Diploma Mechanical Project on Pneumatic Sheet Cutting Machine

This is Mechanical diploma project on "pneumatic sheet cutting machine". The sheet metal cutting process is a main process of the all industries. Normally, the sheet metal cutting instrument is manually hand operated one for medium and small scale industries. In this project we are going to automate it. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.


Automation in the modern world is inevitable. Any automatic machine aimed at the economical use of man, machine, and material worth the most. In our project is solenoid valve is used for automation.

The sheet metal cutting machine works with the help of pneumatic double acting cylinder. The piston is connected to the moving cutting tool. It is used to cut the small size of sheet metal. The machine is portable in size, so easy transportable.

Pneumatics is widely associated with low cost automation. It generally offers the lowest initial and operating cost and simple, flexible control systems. Though pneumatic system is the study properties of air other gases, we are concerned with the study of air.

The major components of these systems are,

1. Compressor
2. Pneumatic Cylinder
3. Solenoid Valve
4. Hose and fitting
5. Seals
6. Control Timer Circuit
7. Flow control valve


Construction of this devices is similar to that of an internal combustion (IC) engine which consist of cost-iron or aluminum body with an oil tank, the base piston with piston rings, valves, connecting rods, cranks, crank shaft and bearing etc. If the piston is moving down air is sucked in via the suction valve and a filter and is compressed in return stroke.

The pressure switch is attached to the driving motor and is ready such that it automatically trips off, disconnecting the electric connection to the motor as as quickly as the receiver achieves the desired set pressure.

The safety valve is set to the same pressure limit and in case of the pressure exceeds this limit, it automatically opens and excess pressure is exhausted to the atmosphere, thus limiting the system pressure to the desired level. The drain valve drains off the condensate produced at the condenser and the receiver piston rings are used around the piston to make it airtight.

This project report includes introduction, pneumatic system, components and description, working principle, design and drawings, applications and disadvantages, advantages, list of materials & cost estimation. Use this report for your reference and study work.


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