International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
Fabrication of Pedal Operated Setup for Cutting And Charging Dr. J. Venumurali1, P. Muni Sreenivasulu2, K. Bhaskar2, K.Abhiram Reddy2, R. Loka Vigneawar Reddy2, A. Sathya Prakash Reddy2 1
Associate Professor, Department of Mechanical Engineering, AITS, Tirupati, AP, India. 2 UG students, AITS, Tirupati, AP, India. ---------------------------------------------------------------------***--------------------------------------------------------------------Abstract - Operating hacksaw manually is a very tiring 2. Methodology and time consuming activity. It requires a lot of manual effort and delivers uneven cutting. Operating an electrical hacksaw does deliver good results but consumes a lot of energy. Hence, in this work proposed a semi-automated hacksaw using pedal power. Accordingly designed and fabricated pedal operated setup in which rotary motion of the sprocket by the effort of pedal converted into reciprocating movement of a frame connected by hacksaw. Using this mechanism a variety of components made up of different materials like Wood, Iron, Plastic have been cut and observed the time taken for this task. Finally the pedal operated setup yielding better efficiency in shearing of the components with less effort in comparison to the existing method.
2.1 Existing Method
2.2 Proposed Method The modifications implemented to the existing method in order to improve the versatility of the setup, the following key changes done in the proposed method.
Key Words: Frame, Chain Sprockets, pedal, Connecting Rod, Hacksaw, Bearings, Dynamo.
1.INTRODUCTION According to recent researches [1][2], pedal power is the power people can transfer using a pedal and crank system. This technology is used primarily in transportation and has been used for cycling for over 100 years [5]. Moreover, less frequently, pedal power is used in agriculture and making hand tools, or even to generate electricity [4][6][9]. Some applications, including pedal-powered water wells which are most efficiently worked to draft water with less effort. Some developments in turning discarded bicycles into pedalpowered devices to increase sustainability. Many devices can start working immediately using mechanical energy [8][10]. A saw is a tool that uses hard teeth or metal with abrasive edges to cut the material. The cutting edge of the saw is a serrated or abrasive blade and the saw can be used in home appliances [7][11][12]. Therefore, this project describes about pedal driven hacksaw which can produce power more than 4 times comparing the power produced by hand lever. Moreover, the hacksaw fixed in the frame with tight tension will cut the PVC pipes and Steel pipes placed in the required position and repeated this process for cutting in any such pipes. Finally observed the accuracy and efficiency of the hacksaw operated by a pedal used in work.
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There is no On-Boarding Self Charging System. i.e., Dynamo Maintenance period was very low. In existing system one of the main problems with Self Chargeable in Pedal Operated Hacksaw is generates less power.
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The Dynamo in a wheel will generate electricity when it is in pedaling condition.
The Dynamo, which is connected to the rear part of the hacksaw near the wheel to generate electricity.
Electricity generated by the dynamo as above said process is stored in a lead acid battery, which is further will be used to the light bulb near the hacksaw blade.
Here, the small pinion wheel gives movement to the Dynamo and helps to continue generate electric power. The electricity generated by the Dynamo, the consumption of electricity by the bulb occurred simultaneously, there by the life of the battery also enhances slightly when compared with wheel without dynamo.
Time of cutting is very less as compared to previous methods and it is compacted in size.
Free movement in hacksaw frame with the sliding motion.
Up and down moments of the frame will be avoided by knuckle joint provided at the end of connecting rod.
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