Accidents with plastic injection machines represent a serious safety problem in the
plastic production chain, which has become increasingly frequent with the
advancement of technology. The present work seeks to evaluate the operation
process of a plastic injection molding machine, in order to map the environmental
risks to which workers are exposed, as well as to suggest preventive measures for its
control and elimination. To this end, all stages of the work of a plastic injection
molding machine operator were described, the concept of environmental risks was
presented, and a qualitative survey was carried out which enabled the description
and analysis of the risks through a Preliminary Hazard Analysis (PHA) and, later,
apply the Method of Analysis and Trouble Solution (MASP) to identify the root causes
of the problems found in the PHA and the suggestion of effective preventive
measures. From the results obtained with the work, it was demonstrated the
effectiveness in the use of the analysis methods and, consequently, the need to
adopt preventive and corrective measures, in order to avoid accidents in the plastic
injection process.
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