(Solved): In the stone crushing mechanism shown in the Appendix, the limb lengths are ???????? = ????2 ...

In the stone crushing mechanism shown in the Appendix, the limb lengths are ???????????? = ????2, ???????????? = ????3, ???????????? = ????4, ???????????? = ????5, ???????????? = ????6 and their values ??are shown in the figure in “mm” units. Take the angles of the limbs with the horizontal (????2, ????3, …) as in the figure below. Let the center of the fixed coordinate set be at point O. 1-Let the angle of the OA arm with the horizontal change between 20 and 360 in 1 degree intervals and let the angular velocity be constant ????2 = 10 rad/s. Accordingly, answer the following questions: 2- When ????2 = 180°, calculate the angular velocities and accelerations of the AC and CB rods using the graphical method (with velocity and acceleration triangles). Show that the results you find are the same as the values ??you calculated with the program you prepared in S1. Calculate the angles scanned by the ED and OA limbs between the dead positions. If the movement of the ED rod in the direction shown in the figure is called “going” and the opposite is called “returning”, what will be the ratio of the travel and return times ????????/td? 3- It is desired to complete the four-rod mechanism by removing the OA, AC, CD and CB arms and adding a drive pair to the ED limb instead of them. In the meantime, it is desired that the length of the ED, the dead positions and the angle it scans between the dead positions do not change and the travel & return time ratio be 1. Size the limbs to be added to meet these conditions. Also show that the four-bar mechanism you obtained meets the desired conditions by making an animation. Find the extreme values ??of the connection angle formed at point D in the mechanism you synthesized and show the mechanism by drawing it in the relevant positions.