Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 21, Problem 15P
To determine
The shear strain and comparison with
The comparison of results.
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Consider the frame in (Figure 1). The crate weighs 400 lb. Follow the sign convention.
Figure
4 ft
A
B
1.5 ft 1.5 ft 1.5 ft 1.5 ft
F
C
E
D
0.4 ft
1 of 1
Part A
Determine the normal force at point F
Express your answer in pounds to three significant figures.
N₂ =
Submit
Part B
Vp =
Determine the shear force at point F.
Express your answer in pounds to three significant figures.
Submit
Part C
VAΣ Ivec
ΑΣΦ
Request Answer
Mp=
[V=| ΑΣΦ
Request Answer
vec 4
Determine the moment at point F.
Express your answer in pound-feet to three significant figures.
197| ΑΣΦ ↓↑ vec
?
wwwww. ?
B ?
lb
lb
lb-ft
Calculate the internal force values for 0=120°
Chapter 21 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 21 - Why has the metal-cutting process resisted...Ch. 21 - What variables must be considered in understanding...Ch. 21 - Which of the seven basic chip formation processes...Ch. 21 - How is feed related to speed in the machining...Ch. 21 - Before you select speed and feed for a machining...Ch. 21 - Milling has two feeds. What are they, and which...Ch. 21 - What is the fundamental mechanism of chip...Ch. 21 - What is the difference between oblique machining...Ch. 21 - What are the implications of Figure 21.13, given...Ch. 21 - Note that the units for the approximate equation...
Ch. 21 - For orthogonal machining, the cutting edge radius...Ch. 21 - How do the magnitude of the strain and strain rate...Ch. 21 - Why is titanium such a difficult metal to machine?...Ch. 21 - Explain why you get segmented or discontinuous...Ch. 21 - Why is metal cutting shear stress such an...Ch. 21 - Which of the three cutting forces in oblique...Ch. 21 - How is the energy in a machining process typically...Ch. 21 - Where does the energy consumed in metal cutting...Ch. 21 - What are two ways of estimating the primary...Ch. 21 - What are the three different ways to perform...Ch. 21 - Why does the cutting force Fc increase with...Ch. 21 - Why doesnt the cutting force Fc increase with...Ch. 21 - Prob. 23RQCh. 21 - How does the selection of the machining parameters...Ch. 21 - Suppose you had a machining operation (boring)...Ch. 21 - Make a sketch like that shown in Figure 21.1 with...Ch. 21 - Show how you would do near orthogonal machining in...Ch. 21 - Can you do orthogonal machining on a shaper or...Ch. 21 - What process and material combination would yield...Ch. 21 - What is meant by the statement that machining...Ch. 21 - Prob. 31RQCh. 21 - Figure 21.4 provides suggested cutting speeds and...Ch. 21 - For problem 1, suppose you selected a speed of 145...Ch. 21 - If the cutting forces is 1000 lb calculate the...Ch. 21 - Explain how you would estimate the cutting force...Ch. 21 - For a turning operation, you have selected a...Ch. 21 - For a slab milling operation using a...Ch. 21 - The power required to machine metal is related to...Ch. 21 - In order to drill a hole in the material described...Ch. 21 - Suppose you have the data in Table 21.A obtained...Ch. 21 - Calculate the horsepower that a process is going...Ch. 21 - Explain how you would estimate the cutting force...Ch. 21 - Derive equations for F and N using the circular...Ch. 21 - Prob. 14PCh. 21 - Prob. 15PCh. 21 - A manufacturing engineer needs an estimate of the...Ch. 21 - Using Figure 21.4 for input data, determine the...Ch. 21 - Estimate the horsepower needed to remove metal at...Ch. 21 - For a turning process, the horsepower required was...
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- Consider the frame in (Figure 1). The crate weighs 400 lb. Follow the sign convention. Figure 4 ft A B 1.5 ft 1.5 ft 1.5 ft 1.5 ft F /C . E 0 D 0.4 ft < 1 of 1 ▼ Part D Determine the normal force at point E. Express your answer in pounds to three significant figures. NE = Submit Part E VE = Submit Determine the shear force at point E. Express your answer in pounds to three significant figures. Part F [5] 195| ΑΣΦ | 11 | vec 4 Request Answer ME = Π| ΑΣΦ I Request Answer vec Determine the moment at point E. Express your answer in pound-feet to three significant figures. [V=| ΑΣΦ www. vec ? ? ? lb lb lb-ftarrow_forward8- Following are the reading recorded at a point of structure tested by a 60° rosette: Ea = -327x10°, ɛb = 714x10-“, and ɛc = -189x106. Calculate the principal strains and maximum shear strains.arrow_forwardshow all steps/solutionarrow_forward
- find shear amd Binding momont okagrou 5KN/m 5m Tht 3m 707arrow_forwardDon't Copy, I need correct solution within 10-20minutes. Please do it fast. [Handwritten recommended]arrow_forwardFor the stresses given with the cube below: 1. Compute the center, radius (R), principal normal stresses (0₁ and 03), max shear stress (Tmax) and draw the Mohr's Circle. 2. Compute the normal and shear stresses when the cube is rotated 20° clockwise from the horizontal plane and draw them on the cube. 3. The yield point stress (σyp) is 6 kPa. Determine if the material will fail under stresses shown using Tresca's Hexagon. вкра акра 6 экра 8 кра экра 4краarrow_forward
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- QUESTION 1 Based on Figure 1, analyze the state of stress at material element of point A on the cross section of the pipe at section a-a. Note that / is the location of applying load to adjust the resultant torque. Given that /= 250 mm and e = 30°. i) The required minimum shear stress at point A to loosen the pipe is tegd = 1 MPa. Decide and explain either torque applied is appropriate or not. If yes, determine the minimum value of I when 8 = 90°, or if not, determine the maximum value of / when 8 = 90°. i) Suggest one material from Appendix C that is suitable to be used as material for the pipe in Figure 1. Explain your selection. 25 mm B 300 N 30 mm Section a-a 300 mm Figure 1arrow_forwardi need help finding points A ,P, Q, Radius, Center, and radial line (Angle)arrow_forwardPLEASE ANSWER NUMBER 1 MECH 222: PLEASE GIVE DETAILED SOLUTIONS AND CORRECT ANSWERS. I WILL REPORT TO BARTLEBY THOSE TUTORS WHO WILL GIVE INCORRECT ANSWERS.arrow_forward
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