A supportive framework for successful implementation of improvement work
Abstract: Lean Production is one of the most generally accepted concepts for increasing operational effectiveness. However, its implementation is still challenging for many companies as it implies not only changes of technical systems and management systems but also changes in attitudes and culture. Generalizable implementation steps have still not yet emerged and there are many ways to implement Lean Production. A Lean Production implementation is a never ending process since it is always possible to become leaner. Thus, the implementation of Lean Production is a long-term commitment for a company in order to reach success.There is a need for research on how to develop and integrate improvement work in order to establish a successful implementation of Lean Production. Accordingly, the overall purpose of the research presented in this thesis is to contribute to an increased understanding of how to successfully implement Lean Production. Moreover, the objective is to develop a supportive framework for a successful Lean Production implementation and to describe this in a general process for the implementation of improvement work.Through literature reviews and three research studies, a supportive framework for the successful implementation of improvement work has been developed. The first study is an explanatory literature and interview study to build a concept model of improvement work. The second study is an exploratory embedded single case study that was conducted to validate the model. Finally, the third study is an exploratory multiple holistic case study that investigated enablers for continuous improvement after a radical implementation of Lean Production.The resulting supportive framework consists of important actions to consider during the different stages of a process for the implementation of improvement work. In the first stage after a radical implementation phase, actions important to sustain change and enable continuous improvement include for example a focus on good leadership on shop floor and efforts in the area of control and follow-up of results in production teams.To develop continuous improvement several actions are defined, like the importance of understanding the context of improvement work including important relations to operations and to develop the production strategy with objectives to align the improvement work.To reach long term success it is important to integrate continuous improvement into operations and important actions for this stage are for example to update the Operational Management System on the company-specific-production-system framework’s processes continuously, which includes visualisation of the overall improvement work process.
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