Evaluate the inclination of the slotted bar, Mechanical Engineering

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In a slotted and crank lever quick return motion mechanism, the distance between the fixed centres is 240 mm and the length of the driving crank is 120 mm. Evaluate the inclination of the slotted bar with the vertical in the extreme position and the time ratio of cutting stroke to the return stroke.

If the length of the slotted bar is 450 mm, Determine the length of the stroke if the line of stroke passes through the extreme positions of the free end of the lever.


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