Figure 7-0.1
A Section Created with CAD. This material has been reprintedwith the permission from and under the copyright of Autodesk, Inc.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-1
A Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-2
Full Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-3
Lines in Sectioning.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-4
Hidden Lines in Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-5
Symbols for Section Lining.© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-6
Section-Lining Technique
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-7
Direction of Section Lines.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-8
Cutting planes and Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-9
Cutting-Plane Lines (Full Size).
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Z
Y
X
Figure 7-9.1
Using autocad 2002 to create “XYZ” space.
Y
X
W
(A) (B)
Y
X
+
Y
X
+
Y
X
+
(C)
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-10
Cutting Planes and Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-11
Visualizing a Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-12
Drawing a Full Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-13
Half Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-14
Broken-Out Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-15
Break Around Keyway.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-16
Revolved Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-17
Use of the Cutting Plane in Revolved Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-18
Conventional Breaks Used with Revolved Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-19
A Common Error in Drawing Revolved Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-20
A Common Error in Drawing Revolved Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-21
Removed Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-22
Removed Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-23
Removed Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-24
Offset Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-25
Three Offset Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-26
Webs in Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-27
Alternate Section Lining.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-28
Aligned Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-29
Aligned Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-30
Aligned Sections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-31
Symmetry of Ribs.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-32
Spokes in Section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-33
Partial Views.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-34
Intersections.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-35
Conventional Breaks.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-36
Use of Conventional Breaks.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-37
Steps in Drawing S-Breaks for Solid Shaft.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-38
Steps in Drawing S-Breaks for Tubing.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-39
Detail Drawing Produced by Using the VersaCAD Advanced System. Courtesy of VersaCAD.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
1 2 3
4 5 6
7 8
129 10 11
13 14 15 16
17 18 19 20
Figure 7-40
Freehand Sectioning Problems. Using Layout A–1 or A4–1 adjusted (freehand) on graph paper or plain paper,two problems per sheet, sketch views with sections as indicated. Each grid square = 6 mm(¼"). In Probs.1–10, top and right-side views are given. Sketch front sectional views and then move right-side viewsto line up horizontally with front sectional views. Omit cutting planes except in Probs. 5 and 6.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-41
Bearing. Draw necessary views, with full section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-42
Truck Wheel. Draw necessary views, with half section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-43
Column Support. Draw necessary views, with full section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-44
Centering Bushing. Draw necessary views, with full section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-45
Special Bearing. Draw necessary views, with full section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-46
Idler Pulley. Draw necessary views, with full section (Layout A–3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-47
Cup Washer. Draw necessary views, with full section (Layout A–3 or A4–3 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-48
Fixed Bearing Cup. Draw necessary views, with full section (Layout A–3 or A4–3 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-49
Stock Guide. Draw necessary views, with halfsection (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-50
Bearing. Draw necessary views, with half section.Scale: half size (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-51
Pulley. Draw necessary views, with full section,and revolved section of spoke (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-52
Step-Cone Pulley. Draw necessary views, withfull section (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-53
Sheave. Draw two views, including half section(Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-54
Operating Valve. Given: Front, left-side, and partial bottomviews. Required: Front, right-side, and full bottom views,plus indicated removed sections (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-55
Rocker Arm. Draw necessary views, with revolved sections (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-56
Dash Pot Lifter. Draw necessary views, using revolvedsection instead of removed section (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-57
Adjuster Base. Given: Front and top views.Required: Front and top views and sections A–A, B–B, and C–C.Show all visible lines (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-58
Mobile Housing. Given: Front and left-side views.Required: Front view, right-side view in full section,and removed section A–A (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-59
Hydraulic Fitting. Given: Front and top views.Required: Front and top views and right-sideview in full section (Layout B–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-60
Auxiliary Shaft Bearing. Given: Front and topviews. Required: Front and top views and right-sideview in full section (Layout B–4).*© 2003, Prentice-Hall, Inc.
GieseckeTechnical Drawing, 12e
Figure 7-61
Traverse Spider. Given: Front and left-side views.Required: Front and right-side views and top viewin full section (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-62
Gland. Given: Front, top, and partial left-side views.Required: Front view and right-side view in full section(Layout A–3 or A4–3 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-63
Bracket.Given:Front and right-side views.Required:Take front as new top; then add right-side view,front view in full section A–A,and sections B–B and C–C(Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-64
Cocking Block. Given: Front and right-side views. Required: Take front asnew top view; then add new front view, and right-side view in full section.Draw double size on Layout C–4 or A2–4 adjusted.*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-65
Packing Ring. Given: Front and top views. Required: Frontview and section A–A (Layout A–3 or A4–3 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-66
Strainer Body. Given: Front and bottom views.Required: Front and top views and right-side view in full section(Layout C–4 or A2–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-67
Oil Retainer. Given: Front and top views.Required: Front view and section A–A (Layout B–4 or A3–4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-68
Gear Box. Given: Front and top views. Required: Front in fullsection, bottom view, and right-side section A–A. Draw half sizeon Layout B–4 or A3–4 (adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-69
Slotted Disk for Threading Machine. Given: Front and left-sideviews. Required: Front and right-side views and top full-sectionview. Draw half size on Layout B–4 or A3–4 (adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
Figure 7-70
Web for Lathe Clutch. Given: Partial front and left-side views.Required: Full front view, right-side view in full section, andremoved section A–A (Layout C–4 or A2–4).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
3
12
18
38
:28. THRU
:28* 6
:6THRU
(44)15
:15
:44
22
R6
R312
38
72
.SLOT1.5
WIDE
*14
ALL UNMARKED RADII = R1.5METRIC
Figure 7-71
Transmission Part. Draw necessary views with full section.
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
:1.25
3.0
1.25
1.25
3.0 15¡
.50
.1.23
(2.5)
.31
3x :.3
8TH
RU
°:.8
75* .37
5
R.88(TY
P.)
Figure 7-72
Bushing. Draw necessary views with full section.© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
TOP VIEW OF ROOK
CUT OUTS
FOR TOWER
ARE 36¡
POLYGON BASE HAS 8 SIDES
AND A 15¡ TAPER ANGLE
THICKNESS = 0.15
1.65
0.25
0.05
0.300.80
0.10
R0.05
R0.05
R0.15
0.200.35
0.70
Figure 7-73
Plastic Chess Piece. Given: Top and left-side. Required: Layout B-4 or A3-4 adjusted.)*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
:4.00
:3.5
.50
2.25B.C.
:.88, THRU
1.0
3X:.50,THRUEVENLY
SPACED, 120¡
APART ONA2.25
B.C.
Figure 7-74
Plastic Spacer. Draw all necessary views with one half section (Layout A-3).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
METRIC
:25
:62
:12 THRU1.5 R6
:32
:40
3R6
50
68
88
1222 83
:50:41
:32
Figure 7-75
Motor: Draw all required views with one half section (Layout B-4 or A3-4 adjusted)
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e
4.0
.75 (1.5)
2.0
2.75
1.38
(TYP.)
R.38
(TYP.)
R.06
: 1.5
:.375, THRU
.25
:1.0*2.5
Figure 7-76
Mounting Pin. Draw front and top view. Make one view ahalf section (Layout B-4 or A3-4 adjusted).*
© 2003, Prentice-Hall, Inc.GieseckeTechnical Drawing, 12e