Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN: 9781285444543
Author: Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher: Cengage Learning
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Textbook Question
Chapter 4.3, Problem 6RQ
What is spotting and why is it performed?
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Chapter 4 Solutions
Precision Machining Technology (MindTap Course List)
Ch. 4.1 - Upright drill presses are available in _______ and...Ch. 4.1 - List two general types of upright drill press...Ch. 4.1 - Explain how the size of an upright drill press is...Ch. 4.1 - Briefly describe the term sensitive drill press.Ch. 4.1 - Briefly describe a gang drill press and its...Ch. 4.1 - When would a radial-arm drill press most likely be...Ch. 4.1 - Briefly describe a micro drill press and its...Ch. 4.2 - What are the two main materials used to make...Ch. 4.2 - What two types of shanks are commonly found on...Ch. 4.2 - Name three functions of the flutes on a twist...
Ch. 4.2 - Name two types of flute styles for machine...Ch. 4.2 - Prob. 5RQCh. 4.2 - What is the major difference between counterboring...Ch. 4.2 - What must be used to secure a workpiece to an...Ch. 4.2 - What devices are used to elevate a workpiece to...Ch. 4.2 - If 50 parts measuring 1" I" 3" each needed a...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.3 - List five drill press safety guidelines.Ch. 4.3 - Briefly define the term cutting speed.Ch. 4.3 - What unit of measure is used to define cutting...Ch. 4.3 - What is feed, and how is feed stated for drill...Ch. 4.3 - Briefly describe two methods for locating hole...Ch. 4.3 - What is spotting and why is it performed?Ch. 4.3 - What is pecking, or peck drilling?Ch. 4.3 - Briefly contrast the speed and feed differences...Ch. 4.3 - What drill press component can be used to control...Ch. 4.3 - Calculate feed depth for a 90-degree countersink...Ch. 4.3 - Calculate feed depth for an 82-degree countersink...Ch. 4.3 - What benefit does tapping on the drill press offer...Ch. 4.3 - How many turns must a 1/4-20 tap be turned into a...Ch. 4.3 - Prob. 14RQ
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- is the method of skewness used in ansysarrow_forwardWhat is a simple way of correcting slight alignment problems?arrow_forwardEstimate 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_forward
- 8. A note in the comment section of a title block mentions that all faces should have a +.10 tolerance before heat treatment. The machinist follows the instructions but for diameters he leaves a tolerance of +.20. Why? O A. The machinist may have committed an error, and the part must be returned prior to heat treatment. OB. Diameter dimensions usually change by twice as much as the faces. OC. The tolerances for diameters aren't as critical as face tolerances. D. It's easier for the machinist to adopt MMC for diameters.arrow_forwardQuestion 1 1. What is the philosophy of the Go and No-Go gauging? Explain in some details (need schematics) 2. Complete any missing information on part 1&2 and in feature control 1 &2 (assume any tolerance). Explain your analysis ..not just numbers. 3. Add all information needed for Gage 1 & 2 used to inspect Part 1&2 (show your calculations) Part 1 Part 2 Ø1.000+.000 -.005 Ø1.005+.005 -.000 Ø.500+.000 -.005 +.005 Ø.505000 OØ. Ø. Gage 1 Gage 2 7.arrow_forward(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.arrow_forward
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