In any industrial sector, there is a constant search for improvements in the
production process. Process automation has become the greatest ally, as it offers
greater productivity in less time, reduces human work and reduces product waste.
However, the high prices of equipment becomes a risky investment, since, according
to SEBRAE, high investments without planning and lack of capital result in the
bankruptcy of 80% of micro and small companies before completing 1 year, that is, ,
in its initial phase. Thus, the present work describes the development of a low-cost
semi-automatic liquid filling machine, capable of filling pre-set quantities, using
containers of different sizes. The project is aimed at improving the production
process of small companies in the initial phase, in the cleaning materials sector that
work with liquid products, such as disinfectants, alcohol, bleach and glass cleaner.
We sought to use components that are easy to access and low cost, in order to make
maintenance simple and make the prototype cheaper. Among the components used,
the load cell stands out, consisting of resistive strain gauges coupled to a metallic
structure which deforms according to the applied force, making it possible to
measure quantities such as force and pressure. A prototype was built, which met the
sufficient tolerances for the liquid filling process, in accordance with INMETRO
Ordinance No. 248/2008, proving to be a great option, in view of the presented
precision, agility in the filling process and the reduction of product waste.
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