ne. The dimensions of the various links are as follows : 200 mm; AB = 100 mm; OC= 400 mm; and CR= 150 mm. iving crank A B makes 120° with the vertical and rotates at 60 r.p.m. in the clockwise direction. 1. velocity of ram R, and 2. angular velocity of the slotted link OC. [Ans. 0.8 m/s ; 1.83 rad/s] Be R B'(on OC) 60 C(on BD) 120

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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8.
Fig. 7.38 shows the mechanism of a quick return motion of the crank and slotted lever type shaping
machine. The dimensions of the various links are as follows :
OA= 200 mm ; AB= 100 mm; OC=400 mm ; and CR= 150 mm.
The driving crank AB makes 120° with the vertical and rotates at 60 r.p.m. in the clockwise direction.
Find : 1. velocity of ram R, and 2. angular velocity of the slotted link OC.
[Ans. 0.8 m/s ; 1.83 rad/s]
B.
B (on OC)
В (on
crank)
C(on BD)
Fig. 7.38
Fig. 7.39
Transcribed Image Text:8. Fig. 7.38 shows the mechanism of a quick return motion of the crank and slotted lever type shaping machine. The dimensions of the various links are as follows : OA= 200 mm ; AB= 100 mm; OC=400 mm ; and CR= 150 mm. The driving crank AB makes 120° with the vertical and rotates at 60 r.p.m. in the clockwise direction. Find : 1. velocity of ram R, and 2. angular velocity of the slotted link OC. [Ans. 0.8 m/s ; 1.83 rad/s] B. B (on OC) В (on crank) C(on BD) Fig. 7.38 Fig. 7.39
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