Lean production in manual assembly line — A case study

This paper is describing a methodology of improvement project that is carried out in a company that supplies electronic communication plastic parts. By using the lean tools, the focus of the paper is to improve the manual assembly line by adopting lean tool for the process improvement. The process improvement are divided into several phases, from defining the goal until the test run of the solution, with different lean concept being used at different phase. The improvement had been done phase by phase in order to ensure the impact of the improvement. Through the test run, the proposed solution based on concept of Lean production increase profitability based on idling time reduction (81.64%) and operator saving(40%) in operation.