Screw Jack Full Detail with Definition,Drawing,Application,Matterial,Efficiency,Velocity Ratio & Mechanical Advantage.
SCREW JACK :- Screw Jack is a weight lifting mechanical device,which can be operated by turning a lead screw.It can lift heavy bodies verticaly for a short height. Part's Of Screw Jack :- A mechanical screw jack contains 7 parts in it.Which can be defined as below. 1.Body:- It is a main part of the screw jack which provides support to the Nut and the Lead screw in it.A body of screw jack is specially made by cast iron. 2.Nut:- It can be defined as a simple nut which is made of Gun metal.A lead screw goes upward and downward in it. 3.Screw:- It is a simple lead screw which goes upward and downward in but by turning by using Tommy bar. 4.Tommy Bar:- It is a simple mild steel bar.It is use to turn the lead screw by placing it in a hole of lead screw body.It's handle is being properly knurled for a bette