Kinematics and Mechanism Problems |
Common terms and phrases
½ inch long 270-360 Vertical Displacement abscissae and vertical angular acceleration angular displacements cam as abscissae Cam Blank 0-90 Change Fall constant acceleration construct a displacement Crank and Slider Degrees of Rotation Determine the instantaneous disc cam Displacement of Follower DISPLACEMENTS Cam Draw a disc Draw all links Example Problem VELOCITIES Example Problem-Four-Bar Mechanism Fall 1 Inch feet per second find the instantaneous follower as ordinates Follower Using angular Inches No Change inches per second INSTANT CENTERS instantaneous angular velocity instantaneous linear velocities KINEMATIC DRAWINGS Modified Straight Line motion described Motion of Follower Problem 46 radians per second represent the motion required motion revolutions per minute Rise 2 Inches rotating clockwise rotating counter-clockwise Rotation of Cam scale second for acceleration second for velocity second per second show the unclamped Type of Motion unclamped position University of Minnesota vector ½ inch VELOCITIES Crank VELOCITIES Four-Bar Mechanism velocities of points VELOCITY POLYGON