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8D Methodology for Solving Problems in the Production of PVC Pipes


[ 1 ] Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 2 ] Instytut Technologii Materiałów, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.8] Mechanical engineering

Year of publication


Chapter type

chapter in monograph / paper

Publication language


  • 8D methodology
  • problem solving
  • production process
  • process innovation

EN The paper aims to apply the 8D methodology in problem-solving in the production process. The research project has been carried out at a manufacturing site of PVC pipes. The authors propose a methodology that eliminates deviations from the company’s work standards and helps achieve a new target state. The 8D methodology, extended by additional steps, was proposed to find effective solutions based on the lean management concept. Extension of the 8D methodology with additional steps has facilitated the building of a team with key competencies necessary for solving the identified problem, clear definition of goals, and analysis of the sequence in which the proposed solutions have been implemented, to ensure that the return on investment is achieved within the shortest possible time. The implemented solutions improve the pipe extrusion process by reducing the amount of generated waste by 12.6% and shortening the extrusion head gap adjustment process during the start-up of the manufacturing line by 16.5%.

Date of online publication


Pages (from - to)

73 - 83





Advances in Design, Simulation and Manufacturing V : Proceedings of the 5th International Conference on Design, Simulation, Manufacturing: The Innovation Exchange, DSMIE-2022, June 7–10, 2022, Poznan, Poland – Volume 1: Manufacturing and Materials Engineering

Presented on

5th International Conference on Design, Simulation, Manufacturing: The Innovation Exchange DSMIE-2022, 7-10.06.2022, Poznań, Polska

Points of MNiSW / chapter


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