PNEUMATIC SHAPING MACHINE.

A pneumatic shaping machine system is a that uses compressed air to transmit & control energy. pneumatic system is used in automatic production lines, mechanical clamps.

A pneumatic shaping machine can be thought of as a large flexible mechanical structure that is moved by some sort of control system. The control system takes its input from a human operator and translates this command into the motion of actuators, which move the mechanical structure. The high performance and highly powerful, Pneumatic operated shaping machine is efficient machine which works by pneumatic power, instead of crank and shaping link mechanism here pneumatic power is employed with quick return mechanism, this system consists of ram, pneumatic cylinder, solenoid valve, timer circuit when air from compressor is sent to double-acting cylinder via solenoid valve, this valve will make the cylinder to move too and fro as per the signal from the timer. 

PNEUMATIC SHAPING MACHINE AIR COMPRESSOR 

An air compressor is a device that converts power (using an electric motor, diesel or gasoline engine, etc.) into potential energy stored in pressurized air (i.e., compressed air). By one of several methods, an air compressor forces more and more air into a storage tank, increasing the pressure. When tank pressure reaches its upper limit the air compressor shuts off. The compressed air, then, is held in the tank until called into use. The energy contained in the compressed air can be used for a variety of applications, utilizing the kinetic energy of the air as it is released and the tank depressurizes.

WORKING MECHANISM OF SHAPING MACHINE

The shaping machine operates in the reciprocating type of machine function. Here the workpiece is fixed on the machine table and the cutting tool is placed on the workpiece. Reciprocating movements over the workpiece results in forwarding and backward strokes. The forward stroke is responsible for cutting action over the object and the backward movement is responsible for restoring its position without any cutting action.

Description of Parts of Shaping Machine with its Functions Working Mechanism of shaping machine is very simple but effective. The parts responsible for its working along with its functional importance are listed below.

MANUFACTURING PROCESS

Manufacturing processes are the steps through which raw materials are transformed into a final product. The manufacturing process begins with the creation of the materials from which the design is made. These materials are then modified through manufacturing processes to become the required part. Manufacturing processes can include treating machining or reshaping the material. The manufacturing process also includes tests and checks for quality assurance during or after the manufacturing and planning the production process prior to manufacture

1 Base: The base of shaping machine is a kind of bed to hold the different parts of shaping machine, it is made up of cast iron since the strength of a base is very important. The base bears the vibration shock of forwarding and backward movement of stroke responsible for shaping action.

2 Body: The body of the machine consists of pats named Pillar, Frame, and Column. The body of the shaping machine is affixed on the base of the shaping machine.

3 Cross ways: These are the sideways affixed vertically and horizontally across the table to allow the movement of the table.

LIST OF PNEUMATIC SHAPING MACHINE

• Compressor.
• Piston. 
• Pneumatic Cylinder.
• Pipes.
• Adjusting valve.
• Pressure-regulating valve.
• Slotting tool

APPLICATION

• Internal flat surfaces. 
• Enlargement and finishing non-circular bounded by a number of flat surfaces. 
• Internal grooves and slots of the rectangular and curved sections.

COMPONENTS AND DESCRIPTION

The major parts that are effectively employed in the design and the fabrication of the pneumatic machining time reduction in shaping machine are described below:

• Pneumatic cylinder,
• Solenoid valve,
• Flow control valve,
• Electronic control unit,
• Flexible hoses,
• Clapper box and deadweight arrangement,

ADVANTAGES 

• Low-cost machine
• Maintenance-free

DISADVANTAGES 

• Stability is low compare to hydraulic
• Constant pressure is needed for operating the machine

CONCLUSION

Thus the machining time is reduced and quick response is achieved. The equipment is simple in construction and easy to maintenance and repair. The cost of the unit is less when compared to other Machines. No fire hazard problem due to overloading. Comparatively the operation cost is less. The speed of forwarding and reverse stroke is varied. Continuous operation is possible without stopping.

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