Abstract
In today’s world, there is an increasing awareness among consumers for demanding sustainable products. Several countries have already started working to create strategies for implementing sustainable manufacturing. Other countries are making efforts to access international markets and face intense market competitions in terms of sustainable status of products, which build a huge pressure on manufacturers to avail the concept of sustainable manufacturing. This paper proposes a manufacturing model to minimize total cost of manufacturing and carbon emissions with the effect of variable production quantity to provide sustainable manufacturing. Total cost of manufacturing includes fixed costs and variable costs with the addition of cost of minimum quantity lubrication and imperfect quality items. Minimum quantity lubrication system is an eco-friendly and sustainable, which reduces negative impact on environment and improves workers' safety. This study considers the real situation of imperfect products and proportion of it can be reworked at certain known rate. Numerical example and sensitivity analysis are given by using multiobjective genetic algorithm and goal attainment techniques to illustrate the practical applications of the proposed model.
Highlights
The manufacturing sector challenged a lot of problems regarding economics, quality, and environment
The optimal values of the objectives were first obtained by single objectives Genetic Algorithm (GA) individually the data was analyzed by using multiobjective GA to obtain solution i.e., total production cost is $9925.652 and carbon emissions is 817.44 kg
This paper dealt with the multiobjective optimization model to achieve minimum production cost and carbon emissions from manufacturing process to develop an optimal allocation policy for the benefit of production firm
Summary
The manufacturing sector challenged a lot of problems regarding economics, quality, and environment. With the passage of time, the customer started to search for user-friendly, eco-friendly, and sustainable products, which put pressure on manufacturers to develop new techniques and systems to compete for market share. Material Requirement Planning (MRP), Just In Time (JIT), lean manufacturing, and sustainable manufacturing system were developed [2]. The manufacturing sector needs to move towards sustainability of the economy and achieve the Millennium Development Goals (MDGs), derived from the United Nations Declaration in 2000s [3]. Sustainable manufacturing is defined as to manufacture products by certain processes, which use minimum resources and renewable energies, produce less negative impact on environment, are safe for humans, and economically well [7]
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