DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 28, Problem 29RQ
How do honing stones differ from grinding wheels?
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Chapter 28 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 28 - What are machining processes that use abrasive...Ch. 28 - What is attrition in an abrasive grit?Ch. 28 - Why is friability an important grit property?Ch. 28 - Explain the relationship between grit size and...Ch. 28 - Why is aluminum oxide used more frequently than...Ch. 28 - Why is CBN superior to silicon carbide as an...Ch. 28 - What materials commonly are used as bonding agents...Ch. 28 - Why is the grade of a bond in a grinding wheel...Ch. 28 - How does grade differ from structure in a grinding...Ch. 28 - Prob. 10RQ
Ch. 28 - How does loading differ from glazing?Ch. 28 - What is meant by the statement that grinding is a...Ch. 28 - What is accomplished in dressing a grinding wheel?Ch. 28 - How does abrasive machining differ from ordinary...Ch. 28 - Prob. 15RQCh. 28 - How is the feed of the workpiece controlled in...Ch. 28 - Why is grain spacing important in grinding wheels?Ch. 28 - Prob. 18RQCh. 28 - How does plunge-cut grinding compare to...Ch. 28 - Prob. 20RQCh. 28 - What is the purpose of low-stress grinding?Ch. 28 - How is low-stress grinding done compared to...Ch. 28 - Prob. 23RQCh. 28 - Why are centerless grinders so popular in industry...Ch. 28 - Explain how an SEM micrograph is made. Check the...Ch. 28 - Why are vacuum chucks and magnetic chucks widely...Ch. 28 - How does creep feed grinding differ from...Ch. 28 - Why does a lap not wear, even though it is softer...Ch. 28 - How do honing stones differ from grinding wheels?Ch. 28 - What is meant by charging a lap?Ch. 28 - Why is a honing head permitted to float in a hole...Ch. 28 - How does a coated abrasive differ from an abrasive...Ch. 28 - Why are the bottoms of chips shown in Figure 28.9...Ch. 28 - Prob. 34RQCh. 28 - What are the common causes of grinding accidents?Ch. 28 - What other machine tool does a surface grinder...Ch. 28 - Figure 28.11 showed residual stress distributions...Ch. 28 - In grinding, what is infeed versus cross feed?Ch. 28 - One of the problems with waterjet cutting is that...Ch. 28 - In AWC, what keeps the abrasive jet from machining...Ch. 28 - Prob. 1PCh. 28 - Explain why it is that a small particle of a...Ch. 28 - In grinding, both the wheel and workpiece are...
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- 11) An internal bore is ground to 100 mm, removing 0.3 mm stock. To accomplish this, a grinding wheel 80% of the finished size is used. The wheel is dressed every 15 cycles because it is observed that the radial wheel wear is 0.05 mm on average. Assume wheel and part widths are equal. a. What dressing depth would you recommend and why? b. Calculate the G-ratio of this operation.arrow_forwardWhat are the three benefits of precision grinding?arrow_forward9-a- (iv) Which material is used make grinding wheel? Give reason?arrow_forward
- QUESTION 5 a) What are the four common materials used as abrasives in the grinding process? List them in their order of relative hardness-i.e. from hard, harder to hardest to extremely hard? (CO3, PO2, C4) b) Describe the advantages of the Computer Numerical Controlled (CNC) milling machine as compared to the conventional or manually operated one? (CO3, PO2, C4) c) What are the advantages and disadvantages of welding compared to other types of assembly operations? (CO3, PO2, C4)arrow_forwardExplain the material and equipment for grinding lathe tool bits.arrow_forward. Briefly explain the working of a centerless grinding operation with a neat sketch?arrow_forward
- 5. Types of Grinding Wheel Machines and their outputs. (atleast 3)arrow_forwardWhich of the following grinding processes used in a highly productive form: a. Centerless grinding b. Superfinishing c. Surface grinding d. Internal grinding e. External cylindrical grindingarrow_forwardSubject: Manufacturing Processes Please do all partsarrow_forward
- a) Explain with a neat diagram about Honing process (Minimum one and half page)b) What is grit and grade in a grinding wheel? and referarrow_forwardYou are designing a bench grinder with an operating speed of 3600 rpm. a) If you want the grinder to get to be able to reach its full operating speed in 4 seconds, what must the rate of angular acceleration be in radians per second squared? b) If the grinding wheel has a diameter of 8 inches, what will the speed of the surface of the wheel be? SKILarrow_forwardWhat are the two forms of abrasives used in benchwork?arrow_forward
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