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§ 14.20 WORKING DRAWING PROBLEMS 4 3 5
-1.756-1.760 REAM THRU
-^-[ZUNC-2B A 1'- DEEP ^
- SAW -I2UNC-2B
TO SLOT
PARTIAL VIEW IN DIRECTION OF
ARROW CORE J W1DE-
(Centered]
Fig. 14-30 Table Bracket. Make detail drawing Use Size B sheet.
32 DRILL §-HUNC-2B 45'CHAMFER'DEPTH OF THD
2 HOLES
; C BORE S DEEP
ROUNDS jgR
Fig. 14-31 RH Tool Post. Make detail drawing. Use Size B sheet.
Fig. 14-32 Drill Press Base. Make detail drawing. Use Size C sheet.
4 3 6 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
F I L L E T S 8. R O U N D S . 0 6 R
U N L E S S O T H E R W I S E S H O W N
I 4 If*
11 .^vts
. 8 7 3 - 875 REAM (To 1.373 hole)
5- I2UNC-2B — (To hole) \
K ELY W A Y
- g - | 2 U N C - 2 B \(To hole)
Fig. 14-33 Shifter Fork. Make detail drawing. Use Size B sheet.
I6UNC-2B 'To hole)
6 2 3 - 1 . 6 2 5 R E A M
Fig. 14-34 Idler Arm. Make detail drawing. Use Size B sheet.
* 5 ( , I25)-40UNC-2B 4- HOLES,
EQUALLY SPACED-
u - 2 4 U N F - 2 B ^ 1 7 fat* (To hole-Boss on Of I I \ ^ 1
this side only) I Hi \
-.20 DlA / ' 2 HOLES
(Through)
Fig. 14-35 Drill Press Bracket. Make detail drawing. Use Size C sheet.
§14.20 WORKING DRAWING PROBLEMS 43
Fig. 14-37 Rack Slide. Make detail drawings. Draw half size on Size B sheet.
4 3 8 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
r ]g - !4UNC-2E \ DEEP
1 2 HOLES
M A T L : C I I REQD
L 2 4 7 R E A M
FILLETS 5, ROUNDS ^ R UNLESS OTHERWISE SPECIFIED
H 6 U N C - 2 B TO REAMED HOLE
^f-CBORE.-^DEEP
I ^ C O R E , 2 ^ D E E P
• | ^ | R E A M T O
Wtyli' H O L E
WJ'\>-1-250 R E A M
:A<X)!,< ! U*1A.
- 2 B . | 0 E E P , 2 H O L E S §£DRILL-4 HOLES
Fig. 14-38 Automatic Stop Box. Make detail drawing. Draw half size on Size B sheet.
[Ill R E A M 2 H O L E S IN L I N E -
k r | - i 6 U N C - 2 B Some dimensions W A L L T H I C K N E S S i < - l \ „ „ „ nf enrh nnrt U N L E S S O T H E R W I S E
- DEEP given on mating
port.
U N L E S S O T H E R W I S E S P E C I F I E D
F I L L E T S & ROUNDS 4rR
r g | D R I L L , F O R | H E X H D
C A P S C R E W S - 4 H O L E S
" 2 H O L E S
' " V I E W A T A C I - I E A C H R E Q D > " > ^
Fig. 14-39 Conveyor Housing. Make detail drawings. Draw half size on Size C sheets
' (To 4 of centra/ web)
14.20 WORKING DRAWING PROBLEMS 4 3 9
c I ! REQD
Given: Front, left-side, and bottom views, and partial removed section.
Required: Front view in full section, top view, and right-side view in half section on A-A. Draw half size on Size C sheet.
Fig. 14-40 Spindle Housing.
1 DRILL 2 HOLES
1 DRILL 2 HOLES
FILLETS AND ROUNDS gfil UNLE5S OTHERWISE
SPECIFIED
C I REQD
2 DIA CORE
Given: Partial front view, right-side view, and partial bottom view.
Required: Front view, left-side view in half Section A-A, and top view. Construct intersections at 1, 2, 3, and 4. Complete the visible lines for bosses at 5. Draw half size on Size C sheet.
Fig. 14-41 Gear Change Lever Bracket.
4 4 0 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
F I L L E T S & R O U N D S AR
C I I R E Q D
Fig. 14-42 Pump Bracket for a Thread Milling Machine. Given: Front and left-side views. Required: Front and right-side views, and top view in section on A-A. Draw full size on Size B
sheet.
Fig. 14-43 Support Base for Planer. Given: Front and top views. Required: Front and top views, left-side view in full section A-A, and removed section B-B. Draw
full size on Size C sheet.
§14.20 WORKING DRAWING PROBLEMS 441
DRILL
I CBORE ; DEEP
FILLETS & ROUNDS gR UNLESS OTHERWISE SPECIFIED
Fig. 14-44 Headstock Bracket for Lathe.
Given: Front and right-side views. Required: Take present front view as new top view; add new front and left-side views. Draw full
size on Size C sheet.
PLACE DIMENSIONS IN PREFERRED PLACES
ON NEW DRAWING
Fig. 14-45 Fixture Base for 60-Ton Vertical Press. Given: Front and right-side views. Required: Revolve front view 90° clockwise; then add top and left-side views. Draw half size on
Size C sheet. If assigned, use unidirectional two-place decimals for all fractional dimensions.
Fig.
14-
46
Bra
cket
. G
iven
: F
ront
, le
ft-s
ide,
an
d b
ott
om
vie
ws,
an
d pa
rtia
l re
mov
ed s
ect
ion
. R
equi
red:
Mak
e de
tail
dra
win
g.
Dra
w f
ron
t,
top
, an
d ri
ght-
side
vie
ws,
and
rem
oved
se
ctio
ns A
-A a
nd B
-B.
Dra
w h
alf
size
on
Siz
e C
she
et.
Dra
w s
ectio
n B
-B
full
size
.
§14.20 WORKING DRAWING PROBLEMS 4 4 3
Fig. 14-47 Belt Tightener Bracket for Milling Machine.
Given: Front and left-side views. Required: Front, right-side, and top views, half size on Size C sheet.
FILLETS AND ROUNDS
UNLESS OTHERWISE SPECIFIED
Fig. 14-48 Roller Rest Bracket for Automatic Screw Machine. Given: Front and left-side views. Required: Revolve front view 90° counterclockwise; then add top and left-side views. Draw full size on Size C sheet. If assigned, use unidirectional two-place decimals for all fractional dimensions.
4 4 4 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
Fig. 14-49 Sheave Guard for Skimmer. Given: Front view and half bottom view. Required: Front view, complete top view, left-side view, and removed section A-A. Draw half size
on Size C sheet. If assigned, use unidirectional two-place decimal dimensions.
Fig. 14-50 Guide Bracket for Gear Shaper.
Given: Front and right-side views. Required: Front view, a partial right-side view, and two partial auxiliary views taken in direction
of arrows. Draw half size on Size C sheet.
§14.20 WORKING DRAWING PROBLEMS 4 4 5
FILLETS AND ROUNDS igR UNLESS OTHERWISE
BRONZE-I REQD
Fig. 14-51 Shifter Fork for Vertical Milling Machine.
Given: Front and left-side views. Required: Front, left side, indicated partial auxiliary view, and auxiliary section A-A. Draw full
size on Size C sheet.
625-628 REAM 2 HOLES IN
LINE FILLETS AND ROUNDS §R
UNLESS OTHERWISE SPECIFIED
Given: Front and right-side views. Required: Front, top, and left-side views.
Draw full size on Size C sheet.
Fig. 14-52 Bearing for a Worm Gear.
4 4 6 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
Fig. 14-53 Generator Drive Housing. Given: Front and left-side views. Required: Front view, right-side view in full section, and top view in full section on A-A. Draw full
size on Size C sheet.
Fig. 14-54 Rear Tool Post. Given: Front and left-side views. Required: Take left-side view as new top view; add front and left-side views, approx. 8-J" apart, a
primary auxiliary view, then a secondary auxiliary view taken so as to show true end view of f " slot. Complete all views, except show only necessary hidden lines in auxiliary views. Draw full size on Size C sheet. Use unidirectional two-place decimal dimensions.
§14.20 WORKING DRAWING PROBLEMS 447
ilDRILL-2 HOLES
mux)
9^ 16
-g| DRILL20UNC-2B
g;||9| PITCH DIA - 4 HOLES
SYMMETRICALLY SPACED
WITH RESPECT
SECT B-B
FLATS ON OPP
SIDES OF PISTON
5.385 APART ;
EACH |||721 TO
<t OF PISTON
FLATS ON OPP
SIDES OF PISTON
4.932 APART
0.187 FOR 5 GROOVES SMOOTH FINISH
20°~|
•^.DRILL-8 HOLES EQUALLY SPACED, BOTTOM GROOVE
SECT A-A
CHAMFER
NOTE :
MACHINE FRACTIONAL DIMENSIONS
± OIO
['Hf ROUGH REAM j-Jlfs FINISH REAM MUST BE REAMED SQUARE WITH SKIRT
-THIS SURFACE RECESSED .010 TO 45 ON
EACH SIDE OF 4. OF WRIST PIN HOLES
SQUARE CORNER
SRAY IRON CASTING 6-REQD
Fig. 14-55 Caterpillar Tractor Piston. Make detail drawing. Draw full size on Size C sheet. If assigned, use unidirectional two-place decimals for all fractional dimensions.
4 4 8 W O R K I N G D R A W I N G P R O B L E M S § 1 4 . 2 0
Fig. 14-56 Water Pump Body. Given: Front and left-side views, with detail section B-B. Required: Front view, right side in full section, and auxiliary section A-A. Include in section A-A
all visible lines behind the cutting plane. Omit section B-B. Draw full size on Size C sheet.
