?Ch. 30 - What is an excimer?Ch. 30 - In Figure 30.16, what is the protective tape...Ch. 30 - Why is the EBM process done in a vacuum?Ch. 30 - What is the major problem with the redesigned cap...
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- differences of conductive fluids in ECM and EDM processes by highlighting their roles and desirable characteristics.arrow_forwardProblem 1. (Electrochemical Machining) An ECM operation is used to cut a hole into a plate of stainless steel that is 10 mm thick. The hole has a rectangular cross section, 15 mm by 25 mm. The operation is accomplished at a current = 1300 amps. Efficiency is 97%. Determine the feed rate and time to cut through the plate. The specific removal rate C for stainless steel = 2.46 x 10-² mm³/A-s. Problem 2. (Electric Discharge Machining) Iron is to be machined in an EDM operation. If discharge current = 30 amps, what is the expected metal- removal rate? The melting point of iron is known to be 1539°C, and the metal removal rate constant of proportionality K = 664 in Sl units (5.08 in U.S. customary units)arrow_forwardWhat are the advanced strategies and technologies used in optimizing the precision, speed, and tool life of Vertical Machining Centers (VMCs) in modern manufacturing processes, and how do these advancements contribute to increased productivity and reduced production costs?arrow_forward
- what are three basic types of motion control systemused in CNC machining ? provide a brief description of all of thosearrow_forward(b) Suggest TWWO (2) advantages of EDM as compared to Chemical Milling.arrow_forwardWhat is dielectric? Discuss the impact of dielectric properties on machining characteristics in EDM in detailarrow_forward
- In nontraditional machining, which of the following processes can be used on metals only: a. Chemical engraving b. Ultrasonic machining C. None of the listed processes d. Electron beam machining е. Laser beam machiningarrow_forwardInvestigate 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)arrow_forward(b) Suggest TWO (2) advantages of EDM as compared to Chemical Milling.arrow_forward
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