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Construction Of Grain Grinding Machine
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1.2 Statement of the Problem
Grinding of
grains is one of the oldest cultural techniques of humanity. All
civilizations that feed more or less exclusively from cereals were
forced to develop technology for grinding grain crops. In all
traditional civilizations, grinding is the domain of women. There are
two different techniques used in effecting size reduction of grains. The
grinding done by pounding the grains (mortar and pestle) and the
grinding done by crushing the grains between two stones (grinding
stone). The method of pestle and mortar is the widely used in the
West-African country.
The use of grinding machine is one of the
simplest methods of processing grains alternative to the traditional
methods of grain processing using stone, mortar and pestle. However,
machines constructed using metal plates results in tearing and wearing
away of the materials of construction. The effect of this is the
contamination of the processed foodstuff. This is known to have negative
health implications when accumulated and consumed in large quantities.
Another problem is that the pounding work using mortar and pestle is
demanding and tiring and the used of grinding stone is very laborious.
Based on this backdrop, the study sought to design and construct a local
fabricated grain grinding machine using available local technology.
1.3 Objectives of the Study
The objectives of the study are:-
i. To construct grain grinding machine with local materials.
ii. To construct a machine that can perform domestic operations.
iii. To produce a grain grinding machine that is lesser in vibration, weight and in size.
1.4 Justifications of the Study
i. This is to promote indigenous machine and their producers.
ii. To have a portable grain grinding machine constructed for domestic uses with a powered driven source.
iii.
To improve the economic and the country as a whole by neglecting
imported blenders i.e producing machine that is affordable to substitute
the imported blenders.
iv. To be able to meet National Board for
Technical Education (NBTE) requirement in awarding National Diploma (ND)
in Mechanical Engineering.
1.5 Scope/Limitations of the Study
This
study is on design and construction of grain grinding machine. The
study will focus on construction of a local fabricated grain grinding
machine using available local technology.
Limitations of study
Financial
constraint: Insufficient fund tends to impede the efficiency of the
researcher in sourcing for the relevant materials, literature or
information and in the process of data collection (internet,
questionnaire and interview).
Time constraint: The researcher will
simultaneously engage in this study with other academic work. This
consequently will cut down on the time devoted for the research work.
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