Electric Motors and Control Systems
2nd Edition
ISBN: 9780073373812
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Homework#7
Computing Angles of Rotation and Angles of Tilt
In each of the following problems, the axis of a hole is shown in a rectangular solid. In
order to position the hole axis for drilling, the angle of rotation and the angle of tilt must be
determined. Compute angles to the nearer minute in triangles with customary unit sides.
Compute angles to the nearer hundredth degree in triangles with metric unit sides.
a. Compute the angle of rotation, R.
b. Compute the angle of tilt,
T.
7. Given: H= 2.600 in.
L = 2.400 in.
a.
W= 1.900 in.
8. Given: H= 55.00 mm
b.
Use this figure for #7 and #8.
AXIS OF HOLE
L 48.00 mm
W= 30.00 mm
H
a.
b.
9. Given: H = 4.750 in.
L = 4.000 in.
W= 3.750 in.
a.
10. Given: H=42.00 mm
b.
L37.00 mm
W = 32.00 mm
a.
b.
11. Given: H = 0.970 in.
L = 0.860 in.
W= 0.750 in.
a.
12. Given: H= 22.00 mm
L 18.00 mm
=
W = 15.00 mm
a.
b.
Use this figure for #9 and #10.
ZR
AXIS OF HOLE
Use this figure for #11 and #12.
H
b.
L
AXIS OF HOLE
T
This is a tilt and rotation question. Here are notes attached for reference. I prefer handwritten solutions. ONLY UPLOAD A SOLUTION IF YOU ARE SURE ABOUT THE ANSWER PLEASE. I prefer handwritten solutions.
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