With the increasing levels of technology, the efforts
being put to produce any kind of work has been
continuously decreasing. The efforts required in
achieving the desired output can be effectively and
economically be decreased by the implementation of
better designs. Power screws are used to convert
rotary motion into translator motion.
A screw jack is
an example of a power screw in which a small force
applied in a horizontal plane is used to raise or lower
a large load. The principle on which it works is
similar to that of an inclined plane. The mechanical
advantage of a screw jack is the ratio of the load
applied to the effort applied. The screw jack is
operated by turning a lead screw. The height of the
jack is adjusted by turning a lead screw and this
adjustment can be done either manually or by
integrating an electric motor. Pneumatics is a branch
of technology that deals with the study and
application of pressurized gas in affecting
mechanical motion. In this project “Mechanical
Project Report on Center Jack for Cars” is designed
to make a pneumatic jack that can lift a complete car
or an automobile when placed at the car’s bottom.
These systems are mainly used in industries, factories
and are generally plumbed with compressed air. The
preference for pneumatic systems is because a
centrally and electrically powered compressor is used
to power cylinders through solenoid valves and
provides motion in a cheaper and flexible mode. The
best point of the project is that it can drive a complete
system with the aid of Compressed air without any
part of the automobile touching the ground. In this
project, an electric motor will be integrated with the
screw jack and the electricity needed for the
operation will be taken from the battery of the vehicle
and thereby the mechanical advantage will be
increased.
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