54 / Chapter 2
Instrumental Drawing
Fig. 2.78 Friction Plate. Using Layout A-2 or
A4-2 (adjusted), draw in pencil. Omit dimensions
and notes.
Fig. 2.80
Geneva Cam. Using Layout A-2 or
A4-2 (adjusted), draw in pencil. Omit dimensions
and notes.
and holes
| METRIC |
Fig. 2.82 Ratchet Wheel. Using Layout A-2 or
A4-2 (adjusted), draw in pencil. Omit dimensions
and notes.
Fig. 2.79 Seal Cover. Using Layout A-2 or A4-2
(adjusted), draw views in pencil. Omit dimensions
and notes. See §9.8.
Fig. 2.81 Shear Plate. Using Layout A-2 or A4-2
(adjusted), draw accurately in pencil. Give length of
KA. Omit other dimensions and notes.
6.30
-
Fig. 2.83 Latch Plate. Using Layout A-2 or A4-2
(adjusted), draw in pencil. Omit dimensions and
notes.
Geometric Construction Problems
125
Draw
approx
ellipse
RI.6
.75 R
Fig. 5.68
Spanner.*
Fig. 5.69
Rocker Arm.*
6 2 5 DIA-
-1.50—
Fig. 5.70 Outside Caliper."
-50-
Fig. 5.71
| METRIC |
|
1 1 1
H i l l
I
R50
190
16
»
1
-020
RI8RI25
Fig. 5.72 Boiler Stay.*
Special Cam.*
- 0 1 2 - 3 HOLES
50RI8-
Draw true el/ipse (Find at least 10
points in each quadrant).
-R22
Fig. 5.73
Shaft Hanger Casting.*
•Using Layout A - 2 or A4-2 (adjusted), draw assigned problem with instruments. Omit dimensions and
notes unless assigned by instructor.
Geometric Constructions
126 / Chapter 5
-3.40
~\
Fig. 5.74
Shift Lever.*
Fig. 5.75
Gear Arm.*
Fig. 5.76
Form Roll Lever.*
Fig. 5.77
Press Base.*
-7.000
Fig. 5.78
Special S-Wrench.*
Fig. 5.79
D I A ^ ^
Auto Headlight Reflector.*
*Using Layout A - 2 or A4-2 (adjusted), draw assigned problem with instruments. Omit dimensions and
notes unless assigned by instructor.