SPRING ROLLING MACHINE.

A Spring rolling machine is a device that changes its shape in response to an external force, returning 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. The spring rolling industry is a large and growing industry. There are many special-purpose machines used in this industry today. The proper selection of the machines depends upon the type of work undertaken by the particular industry.

There are many examples of spring rolling work include iron, copper, tin, aluminum, stainless and brass. This project the “SPRING ROLLING MACHINE” finds a huge application in all spring rolling industry. Rolling is the process of bending metal wire to a curved form. The article in the shape of round is made by spring roller shaft. Rolling operations can be done on hand or power operated rolling machines. Informing 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 is elastic bodies (generally metal) that can be twisted, pulled or stretched by some force. They can return to their original shape when the force is released. In other words, it is also termed as a resilient member.

WORKING PRINCIPLE OF SPRING ROLLING MACHINE

When the handwheel is rotated, the shaft will run. The main shaft is coupled to the bearing with the help of a mild steel plate arrangement. The main shaft is rotated with help of hand wheel rotation. Before the handwheel rotation, the spring wire locked to the lock nut in the spring mandrel. The spring wire is supplied by applying the load through a guide which is fixed in the frame stand. The guide will rotate freely according to the speed of the spring rolling shaft. The main shafts one end is coupled to the chuck and another end is coupled to the handwheel. A spindle shaft or mandrel (various diameters) is attached to the chuck and it rotates.

OBJECTIVE & SCOPE

The goal of this project is to design and fabricate a manual spring rolling machine by a simple mechanical arrangement for the production of closed and open coil helical springs. The specific characteristics being variable spring diameters, variable spring coil diameters of various materials by manual rolling process. The scope of this project is the application of this “MANUAL SPRING ROLLING MACHINE” in small scale industries for the production of open and closed helical springs of varying spring coil diameters and varying spring diameter, without much expense in a small scale level.

PROBLEM STATEMENT OF SPRING ROLLING MACHINE

Rolling process for the production of open and closed coil helical spring was difficult for different materials due to the variation in modulus of rigidity. And for the purpose of the production of springs with different diameters usage of chuck made it difficult due to its unavailability and increased cost and also its maintenance. Which also abruptly increases the weight of the mechanism more than expected. So we had to replace the chuck by another holding mechanism that solved the difficulties that were caused by chuck. 

ADVANTAGES:

• Simple in Construction and Working Principle
• Labor necessity is less
• High generation
• Length of the spring fluctuates
• Generation cost is lessened
• Minimal effort
• The upkeep cost is low.

DISADVANTAGES:

• This machine is pertinent for specific measurement of the spring
• This machine is utilized to deliver delicate spring wire as it were

CONCLUSION

After completing the work, it is concluded that work is simple in construction and compact in size for use. Even in the absence of power supply it can be operated manually, and also manufacturing of machines is easy and the cost of the machine is less .This machine can fabricate spring up to 3mm wire diameter of spring with less production time with ease by mass or batch production. This work can be implemented in small scale industries

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