Abstract
abstract: This article explores the application of lean thinking concepts in the analysis and obtaining of significant process improvements in building elevators installations. Based on a pilot installation, planned to analyze the installation processes of an elevator manufacturer, the authors compared two similar elevator installations. In one of them, they applied various lean thinking concepts and tools, with particular emphasis on template A3 and value stream mapping (VSM). This pilot installation planning was also developed based on the recommendations for efficient project management, structured by the Project Management Institute (PMI). The application of the template A3 and the value stream mapping to the installation of one of the elevators resulted in increased productivity, reduced installation times, and increased final quality of the product installed.
Highlights
The production of elevators is a mature industrial activity
According to the study planning, the pilot elevator installation was performed by a capable installer team who knew the product very well, correctly followed the installation procedures and knew how to solve unexpected events effectively
The pilot installation performed in this study effectively identified the major bottlenecks and the potential for improvements in electromechanical elevator installation process
Summary
Many incremental innovations have been occurring over time in order to reduce energy costs, automate operation and minimize building space occupation of these machines. In this context, new complex and more efficient designs have been introduced in the market by the world's leading elevator manufacturers (AECweb, 2018; Agnese, 2016; AlKodmany, 2015; Fischetti, 2009; Tetlow, 2007). Elevators are made to order, according to the rating speed and maximum load capacity specifications. They consist in various mechanical structures, driven by electric motors equipped with electronic control systems. The counterweight is used to balance the weight of the cabin, being connected to the traction machine by means of a mobile pulley (Park & Yang, 2010)
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