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Part A Q1: The crank OP of a mechanism as shown in figure below rotates uniformly...

Question:

Part AQ1: The crank OP of a mechanism as shown in figure below rotates uniformly at 60 rpm counter-clockwise. Various links have fo

Q1: The crank OP of a mechanism as shown in figure below rotates uniformly at 60 rpm counter-clockwise. Various links have following dimensions: OP = 50 mm; RQ= 200 mm; RS = 200 mm; PR = 300 mm a) Make appropriate scale to draw position diagram using graphical method. b) Find the linear velocities (mm/sec) and angular velocities (rad/sec) for all links and draw velocity diagram. c) Find the tangential accelerations (mm/sec) and radial acceleration (mm/sec) and angular accelerations (rad/sec) for all links and draw acceleration diagram. d) Identify total number of links, number of full joints (Revolute and sliding joints), number of lower pairs and number of turning pairs for the mechanism. Note: Show all drawing work and scales to get full credit Р 30° +150 mm 350 mm R - = S fo Q

Answers

a-

25 mm: 1cm 301 3 Rb-

Velocity dicegram- 100mmis=1cm VE So 4 . V3=) Ws = 0.45 rad is » 2 given link op rotates in Go opm. counter clockcoise direction 2 KN Wp3 60 link p = op: Somm Link 3 =c-

scale - 394.184 mmisedriem oq! s! a6 las 02 Die az 75 ४। ais acceleration diagramar (from diagram Tangondial at acceleratim angalar aceleration link-2 W+cmstant d=0 Radial acceleratim ay=wop a=66.28350 90=please ignore 5%-10% error due to scale consideration.

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