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 A.3, Problem 9ST
To determine
Size and the angle of the chamfer.
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A 10-kg box is pulled along P,Na rough surface by a force P, as shown in thefigure. The pulling force linearly increaseswith time, while the particle is motionless att = 0s untilit reaches a maximum force of100 Nattimet = 4s. If the ground has staticand kinetic friction coefficients of u, = 0.6 andHU, = 0.4 respectively, determine the velocityof the
A
1
0
-
kg box is pulled along P
,
N
a rough surface by a force P
,
as shown in the
figure. The pulling force linearly increases
with time, while the particle is motionless at
t
=
0
s untilit reaches a maximum force of
1
0
0
Nattimet
=
4
s
.
If the ground has static
and kinetic friction coefficients of u
,
=
0
.
6
and
HU
,
=
0
.
4
respectively, determine the velocity
of the particle att
=
4
s
.
Calculate the speed of the driven member with the following conditions:
Diameter of the motor pulley: 4 in Diameter of the driven pulley: 12 in Speed of the motor pulley: 1800 rpm
4. In the figure, shaft A made of AISI 1010 hot-rolled steel, is welded to a fixed
support and is subjected to loading by equal and opposite Forces F via shaft B.
Stress concentration factors K₁ (1.7) and Kts (1.6) are induced by the 3mm fillet.
Notch sensitivities are q₁=0.9 and qts=1. The length of shaft A from the fixed
support to the connection at shaft B is 1m. The load F cycles from 0.5 to 2kN and
a static load P is 100N. For shaft A, find the factor of safety (for infinite life) using
the modified Goodman fatigue failure criterion.
3 mm
fillet
Shaft A
20 mm
25 mm
Shaft B
25 mm
Chapter A Solutions
Machine Tool Practices (10th Edition)
Ch. A.1 - What is the primary piece of safety equipment in...Ch. A.1 - Prob. 2STCh. A.1 - Prob. 3STCh. A.1 - Prob. 4STCh. A.1 - What hazards exist from coolants, oils, and...Ch. A.1 - Prob. 6STCh. A.1 - Prob. 7STCh. A.1 - Prob. 8STCh. A.1 - Prob. 9STCh. A.1 - Prob. 10ST
Ch. A.1 - Prob. 11STCh. A.2 - Define the term pitch diameter.Ch. A.2 - Name two ways to measure a thread.Ch. A.2 - What is the rule of thumb for the length of...Ch. A.2 - Describe when class two fits are used.Ch. A.2 - Describe UNC and UNF.Ch. A.2 - What is the formula for calculating the OD of a...Ch. A.2 - When are stud bolts used?Ch. A.2 - Prob. 9STCh. A.2 - Explain two reasons why flat washers are used.Ch. A.2 - What is the purpose of a helical spring lock...Ch. A.2 - When is an internal-external tooth lock washer...Ch. A.2 - When are dowel pins used?Ch. A.2 - When are taper pins used?Ch. A.2 - When are roll pins used?Ch. A.2 - What are retaining lings?Ch. A.2 - Prob. 17STCh. A.2 - Prob. 18STCh. A.2 - Prob. 19STCh. A.3 - Prob. 1STCh. A.3 - Prob. 2STCh. A.3 - Prob. 3STCh. A.3 - Prob. 4STCh. A.3 - Prob. 5STCh. A.3 - Prob. 6STCh. A.3 - Prob. 7STCh. A.3 - Prob. 8STCh. A.3 - Prob. 9STCh. A.3 - Prob. 10STCh. A - Companies are looking for people with good...Ch. A - Prob. 4STCh. A - Prob. 5STCh. A - Prob. 6STCh. A - What is the basis of the five S tool?Ch. A - Prob. 8STCh. A - Prob. 9STCh. A - What is poka-Yoke?
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