SOLAR POWER HACKSAW.

A solar power hacksaw machine for cutting metal to different sizes and lengths with the help of solar hacksaw. The objective of this project is to save manpower and time, energy in cutting metals in order to achieve high productivity. It is a cutting machine with teeth on its blade used especially for cutting material. The power to the hacksaw is provided by Solar Energy. The motor drives the flywheel connected to the shaft of the motor. The flywheel is connected through a link that transmits the required force for cutting the workpiece. Finally, the connecting rod is connected to the vertical arm connected to the horizontal arm. The rotary motion of the shaft is converted into reciprocating motion of the hacksaw with the help of a crank and connecting rod. The workpiece of the desired length can be cut by feeding it to hacksaw by holding it into bench vice. The various components of the machine were designed and constructed. The test was carried out on the machine using different metals.

A hacksaw is a handheld tool used to cut through materials like plastic tubing and metal pipes. 

SCOPE OF SOLAR POWER HACKSAW

• The machine can solve the problem of time consumption.
• Waste of resources in the face of labor costs is reduced.
• The machine can be used in the industry where it is manufactured, in the packaging sector.
• It is used as hardware in large quantity like in fabrication machine
• It generates sustainable and practical solutions for future industrial development. 

POWER OF HACKSAW CUTTING

The simple back-and-forth motion of the blade made the hacksaw one of the first types of sawing machines designed for power. The

simplicity in the blade motion has kept the price of the saw machine relatively cheaper than other types of sewing machines. The low initial

cost coupled with flexibility and adaptability has enabled the hacksaw to remain popular in the industry. In hacksaw cutting, a single blade is tensioned in the bow and reciprocated back and forth over the workpiece. The cutting action is achieved only during half of the cycle of operation. 

METHODOLOGY

Solar Power Hacksaws are used to cut large sections of metal or plastic shafts and rods. Cutting solid shafts or rods of diameters more than fifteen millimeters is very hard work with a normal handheld hacksaw. Therefore solar power hacksaw machines are used to carry out the difficult and time-consuming work. This power hacksaw machine is considered as an energy-saving machine because the operator need not be there to provide the reciprocating motion and downward force on the work-piece in order to cut it. 

COMPONENT USED 

Flywheel

Flywheel used in machines serves as a reservoir which stores energy during the period when the supply of energy is more than the requirement and releases it during the period when the requirement of energy is more than supply. Flywheels have a significant moment of inertia and thus resist changes in rotational speed.

Hacksaw

A power hacksaw (or electric hacksaw) is a type of hacksaw that is powered by an electric motor. Most power hacksaws are stationary machines but some portable models do exist. Stationary models usually have a mechanism to lift up the saw blade on the return stroke and some have a coolant pump to prevent the saw blade from overheating.

WORKING PRINCIPLE

The machine both DC as well as AC power. First of all, we gain energy from solar power. This gained energy is stored in battery. Then we actuate the motor with the help of this battery power. This project is work under the scotch- yoke mechanism. The scotch yoke mechanism converts the rotating motion into reciprocating motion. 

ADVANTAGES

• Solar-powered hacksaw is energy efficient as well as eco-friendly in comparison to convention hacksaw being used. 
• The major advantage of this machine is that it requires no exhaustible source of energy for its operation.

CONCLUSION AND FUTURE SCOPE 

It is the need of time to replace conventional power hacksaw machines with solar-powered hacksaws. Solar-powered hacksaw is energy efficient as well as eco-friendly in comparison to convention hacksaw being used. The major advantage of this machine is that it requires no exhaustible source of energy for its operation. In this rapidly emerging industrial section, the use of power Hacksaw is wide and requires lots of energy for its operation. This can be overcome by using a solar-powered hacksaw. This machine can be made use of at any of the industries like pump manufacturing industries that involve bulk amounts of shafts that have to be cut frequently. Various ranges of sizes of work-piece can be cut. Currently, the machine uses a 12-inch blade for cutting shafts of various sizes.

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