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2 2020

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Improving work organisation in the production hall – a case study

Zasadzień Michał

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

2020

z. 147

327--350

Purpose: The aim of the research was to assess the effectiveness of implementing Lean Manufacturing (One-Piece-Flow) elements in a company producing shock absorbers. Design/methodology/approach: With the help of VSM, the most important problem in the production process was diagnosed, and by using the 5 Whys tool, the root causes of the problems were identified. A simulation of introducing the One-Piece-Flow system into the production line was then used to estimate the most optimal solution. After choosing the solution, it was implemented, and the results obtained were verified. Findings: As a result of the conducted analyses, the most important problems related to planning, scheduling and the flow of intermediates were identified. The 5 Whys analysis allowed for the grouping of individual problems by common causes. Detailed solutions to the problems were proposed, which were included in the future Value Stream Map. Research limitations/implications: Conducting research in a working production process is limited and faces significant resistance from managers. Practical implications: The most important effects of implementing an improvement plan were minimising inventory from 138,062 units to 25,000 units, which reduced costs and indicates reduced waste. Lead time was limited to 9.67 days from 56.96 days. Originality/value: Research results confirm the effectiveness of introducing only some solutions of the Lean philosophy. This is particularly important if the enterprise is unable to comprehensively implement the Lean Manufacturing concept due to organisational or financial reasons.

Key Performance Indicators (KPIs) as a Tool to Improve Product Quality

Midor Katarzyna, Sujová Erika, Cierna Helena, Zarebinska Danuta, Kaniak Wojciech

New Trends in Production Engineering

2020

Vol. 3, Iss. 1

347--354

The literature includes a wide selection and distribution of performance indicators to be used in different areas of the company. The paper highlights the Key Performance Indicators (KPIs) as those that are the most universal and allow the control of intended targets in different areas of the enterprise. KPIs are financial and non-financial process measures used to assess the degree of achievement with regard to strategic and operational objectives in a company. They are also used to measure the effectiveness of all activities undertaken in an organizational unit. The paper presents the possibility of using KPIs to improve the quality of manufactured products, by analyzing the trend of selected indicators. This analysis gave an impulse to undertake improvement actions in the company consisting in the use of quality management method – in this case 5 WHY leading to the initiation of preventive and corrective actions in the occurrence of defective products.