Abstract
Environmental impact and recycling have been increasingly frequent topics in recent years. At the same time, the life cycle of products has increasingly become shorter, as the escalating competitive market requires new products in smaller pieces. From this perspective, the recovery of parts and products that are produced in this market system for subsequent reuse when they reach the end of their life cycle is essential. For these reasons, it has become critical that companies re-evaluate their product design with a view to the possible recovery of the parts that comprise their products and to create new products for the market. The following discussion was based on the study of design for disassembly (DfD), which is the analysis of industrial products aimed at optimizing disassembly in terms of time and costs. The application of the DfD to a case study of a gearbox has, among its main objectives, the search for the best disassembly sequence in terms of time and money. During the course of the study, augmented reality (AR) was used. Through the use of the Unity software and Vuforia package, it was possible to bring the gearbox back to AR and then simulate the disassembly sequence in AR.
Highlights
The aim of this study was to report and comment on the application of design for disassembly (DfD) to a case study of a gearbox
By disassembly of an object, we mean the decomposition of this into the parts that compose it, under the condition that the disassembly process does not cause damage to the parts. This method, under the condition that the disassembly process does not cause damage to the parts. This method, known as DfD, is an approach to design that allows the recovery of the parts, components and known as DfD, is an approach to design that allows the recovery of the parts, components and materials that make up the product at the end of the life cycle
Application identified in order to speed up the disassembly: S1 = {15, 18}, S2 = {4, 20, 10, 21}, S3 = {5, 9, 8, 22, 23}, To apply the second method to the case of the gearbox, first sub-assemblies of the product have been identified in order to speed up the disassembly: S1 = {15, 18}, S2 = {4, 20, 10, 21}, S3 = {5, 9, 8, 22, S4 = {6, 7, 24}
Summary
The aim of this study was to report and comment on the application of design for disassembly (DfD) to a case study of a gearbox. Design for disassembly is considered as “green production”, and it is the structural basis of DfE, as it offers techniques aimed at simplifying the assembly of a product in order to make maintenance and final disassembly of the object easier and faster, while allowing the recovery of subsystems to be reconditioned or raw materials to be recycled. Using these methodologies, it is possible to reduce a product’s environmental impact, with the reuse of parts belonging to end-of-life products.
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