Example 5.2. In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 240 mm and the length of the driving crank is 120 mm. Find the inclina- rion of the sloned bar with the vertical in the extreme position and the time ratio of cutting stroke to the return stroke. If the length of the sloited bar is 450 mm, find the length of the stroke if the line of stroke passes through the extreme posinions of the free end of the lever.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Example 5.2. In a crank and slotted lever quick return motion mechanism, the distance
between the fixed centres is 240 mm and the length of the driving crank is 120 mm. Find the inclina-
rion of the sloed bar with the rertical in the extreme position and the time ratio of cutting stroke to
the return stroke.
If the length of the sloted bar is 450 mm. find the length of the stroke if the line of stroke
passes through the extreme positions of the free end of the lever.
Transcribed Image Text:Example 5.2. In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 240 mm and the length of the driving crank is 120 mm. Find the inclina- rion of the sloed bar with the rertical in the extreme position and the time ratio of cutting stroke to the return stroke. If the length of the sloted bar is 450 mm. find 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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