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Application of lean and six sigma methodology in improving of production processes

100%

Ćwikła G. , Grabowik C. , Kalinowski K. , Janik W.

Selected Engineering Problems

2014

tom nr 5

21--26

This paper describes example of LEAN and SIX SIGMA methodology application in order to improve production processes. The aim of the study was to improve the production processes of wire sheaves for electrical installations of cars and agricultural machinery. The main problem was the high production costs and long lead times of technological process in case of the prototypes and sheaves produced in small series. Significant number of manufacturing defects has also been a problem. The analysis carried out in accordance with the methodology DMAIC and SIX SIGMA allowed identification of the main problems and development of solutions. As a result of the work proper solutions has been developed and implemented to streamline the production processes, as well as improve the quality and efficiency of the production system in the studied area.

Implementation of Six Sigma methodology using DMAIC to achieve processes improvement in railway transport

100%

Nedeliaková E. , Štefancová V. , Hranický M. P.

2019

tom Vol. 23

18--21

The provision of quality transport services is a prerequisite for the creation of an efficient organization that can meet the expectations and requirements of both the enterprise itself and its customers. From the railway enterprise's point of view, it is necessary to pay attention to the increasingly demanding requirements of its customers in railway passenger transport. This article focuses on identifying defects in rail transport processes that negatively affect ordinary operations. One of the most serious bottlenecks affecting railway transport reliability is the train delay, which fundamentally affects the perception of railway transport. At the same time, it emphasizes the need to apply individual tools according to the DMAIC cycle in order to achieve continuous improvement. The aim of the implemented Six Sigma methodology in railway enterprise is disciplined application of statistical problem-solving tools to recognize the gaps in the transport process and set out individual steps for their gradual removal.

Using the Six Sigma methodology in combination with other tools and methods used in industrial practise

100%

Lestyánszka-Škůrková K.

Zeszyty Naukowe. Quality. Production. Improvement

2017

tom No. 1 (6)

69--92

The aim of the article is application of Six Sigma method in glue applying process during assembling of IGBT modules of products family SEMiX3 performed in manufacture of SEMIKRON company. There are also used other tools and methods as Pareto diagram, Ishikawa diagram, hypothesis testing, Voice of the customer, involved in DMAIC cycle. There was found, that the most important impact of the glue applying process is the amount of glue. This is related to time savings and also Money savings as well as reduce the number of repairs.