How can I convert oscillatory motion to rotatory motion ?

How can I convert oscillatory motion to rotatory motion ? give me brief idea about that .How can I convert oscillatory motion to rotatory motion ?Look at the piston and connecting rod of a steam or internal combustion engineHow can I convert oscillatory motion to rotatory motion ?The traditional method is by connecting a link (called the connecting rod) from the oscillatory piston, to a crank shaft where the crank pin connection is displaced from the rotational axis of the shaft.



However in engineering there are also a number of other ways. James Watt (improver of the steam engine) could not use a crank-shaft because it would infringe an earlier patent, so he used a large pinion (toothed wheel) on the shaft and a second fixed pinion at the end of the connecting rod. Other alternatives would need ratchets to convert some of the linear motion of oscillation into partial rotation of a big wheel on the shaft.



Almost without exception the imparted forces to the shaft are not uniform and a large and heavy fly-wheel is also a necessary part of this shaft, to carry over the motion when the applied force is small or zero.How can I convert oscillatory motion to rotatory motion ?By using a crank shaft. It's pretty hard to imagine it by yourself so look it up on wikipedia. I think they have a photo there. The crank shaft converts the oscillatory motion of the piston (which results from the pressure of the combustion inside the cylinder) into rotation. The crank shaft is joined to the gear box which controls the speed and the torque.How can I convert oscillatory motion to rotatory motion ?
there are many ways

the best way depends on the magnitude, the power and the frequency of the oscillations





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