Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 5.4, Problem 1RQ
The distance of actual contact of two mating threads measured along the length of the two threads the ____.
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In a tap set, a plug tap is used for final cutting the thread throughout its length after using two other taps before.
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If the pitch of a thread is 1/18 inch, how many threads are needed for the threaded section of a pipe to be 2 1/2 inch long?
Chapter 5 Solutions
Precision Machining Technology
Ch. 5.1 - List the four main parts of the engine lathe.Ch. 5.1 - What are the two main purposes of the lathe...Ch. 5.1 - What part of the lathe is used to set the feed...Ch. 5.1 - Prob. 4RQCh. 5.1 - Prob. 5RQCh. 5.1 - What is the purpose of the leads crew of a lathe?Ch. 5.1 - What two functions can the lathe tailstock...Ch. 5.1 - The standard taper in most lathe tailstocks is the...Ch. 5.1 - Define the swing and the bed length of a lathe.Ch. 5.2 - What is the special name for the type of jaw-type...
Ch. 5.2 - The most common variation of the above chuck has...Ch. 5.2 - Name two material shapes that can be properly held...Ch. 5.2 - List two advantages of using a self-centering...Ch. 5.2 - Name two material shapes that can be properly held...Ch. 5.2 - List three benefits of holding a workpiece between...Ch. 5.2 - List three potential advantages of using an...Ch. 5.2 - List three characteristics of a workpiece that...Ch. 5.2 - What type of mandrel would be ideal for gripping a...Ch. 5.2 - Name the type of tailstock center that raid be...Ch. 5.2 - What two auxiliary devices can be used to...Ch. 5.2 - Explain the differences between the two auxiliary...Ch. 5.2 - Name the device that is used to transmit the...Ch. 5.2 - Which two tool posts are the most efficient if...Ch. 5.2 - What is the major advantage of using...Ch. 5.2 - What direction is a right-hand turning tool...Ch. 5.2 - What is an inscribed circle related to carbide...Ch. 5.2 - Would a 0.010 or 0.031 tool nose radius be...Ch. 5.2 - Which device may be used for either toolholding or...Ch. 5.3 - If a 0.050" depth of cut is taken on the diameter...Ch. 5.3 - A lathe cross slide uses a diameter-reading...Ch. 5.3 - In what units are feed rates measured for lathe...Ch. 5.3 - Are deeper cuts used for roughing or finishing...Ch. 5.3 - Calculate spindle RPM and machining time for...Ch. 5.3 - List three safety precautions related to clothing...Ch. 5.3 - What two materials are most commonly used for...Ch. 5.3 - What feature of a lathe cutting tool has a direct...Ch. 5.3 - Is a left-hand or right-hand tool normally used...Ch. 5.3 - What part of the lathe is used to feed the tool...Ch. 5.3 - When facing, why should the tool not be fed past...Ch. 5.3 - Should a left-hand or right-hand tool be used when...Ch. 5.3 - When and how should chips he removed from the work...Ch. 5.3 - What are two reasons for center drilling on the...Ch. 5.3 - When drilling and reaming on the lathe, how are...Ch. 5.3 - How can hole depth be controlled during drilling...Ch. 5.3 - What are two reasons boring may be selected to...Ch. 5.3 - Why must extra care be taken when performing...Ch. 5.3 - How can a tap be aligned when threading a hole on...Ch. 5.3 - Briefly define form cutting.Ch. 5.3 - How do grooving and cutoff speeds compare to...Ch. 5.3 - How can tool binding be overcome when cutting deep...Ch. 5.3 - List the two basic knurl patterns.Ch. 5.3 - How is knurling different from other lathe...Ch. 5.3 - List and briefly describe the two different types...Ch. 5.4 - The distance of actual contact of two mating...Ch. 5.4 - What feature of mating threads determines the...Ch. 5.4 - How many classes of fit are there in the Unified...Ch. 5.4 - Determine the major diameter limits for the...Ch. 5.4 - Determine the minor diameter limits for the...Ch. 5.4 - Determine the pitch diameter limits for the...Ch. 5.4 - Determine the approximate compound-rest in-feed...Ch. 5.4 - What is the name for the rotating device that...Ch. 5.4 - When threading, what is the reason for feeding the...Ch. 5.4 - Prob. 10RQCh. 5.4 - Why should the depth of cut be reduced for each...Ch. 5.4 - What dimension of the thread is measured by using...Ch. 5.4 - What measuring tool is used to visually inspect...Ch. 5.4 - List two applications of Acme threads.Ch. 5.4 - What type of thread is machined on a tapered...Ch. 5.5 - Briefly define a taper.Ch. 5.5 - What is the difference between an included angle...Ch. 5.5 - What does TPI stand for in relation to tapers?Ch. 5.5 - What are the TPI and TPF of a part with end...Ch. 5.5 - What are the corresponding centerline and included...Ch. 5.5 - What is the corresponding centerline angle of a...Ch. 5.5 - What is the limitation of the tool bit taper...Ch. 5.5 - What must be known to use the compound-rest taper...Ch. 5.5 - What taper turning methods allow use of the lathes...Ch. 5.5 - What two steps can be taken to eliminate backlash...Ch. 5.5 - The TPI specified on a print is 0.030". If...Ch. 5.5 - If TPF is 0.42", how much movement should register...Ch. 5.5 - What is the benefit of using the offset tailstock...Ch. 5.5 - What are two ways to reduce uneven pressure on...Ch. 5.5 - Calculate tailstock setover for a 13.5" part with...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 21 The root of a thread is defined as what? Multiple Choice (select the best answer) The surface of the thread along the minor diameter. The surface of the thread along the major diameter. O The distance a screw travels axially with one rotation. O The measurement between the crest and root of a single thread. 22 The thread depth of a thread is defined as what? Multiple Choice (select the best answer) O The measurement between the crest and root of a single thread. O The number of threads which span one inch of an inch series thread. O The surface of the thread along the minor diameter. O None of the Above What operation finishes a hole to a precise size with a Multiple Cholce (select the best answer) 23 O Drilling Tapping Reaming None of the Abovearrow_forwardHello, please answer as soon as possible. Choose from the given choices/options below the question. Show complete solution. Thank you for your help. I’ll rate you with like/upvote.arrow_forwardWhat is the geometric term that applies to V-groove?arrow_forward
- α= 70o Kba = 0.33; t = 0.3”; R = 0.8”; L1 = 12”; L2 = 9”; w = 2.1”; D = 3.2” Using; Find the Starting Blank Size: width = _______ inches length = ___________ inches Kbf = 1.33; E = 10,000,000; TS = 36,000 psi; Find the Bending Force Required in a V-Die = ____________________ lbs.arrow_forwardWhat is the pitch of a ¼ inch bolt thread when the total number of thread is 30 for the total length of thread 2 inch. The subject is Machine Shop Theoryarrow_forwardHow many and what kinds of materials are needed to start a thread?arrow_forward
- 4 In thread cutting operation, pitch of thread is defined as________. a. Distance between two consecutive peaks of thread. b. Depth of thread c. Difference outer diameter and root diameter d. Height of threadarrow_forwardPlease give me both answers...arrow_forward2 5 What is the shape and size of this tolerance zone? 1.25 0.50 Diam +/-0.002" 0.010arrow_forward
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How to Measure Threads; Author: PracticalMachinist;https://www.youtube.com/watch?v=Uuy7EViS7Kc;License: Standard Youtube License