Determine the speed of C, ig i) the wheel D fixed and arm 'a' rotates at 200 rpm clockwise ii) the wheel D rotates at 20 rpm counter clockwise and arm 'a' rotates at 200 rpm clockwise.

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written 8.9 years ago by

teamques10 ★ 70k

modified 3.8 years ago by

pedsangini276 • 4.8k

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Mumbai University > Mechanical Engineering > Sem 5 > Theory of Machines-II

Marks: 10 Marks

Year: Dec 2015

theory of machines

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written 8.9 years ago by

teamques10 ★ 70k

Given data:-

$Z_A=52 \\ Z_B=56 \\ Z_E=Z_F=36$

To find:-

Nc if Narm rotate 200 rpm (clockwise)
Nc if ND rotates -20 rpm(anticlockwise) and Narm at 200 rpm

Step 1:- Calculating the no. of teeth in C & D

$r_d= D_E+ r_b \\ D_d=2D_E+D_b$

Similarly,

$r_c=D_F +r_a \\ D_c=2D_F+D_a$

But the …

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