84 Machine Drawing
dharm
d:\N-Design\Des5-1.pm5 Seventh Print
Fig. 5.9 illustrates the schematic representation of square threads.
D
HH
P 0.5 P
P 0.5 P
Fig. 5.8 Schematic representation of threaded parts–V-threads
P 0.5 P
P 0.5 P
(a)
(b)
H
H
D
Fig. 5.9 Schematic representation of threaded parts–Square threads
5.8.1 Representation of Threaded Parts in Assembly
Figure 5.10 a shows the schematic representation and Figs. 5.10b and c, the conventional
representation of threads in engagement.
Figure 5.10 a represents the internal threaded part in section; however, the external
threaded one is shown unsectioned. In Figs. 5.10b and c, the external threaded parts are
shown covering the internal threaded parts and should not be shown as hidden by them.
