Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 5, Problem 5RQ
What is optoisolation and what is its main advantage?
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Solving coplanar forces
Complete the following problems. Show your work/calculations, save as.pdf and upload to the
assignment in Blackboard.
1. What are the x and y dimensions for the center position of holes 1,2, and 3 in the part shown in
Figure 26.2 (below)?
6.0000
7118
Zero
reference
point
1.0005
1.0000
1.252
Bore
C' bore
1.250
6.0000
.7118
0.2180 deep
(3 holes)
2.6563 1.9445
3.000 diam. slot
0.3000 deep.
0.3000 wide
2.6563
1.9445
Complete the following problems. Show your work/calculations, save as.pdf and upload to the
assignment in Blackboard.
missing information to present a completed program. (Hint: You may have to look up geometry
for the center drill and standard 0.5000 in twist drill to know the required depth to drill).
1. What are the x and y dimensions for the center position of holes 1,2, and 3 in the part shown in
Figure 26.2 (below)?
6.0000
Zero
reference
point
7118
1.0005
1.0000
1.252
Bore
6.0000
.7118
Cbore
0.2180 deep
(3 holes)
2.6563 1.9445
Figure 26.2
026022 (8lot and Drill Part)
(Setup Instructions---
(UNITS: Inches
(WORKPIECE NAT'L SAE 1020 STEEL
(Workpiece: 3.25 x 2.00 x0.75 in. Plate
(PRZ Location 054:
'
XY 0.0 - Upper Left of Fixture
TOP OF PART 2-0
(Tool List
( T02 0.500 IN 4 FLUTE FLAT END MILL
#4 CENTER DRILL
Dashed line indicates-
corner of original stock
( T04
T02
3.000 diam. slot
0.3000 deep.
0.3000 wide
Intended toolpath-tangent-
arc entry and exit sized to
programmer's judgment…
Chapter 5 Solutions
Understanding Motor Controls
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Explain the difference between auxiliary contacts...Ch. 5 - Prob. 4RQCh. 5 - What is optoisolation and what is its main...Ch. 5 - What pin numbers are connected to the coil of an...Ch. 5 - An 11-pin control relay contains three sets of...Ch. 5 - What is the purpose of the shading coil?
Ch. 5 - Refer to the circuit shown in Figure 5-29. Is the...Ch. 5 - What is the difference between a motor starter and...
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