Design, Fabrication and Testing of A Fonio Dehusking Machine
Research Area: | Volume 1 Issue 6, Nov. 2012 | Year: | 2012 |
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Type of Publication: | Article | Keywords: | Fonio, Dehusking, Design |
Authors: |
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Journal: | IJEIR | Volume: | 1 |
Number: | 6 | Pages: | 489-499 |
Month: | November | ||
ISSN: | 2277-5668 | ||
Abstract: | This paper presents the design, fabrication and
testing of a Fonio dehusking machine. Though fonio is a
staple food in many countries in West Africa due to its high
nutrient content, it is not cultivated on a large scale because
of difficulty in processing. The machine has the following
units – feeding, rolling, dehusking and separating unit. the
fonio passes through the rolling unit where it is abraded by
two knurled shafts and is dehusked by the rotation of the
dehusking drum in the dehusking unit. The fonio grain is
separated from the chaff by passing the mixture through a
current of air supplied by a fan. The materials used for the
fabrication of the machine where selected based on the design
considerations and analyses of its components. The
components of the machine were selected locally and
machined to specifications using machines such as the lathe,
grinding machine, etc. The parts of the machine were
assembled at the welding and fabrication workshop of the
Federal Polytechnic, Bauchi. When tested, the machine
dehusked 5kg of Fonio in 15minutes. It has an efficiency of
69%. |
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Full text: IJEIR-284 Final.pdf
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