Abstract
In this study, the production efficiency of a company’s manufacturing flow decreased, and therefore specific improvement actions on the tire manufacturing process were implemented. Additionally, the process improvement plan started with a deeper understanding of the activities, by using the SIPOC method (suppliers, inputs, process, outputs, customers). In order to identify the root-causes and the opportunities for improvement, quality instruments, such as the Ishikawa and Pareto quality tools, were used. The tire manufacturing process was reorganized using the 5S method, then the process was standardized and maintained through specific working procedures drafted on the standard operating procedure format. A particular device was designed for unlocking spring vents. Finally, the implementation of the redesign project shows added value as the entire manufacturing process improved by identifying weaknesses and correcting them. In addition to this, a different objective of the same company used in this case study is linked to adapting to market regulation requirements (the Economic Commission of Europe), with the aim to remain competitive. Therefore, well-defined processes and a strategy based on continuous improvement are needed. The methodology may be transferred to other industries.
Highlights
In the field of production, including in tire manufacturing, a continuous development approach implies critical problems identification and prioritization [1].Organizational performance takes into account two main factors: (1) behavioral quality management practices, which include the commitment of management, employees, customers, and suppliers, and (2) technical quality management practices, including strategic planning, process management, benchmarking, and the analysis of information [2]
The continuous improvement of quality and processes is a fundamental strategy in an organization, and such an approach brings many benefits regarding the optimization of the manufacturing time, cost reduction, and improvement of the overall activity
Process management aims to monitor and control the processes defined in an organization [4]
Summary
In the field of production, including in tire manufacturing, a continuous development approach implies critical problems identification and prioritization [1]. The role of management is essential for the improvement of quality, as well as for the commitment to understanding the needs and to innovating the business processes [3]. The continuous improvement of quality and processes is a fundamental strategy in an organization, and such an approach brings many benefits regarding the optimization of the manufacturing time, cost reduction, and improvement of the overall activity. The processes improvement depends on the management’s commitment and the employees’ efficiency. The relationship between management and the rest of the employees, focused on processes innovation, improvement and developmentt,, ffiinalllyy leadss to efffificiency and good quality for the products [[88]]. HTehfeirfisrtssttsetpe,pp, prorcoecsessspplalannnnininggaannddoorrggaanniizzaattiioonn,,ccoonnssiissttss ooff nnoommiinnaattiioonn ooff aa tteeaamm ffoorr iiddeennttiiffyyiinngg tthhee pprroocceessss aaccttiivviittiieessaannddffoorrddeetteeccttiinnggtthheenneeeeddffoorriimmpprroovveemmeenntt. Applying continuous improvement are related to improving product 2q.uCalaitsye,Simtupdryoving manufacturing times, optimizing costs, streamlining processes, and increasing competitiveness. The case study, the process of tire manufacturing, presented multiple problems that need to be solved in order to improve the performance
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