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The Mechanism Of a Wrapping Machine, As Shown In Fig. Has The Following Dimensions : O1A=100 mm, AC=700 mm, BC= 200 mm, O3C = 200 mm, O2E =400 mm, O2D = 200 mm And BD= 150 mm.
written 6.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 6.2 years ago

enter image description here

The Crank O1A Rotates At A Uniform Speed Of 100 rad/s. Find The Velocity Of Point E Of The Bell Crank Lever By Instantaneous Centre Method.

Subject: Kinematics of Machinery

Topic: Velocity Analysis of Mechanism (Mechanism up-to 6 links)

Difficulty: High
kinematics of machinery
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written 6.2 years ago by gravatar for teamques10 teamques10 ★ 65k

Given: $\omega_{01A}$ =100 rad/s, $O_{1}$A =100 mm=0.1 m

We know that the linear velocity of crank $O_{1}$A,

$v_{01A}$ = $v_{A}$ = $\omega_{01A}$ × $O_{1}$A =100 × 0.1 =10 m/s.

Now let us locate the required instantaneous centres as discussed below:

enter image description here

By measurement , we find that

$I_{13}$A= 910 mm=0.91 m, …

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