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Development of an Improved Pedal Powered Hacksaw Machine



Author(s)

Mogaji Pius Bamidele

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DOI:10.17265/2161-6221/2016.11-12.002

Department of Mechanical Engineering, School of Engineering and Engineering Technology, Federal University of Technology, PMB 704, Akure, Ondo State, Nigeria

Pedal powered hacksaw machine which can be used for small-scale industrial applications and Household needs in which no specific input energy or power is needed in both rural and urban area where there no adequate supply of electricity was developed. Machine 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 cutting of woods, plastics and metals. The material selection was carried out which is mainly mild steel and angle iron to carry the weight of the machine. Performance evaluation was carried out on the machine to ascertain its effectiveness. A Polyvinylchloride (PVC) pipe of diameter 30 mm and a thickness of 3 mm was cut at various trials, the number of strokes and time used in cutting the pipe completely were recorded. Time taken to achieve several cutting depth on a wood of thickness 45 mm were recorded. Several shaft diameters made of hardened steel were cut using the pedal powered hacksaw and the various time spent during the cutting processes were recorded which shown high efficiency of the machine developed. The cost of production was 44,000 Naira (approximately 232 US Dollars).

Development, hacksaw, improved, pedal, powered.