Question

In the mechanism in figure 2 numbered member rotating with 120 rpm velocity in clock wise direction. calculate the angular velocity of 5 numbered member for the given location.

Bo 5 6 weupe с O2 4 300 mm 0,02 = 300 mm, 0,4 = 200 mm, AB= 700 mm, BC = 800 mm, m=-120 rpm(devir / dakika) 01 459 2 A 3

Answer 1

à O2 = 300 mm O2 9 A = 200 mm AB = 700 mm BC= 800 mm 0, Na -120 am 2 w211 N 21x120 60 63 = 12.56 ende 5 wхя, 12.563 - 3.76.m/s Position Diagram. Scode 3.76 m/s = 5cm Im/s = 1.329 cm Icm = 0.752 anys To find point a с 90 . Ived Vad Orb ос QB Qc b 4.7 4.5 0c 2-3 va 9:2.2 cm Ved = 0.7cm = 0.5264 m/s Velouty Dagram.

for drawing Velocity diagom Pouls X 0397ms per pin belo to raving Some 5.76 m/s 0.752 ms "There Cae so velocity ling paralld do 3) B is sliding along the Int also along trot drechin drow with contre os 4) To find the B roboling drow line to ლიdiculo" Its volodily is find the Intersection point we can lo B' 5) To this relation, Use point " find the ор OB OIC ос О, c = abx ac ав 4.5 * 2.2 2.2cm 4:7 b.a (2.2 cm away from lina the extension of along 6) Dis لذا sliding along 020 point d is on a line parallel to O₂D And perpendiculary to link & CO So drow a line to tam to from point fird point d' C CD we

un find we Every velocity from the velocity diagram To Angular have to find question tho We in thi links 5 ů 'C D' Velouty of 2 'cd' of from Velocity diagram take dimension cd = 07 cm 0752 0.7 x m's 0.5264 m/s 0.5 264 вс 11 Linear Velouly Bat angular Velocity Length of link rad/sec 0.658 = 0.5264 2.8 حليب = 0.658 ead/sec