Functioning of the quality management system plays only an indirect role in ensuring of a required product quality. Analysis and identification of the product quality determinants is essential for improvement of the steel products quality and its production processes implemented through corrective and preventive actions. Paper presents research findings on the quality determinants identified in the steel products manufacturing of the chosen Polish enterprise, what is the main research objective. Quality management tools were applied to identify and analyze main groups of factors affecting the final product quality. Crucial determinants of the steel product quality have been identified with using Ishikawa and Pareto-Lorenz diagram in order to solve quality problems that occur in the withdrawing rollers manufacturing process. Research methods applied in the paper allows elaborating corrective and preventive actions what is the main contribution of the research in the analyzed enterprise. Paper’s conclusions present proposal of the steel product machining process improvement in order to reduce the risk of quality problems occurrence in the manufacturing process.Keywords: quality, machining process, steel industry, the withdrawing rollers
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