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hello friends,

INTRODUCTION

Spring rolling industry is a large and growing industry.

There are many special purposes machines used in this

industry to-day. The proper selection of the machines

depends upon the type of the work under-taken by the

particular industry. There are many examples of spring,

which can be seen in our everyday lives. The metals

generally used for spring rolling work include iron,

copper, tin, aluminum, stainless and brass.

Our project the S!"#$% "O&$% '()*#$+ nds huge

application in all spring rolling industry. "olling is the

process of bending metal wire to a curved form. The

article in the shape of round is made by spring roller

shaft. "olling operation can be done on hand or power

operated rolling machines. #n forming round spring

shapes a gradual curve is to be put in the metal rather

than sharp bends. The gap between the springs can be

regulated by proper arrangement.

The lock nut is used to xing the spring wire to the rolling

shaft. The spring wire is supplied by a tare is called spring

wire tare. This tare is xed to the stand by two end

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bearings. The tare is rotated freely during the time of

spring rolling operation. The single phase induction motor

is coupled with the spur gear arrangement by pulleys.

The motor is rotated by switch on the power supply of

single phase. The spur gear is rotated due to the rotation

of motor. The spur gear is coupled with the main shaft by

bearing.

( Spring is a device that changes its shape in response to

an external force, "eturning to its original shape when the

force is removed. The energy expended in deforming the

spring is stored in it and can be recovered when the

spring returns to its original shape .The amount of

deformation is directly proportional to force exerted.

Spring rolling industry is a large and growing industry.There are many special purpose machines used in this

industry to-day. The proper selection of the machines

depends upon the type of the work under taken by the

particular industry. There are many examples of spring

rolling work include iron, copper, tin, aluminum, stainless

and brass. This project the S!"#$% "O&$% '()*#$+

nds huge application in all spring rolling industry. "olling

is the process of bending metal wire to a curved form.

The article in the shape of round is made by spring roller

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shaft. "olling operation can be done on hand or power

operated rolling machine. #n forming round spring shapes

a gradual curve is to be put in the metal rather than

sharp bends. The gap between the springs can be

regulated by proper arrangement. Spring are elastic

bodies /generally metal0 that can be twisted, pulled or

stretched by some force. They can return to their original

shape when the force is released. #n other words it is also

termed as a resilient member. ( spring is dened as an

elastic machine element, which de1ects under the action

of the load 2 returns to its original shape when the load is

removed. 'echanical springs are used in machine

designs to exert force, provide 1exibility, and to store or

absorb energy. Springs are manufactured for many

di3erent applications such as compression, extension,

torsion, power, and constant force. 4epending on the

application, a spring may be in a static, cyclic or dynamic

operating mode. ( spring is usually considered to be

static if a change in de1ection or load occurs only a few

times, such as less than 56,666 cycles during the

expected life of the spring. ( static spring may remain

loaded for very long periods of time. The failure modes of

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interest for static springs include spring relaxation, set

and creep.