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 12, Problem 15RQ
To determine
The effect of nominal and tolerance values in manufacturing process.
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Students have asked these similar questions
In the context of our teaching and learning, which
one of the below statements is mostly correct
about in the creation of detailed design of a
component?
In deciding the tolerance, the guidance is the
tighter the better.
I am the designer, so I decide the required
tolerance as l like.
The tolerance is determined by the function.
The chance to manufacture component to the
exact size is like to win a lottery. I would enjoy
winning a lottery, so I should specify all the
dimensions as exact, no tolerance to be
considered at all.
What is relation between product tolerance (engineering tolerance) and process variation.? Explain in some details showing some representation.
Analyze the following study in terms:
Components of variations and their contributions
X Chart and R Chart
What is the testing plan for universal testing machines? How are the tests to be done is planned in the beginning to the end?
Chapter 12 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 12 - Define accuracy or precision in terms of a...Ch. 12 - What does the nature of the process refer to?Ch. 12 - Suppose you have a pistol�shooting process that...Ch. 12 - Review the steps required to make a PC study of a...Ch. 12 - Why do not standard tables exist detailing the...Ch. 12 - Here are some common, everyday processes with...Ch. 12 - Why might the diameter measurements for holes...Ch. 12 - What are some common manufactured items that may...Ch. 12 - What are common reasons for sampling inspection...Ch. 12 - Fill in this table with one of the four following...
Ch. 12 - Now explain why when we sample, we cannot avoid...Ch. 12 - Which error can lead to legal action from the...Ch. 12 - Define and explain the difference between andX and...Ch. 12 - What is Cp, and why is a value of 0.80 not good?...Ch. 12 - Prob. 15RQCh. 12 - What are some of the alternatives available to you...Ch. 12 - Cpk is another process capability index. How does...Ch. 12 - In a sigma chart, are σ values for the samples...Ch. 12 - What is an assignable cause, and how is it...Ch. 12 - Why is the range used to measure variability when...Ch. 12 - How is the standard deviation of a distribution of...Ch. 12 - In the last two decades, the quality in...Ch. 12 - Figure 12.15 shows a bimodal check sheet...Ch. 12 - Control charts use upper and lower control limits....Ch. 12 - In Figure 12.10, what are the USL and the LSL,...Ch. 12 - What are four major branches (fishbones) on a...Ch. 12 - How does variation in the measuring device...Ch. 12 - What are Taguchi or factorial experiments, and how...Ch. 12 - How does the Taguchi approach differ from the...Ch. 12 - Why are Taguchi experiments so important compared...Ch. 12 - Explain what happed to improve the process inÂ...Ch. 12 - In Table 12.1, explain MOâ€�COâ€�MOO....Ch. 12 - What is a quality circle, and how might you apply...Ch. 12 - Which of the seven QC tools is being used inÂ...Ch. 12 - Go to a subway restaurant and develop a process...Ch. 12 - What do you estimate the standard deviation of...Ch. 12 - Is the dashed line in the figure labeled mean the...Ch. 12 - From the information given in the discussion and...Ch. 12 - What is the most glaring error in the figure, and...
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- During the development of a product, an entirely new process plan is made based on design logic, examination of geometry and tolerance information. This type of process planning is known as A. retrieval B. generative C. variant D. group technology basedarrow_forwardWhat does the term "tolerance" refer to when designing dynamic surfaces? A. Material durability B. The space between connected parts, designed for supported materials C. The friction and resistance between connected parts D. The dynamic surface design complexity Which of the following parameters must be considered before the design phase of a dynamic surface? Select all correct answers. A. Tolerance B. Element size C. Friction D. Minimum thickness E. Support material removal F. Positioning A dynamic surface is an array of connected surfaces that produces a mechanical effect; the movement of one surface causes predictable movement of the others. A. True B. False Which of the following are basic elements of 2D nesting? Select all correct answers. A. Part orientation B. Part combinations C. Spacing between parts D. Material selection Which of the following are benefits of proper nesting and positioning? Select all correct answers. A. Reduced material waste B. Reduced energy usage due to…arrow_forwardWhat are codes and standards?arrow_forward
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