Machine Tool Practices (10th Edition)
10th Edition
ISBN: 9780132912655
Author: Richard R. Kibbe, Roland O. Meyer, Warren T. White, John E. Neely, Jon Stenerson, Kelly Curran
Publisher: PEARSON
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Chapter C.1, Problem 1ST
To determine
The conversion of
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Problem 6 (Optional, extra 6 points)
150 mm
150 mm
120 mm
80 mm
60 mm
PROBLEM 18.103
A 2.5 kg homogeneous disk of radius 80 mm rotates with an
angular velocity ₁ with respect to arm ABC, which is welded
to a shaft DCE rotating as shown at the constant rate
w212 rad/s. Friction in the bearing at A causes ₁ to
decrease at the rate of 15 rad/s². Determine the dynamic
reactions at D and E at a time when ₁ has decreased to
50 rad/s.
Answer:
5=-22.01 +26.8} N
E=-21.2-5.20Ĵ N
Problem 1.
Two uniform rods AB and CE, each of weight 3 lb and length 2 ft, are welded to each other at their
midpoints. Knowing that this assembly has an angular velocity of constant magnitude c = 12 rad/s,
determine:
(1). the magnitude and direction of the angular momentum HD of the assembly about D.
(2). the dynamic reactions (ignore mg) at the bearings at A and B.
9 in.
3 in.
03
9 in.
3 in.
Answers: HD = 0.162 i +0.184 j slug-ft²/s
HG = 2.21 k
Ay =-1.1 lb; Az = 0; By = 1.1 lb; B₂ = 0.
Problem 5 (Optional, extra 6 points)
A 6-lb homogeneous disk of radius 3 in. spins as shown at the constant rate w₁ = 60 rad/s. The disk
is supported by the fork-ended rod AB, which is welded to the vertical shaft CBD. The system is
at rest when a couple Mo= (0.25ft-lb)j is applied to the shaft for 2 s and then removed. Determine
the dynamic reactions at C and D before and after the couple has been removed at 2 s.
4 in.
C
B
Mo
5 in
4 in.
Note: 2 rotating around CD induced by Mo is NOT
constant before Mo is removed.
and ₂ (two
unknowns) are related by the equation: ₂ =0+ w₂t
3 in.
Partial Answer (after Mo has been removed):
C-7.81+7.43k lb
D -7.81 7.43 lb
Chapter C Solutions
Machine Tool Practices (10th Edition)
Ch. C.1 - Prob. 1STCh. C.1 - Prob. 2STCh. C.1 - Prob. 3STCh. C.1 - Prob. 4STCh. C.1 - Prob. 5STCh. C.1 - Prob. 6STCh. C.1 - Prob. 7STCh. C.1 - Prob. 8STCh. C.1 - Prob. 9STCh. C.1 - Can an inch machine tool be converted to work in...
Ch. C.2 - Prob. 1STCh. C.2 - Prob. 2STCh. C.2 - Read and record the dimensions indicated by the...Ch. C.3 - Determine the dimensions in the vernier caliper...Ch. C.3 - Determine the metric vernier caliper dimensions...Ch. C.3 - Prob. 1.3STCh. C.4 - Prob. 1STCh. C.4 - Prob. 2STCh. C.4 - Prob. 3STCh. C.4 - Prob. 4STCh. C.4 - Prob. 5STCh. C.4 - Prob. 6STCh. C.4 - Prob. 7STCh. C.4 - Prob. 8STCh. C.4 - Prob. 9STCh. C.4 - Prob. 10STCh. C.4 - Prob. 11STCh. C.4 - Prob. 1.1STCh. C.4 - Read and record the five depth micrometer readings...Ch. C.4 - Read and record the five metric micrometer...Ch. C.4 - Prob. 1.4STCh. C.5 - What is comparison measurement?Ch. C.5 - Prob. 2STCh. C.5 - Define cosine error.Ch. C.5 - Prob. 4STCh. C.5 - Prob. 5STCh. C.5 - Prob. 6STCh. C.5 - Prob. 7STCh. C.5 - Match the following measuring situations with the...Ch. C.5 - Prob. 9STCh. C.5 - Prob. 10STCh. C.6 - What is a wringing interval?Ch. C.6 - Why are wear blocks frequently used in combination...Ch. C.6 - As related to gage block use, what is meant by the...Ch. C.6 - Prob. 4STCh. C.6 - What is a conditioning stone and how is it used?Ch. C.6 - Prob. 6STCh. C.6 - Prob. 7STCh. C.6 - Prob. 8STCh. C.6 - Prob. 9STCh. C.6 - Prob. 10STCh. C.7 - Name two angular measuring instruments with one...Ch. C.7 - What is the discrimination of the universal bevel...Ch. C.7 - Describe the use of the sine bar.Ch. C.7 - Prob. 4STCh. C.7 - Calculate the required sine bar elevation for an...Ch. C.7 - A 10-inch sine bar is elevated 2.750 inch....Ch. C.7 - How do 10-inch and 5-inch sine bars affect the...Ch. C.7 - What gage block stack would establish an angle of...Ch. C.7 - What gage block stack would establish an angle of...Ch. C.7 - A 10-inch bar is elevated 2.5 inch. What angle is...Ch. C.8 - Prob. 1STCh. C.8 - Prob. 2STCh. C.8 - Prob. 3STCh. C.8 - Prob. 4STCh. C.8 - Prob. 5STCh. C.8 - Prob. 6STCh. C.8 - Prob. 7STCh. C.8 - Prob. 8STCh. C.8 - Prob. 9STCh. C.8 - Prob. 10ST
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