Lean Production during the Processing of Plastic Moldings

Abstract

The paper describes the process of optimizing this line in 2017 which was based, on repeated balancing, on the preparation of a lean workplace concept (through a suitable lay-out and standardization) and on the measurement of time consumption of individual operations. It is a company dealing with the processing of plastics moldings. The production on the line that is subject to the analysis was launched gradually in 2016/2017. The balancing process was mainly based on the Yamazumi Chart. The time consumption for individual operations was measured by direct measurement and, in the design stage, the system Basic MOST (method of indirect measurement of time consumption) was used. The paper also addresses the problem of suitable metrics, which will be used for characterization of the “lean nature” of production. Using the common indicator the productivity we have identified an improvement in productivity by almost 40%.