8.22The velocity synthesis theorem of pointm Exmaple1BThe picture on the right shows theCAMejector mechanism. The CAMhas a radius of R and moves to theright along the horizontal line at theAVosame speed o , driving the drivenrod AB to rise along the leaddirection. Figure out theinstantaneousvelocityofrodAB
Exmaple1 The picture on the right shows the CAM ejector mechanism. The CAM has a radius of R and moves to the right along the horizontal line at the same speed , driving the driven rod AB to rise along the lead direction. Figure out the instantaneous velocity of rod AB. 0 v A B O v0 8.2 The velocity synthesis theorem of point
8.2 The velocity synthesis theorem of pointMoving point: Point A on rod ABMoving point: center O of the CAMStatic system:solidified in the groundStatic system:solidified inthegroundDynamic system:TofixtotheCAMDynamicfastening:consolidatedonrodABRelative movement orbit:KB
Moving point: Point A on rod AB Static system: solidified in the ground Dynamic system: To fix to the CAM Moving point: center O of the CAM Static system: solidified in the ground Dynamic fastening: consolidated on rod AB 0 v A B O x y x’ y’ 0 v A B O x y x’ y’ 8.2 The velocity synthesis theorem of point Relative movement orbit: