Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 35, Problem 12RQ
Explain the difference between tolerance and allowance.
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(USCS units) A GO/NO-GO plug gage is needed to inspect a 1.000 ± 0.020 in diameter hole. A wear
allowance is applied to the GO side of the gage. The allowance = 2% of the total tolerance band.
Determine the nominal sizes of (a) the GO gage and (b) the NO-GO gage.
A GO/NO-GO snap gage is required to inspect the diameter of a shaft that is 1.000 ± 0.020. A wear allowance of 2% of the entire tolerance band is applied to the GO side. Determine (a) the nominal sizes of (a) the GO gage and (b) the NO-GO gage
Indicate the following technical tolerance requirements in Fig.3.
a) The diameter of the middle cylinder is Odh7, use Envelope
requirement;
b) Cylindricity tolerance of d is 0.009mm, straightness of axis of od
is $0.012mm;
c) Total run-out tolerance of right end surfaces related to axis of Pd
is 0.01 mm;
d) The surface of od cylinder is obtained by the method of removing
material, and the maximum allowable value of Rz is 0.4µm. All
surfaces are obtained by the method of removing material, and all
the roughness Ra allowable value is 6.4 pm.
Chapter 35 Solutions
Manufacturing Engineering & Technology
Ch. 35 - What is metrology?Ch. 35 - Explain how a meter is defined and measured.Ch. 35 - Explain what is meant by standards for...Ch. 35 - What is the basic difference between...Ch. 35 - What is meant by comparative length measurement?Ch. 35 - Explain how flatness is measured. What is an...Ch. 35 - Describe the principle of an optical comparator.Ch. 35 - Why have coordinate measuring machines...Ch. 35 - What is the difference between a plug gage and...Ch. 35 - What are dimensional tolerances? Why is their...
Ch. 35 - Prob. 11RQCh. 35 - Explain the difference between tolerance and...Ch. 35 - What is the difference between bilateral and...Ch. 35 - How is straightness measured?Ch. 35 - When is a clearance fit desirable? An interference...Ch. 35 - What factors contribute to deviations in the...Ch. 35 - Why are the words accuracy and precision...Ch. 35 - Prob. 18QLPCh. 35 - Prob. 19QLPCh. 35 - Prob. 20QLPCh. 35 - Dimensional tolerances for nonmetallic parts...Ch. 35 - Prob. 22QLPCh. 35 - Review Fig. 35.20, and comment on the range...Ch. 35 - In the game of darts, is it better to be accurate...Ch. 35 - What are the advantages and limitations of GO...Ch. 35 - Comment on your observations regarding Fig. 35.19.Ch. 35 - What are gage blocks? Explain three methods...Ch. 35 - Why is it important to control temperature during...Ch. 35 - Describe the characteristics of electronic gages.Ch. 35 - What method would you use to measure the...Ch. 35 - Prob. 31QLPCh. 35 - Review Fig. 35.21 and give reasons that there is a...Ch. 35 - Assume that a steel rule expands by 0.07% due to...Ch. 35 - If the same steel rule as in Problem 35.33 is used...Ch. 35 - A shaft must meet a design requirement of being at...Ch. 35 - Describe your thoughts on the merits and...Ch. 35 - Take an ordinary vernier micrometer (see Fig....Ch. 35 - Obtain a digital micrometer and a steel ball of,...Ch. 35 - Prob. 41SDPCh. 35 - Prob. 42SDPCh. 35 - Inspect various parts and components in...Ch. 35 - Prob. 45SDPCh. 35 - Prob. 46SDPCh. 35 - Prob. 47SDPCh. 35 - Conduct an Internet search, and make a list of...Ch. 35 - Prob. 49SDP
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- What are the significance of tolerance and allowance in production process? Diagram?arrow_forward2There are two different indicated drawings in Fig.1. (1) Judge the tolerance principle they used respectively; (2) Calculate their allowed perpendicularity tolerance in MMS respectively; (3) Calculate their allowed perpendicularity tolerance in LMS respectively (4) If the actual size is 17.9 mm, the actual perpendicularity error is 00.009mm, judge whether it is qualified according to Fig.1 (a) or Fig.1 (b) respectively. ( ¢18 8 00.01 (M) A 0.1 -0.1 I ø0.01 |4 (a) (b)arrow_forwardBased on typical tolerances for the traditional and non-traditional manufacturing processes, Identify the tolerance for the manufacturing process S. No. Process Tolerance value (mm) Frequency of application (Less/Average) 1 0.5 inch flame cutting 0.05 inch turning operation 0.005 drilling operation 0.003 grinding operation 4. 0.001 electropolishingarrow_forward
- Calculate the tolerance if the maximum limit is 97.45 mm and the minimum limit is 96.99 mm.arrow_forwardCalculate the maximum limit if the tolerance is 0.004 cm and the minimum limit is 0.985 cm.arrow_forward2. Form tolerances are independent of all other Features O Size Limits Datums O Tolerances ?arrow_forward
- Tell us about the tolerance zone in operations.arrow_forwardWrite a detail note on • Explain Errors in Measurements• Explain Types of Errors.arrow_forwardUnilateral tolerance is one in which * نقطة واحدة لا نقطة واحدة the variation from the specified dimension is permitted in only one direction, either positive or .negative TO FO Bauxite grinder in Aluminum production process, the bauxite is then transported to plants where the clay is washed off and the .bauxite passes through a grinding TO FOarrow_forward
- Estimate the manufacturing cost for a simple machined component: a. Compare the costs for manufacturing volumes of 1, 10, 100, 1000, and 10,000 pieces with an intermediate tolerance and surface finish. Explain why there is a great change between 1 and 10 and a small change between 1000 and 10,000 pieces. b. Compare the costs for fit, intermediate, and rough tolerances with a volume of 100 pieces. c. Compare the costs of manufacturing the component out of various materials.arrow_forward36. (SI units) A GO/NO-GO plug gage will be designed to inspect a 60.00 0.40 mm diameter hole. A wear allowance of 3% of the total tolerance band is applied to the GO side of the gage. Determine the nominal sizes of the NO-GO gage. Round your answer to the nearest thousandth of a mm.arrow_forward7. What is a tolerance?arrow_forward
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