Table of Contents
Fabrication Of Pedal Powered Dual Chain Hacksaw Machine
Abstract:
Pedal operated hacksaw machine which can be used for industrial applications and Household needs in which no specific input energy or power is needed. This project consists of a sprocket arrangement, the crank and slider mechanism, the chain drive. In the mechanism, chain drive is directly connected to the hacksaw for the processing of cutting the wooden blocks. The objective of the paper is using the conventional mechanical process which plays a vital role. The main aim is to reduce the human effort for machining various materials such as wooden blocks, steel, PVC etc.
Introduction to Pedal Powered Hacksaw Machine
Pedal power is the transfer of energy from a human source through the use of a foot pedal and crank system. This technology is most commonly used for transportation and has been used to propel bicycles for over a hundred years. Less commonly pedal power is used to power agricultural and hand tools and even to generate electricity. Some applications include pedal powered laptops, pedal powered grinders and pedal powered water wells. Some third world development projects currently transform used bicycles into pedal powered tools for sustainable development. This project concentrates on pedal powered hacksaw machining. An individual can generate four times more power (1/4 HP) by pedaling than by hand-cranking. At the rate of ¼ HP, continuous pedaling can be served for only short periods, approximately 10 minutes. However, pedaling at half this power (1/8 HP) can be sustained for close to 60 minutes but power capability can depend upon age [1-2]. As a consequence of the brainstorming exercise, it was apparent that the primary function of pedal power one specific product was particularly useful: the bicycle. Many devices can be run right away with mechanical energy . A saw is a tool that uses a hard blade or wire with an abrasive edge to cut through softer materials. The cutting edge of a saw is either a serrated blade or an abrasive. A saw may be worked by hand, or powered by steam, water, electric or other power. An abrasive saw uses an abrasive disc or band for cutting, rather than a serrated blade.
Components required
- Pedal arrangement
- Stand setup parts
- Supporting frame
- Crank and slider mechanism
- Hacksaw assembly
- Refer :Hacksaw Designation | How to Buy Hacksaw ?
- Dual chain drive assembly
- Sprockets
Fabrication
1. Pedal arrangement
A pair of pedals is attached to the stand setup in which the power will be generated manually. A typical Bicycle arrangement is used.
2. Stand setup parts
Stands are introduced to immobilize the apparatus. Various components used are fixed to this arrangement. The chassis of the bicycle is used as the stand setup parts
3. Crank and slider mechanism
This mechanism is used to convert the rotary motion of the crank into the reciprocating motion of hacksaw. The lengths of the crank and connecting rods are made using trial and error method. The hack saw is guided by an aluminum plate. The vertical movement of the hacksaw will be guided by to iron rods. The vertical movement will act as a feeding unit. Two sets of chain drives are made. The primary chain drive will transmit the power from the pedal to the secondary chain drive. The secondary chain drive will increase the speed of the rotation.
Advantages:
- Easy to operate
- Simple in construction
- Low cost
- Easy to maintain
- Cutting of soft and thin pieces
- Save the electrical power
Disadvantages:
- Not suitable for continuous operation
- Time consuming as compared to electrical power hacksaw
- Not fit for heavy production.
- Without human effort it’s not
Applications :
- It is applicable in small scale industries etc…,
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