A computer-aided unit process sustainable modelling for manufacturing processes : Case for extrusion process
- Authors: Singh, Karmjit , Sultan, Ibrahim
- Date: 2019
- Type: Text , Journal article
- Relation: Production and Manufacturing Research-an Open Access Journal Vol. 7, no. 1 (2019), p. 143-160
- Full Text:
- Reviewed:
- Description: Sustainable manufacturing assessment is meant to ensure that products are manufactured such that negative environmental impacts are reduced by conserving energy and managing the use of natural resources as well as ensuring economical soundness for the process. The main objective of this work is to introduce sustainable development methodology/models for manufacturing processes. For this purpose, the paper utilizes background data, develops a computer model and presents detailed case studies. This paper will identify and adopt key performance indicators (KPIs) and utilize these to assess the sustainability of extrusion process and their designs. Different manufacturing parameters such as material types, product specifications and manufacturing tools are considered in the process of measuring sustainability. The proposed computer model is verified with data obtain from actual aluminium extrusion plants.
A framework for sustainability performance assessment for manufacturing processes
- Authors: Singh, Karmjit
- Date: 2019
- Type: Text , Thesis , PhD
- Full Text:
- Description: Sustainable manufacturing methods make it possible to develop products in ways which minimize negative environmental impacts, conserve energy and save natural resources whilst being economically sound. The concepts of sustainability in manufacturing being are still fairly broad, in scope, and need to be more focused and firmly established at the process, machine or factory levels. This project proposes a structure for manufacturing with a main objective to develop a sustainability framework which encompasses various production processes. Structured information models for the seamless flow of information across the design and manufacturing domains, for selected manufacturing processes, are defined. The thesis work identifies key performance indicators (KPIs) for the assessment of manufacturing sustainability and performs analysis of selected unit manufacturing processes and their sub-processes with the aim of proposing a methodology for determining science-based measurements of the manufacturing processes affecting these KPIs. The theoretical foundations established are then used to develop a model that could evaluate sustainability of selected manufacturing processes and their respective process plans providing a basis for inter-process comparison and selection of the most sustainable process plan. The proposed framework is presented in form of a manufacturing planning computer-based package which is designed to to consider different influencing factors such as product information, part geometry, material related physical and processing properties and the manufacturing equipment operating data. The thesis presents a number of case studies which have been published in international journals. The case studies present estimates of the manufacturing sustainability KPIs for a number of production methods. These estimates have been verified with available shop floor data. The work in the thesis makes it possible to establish manufacturing industry equipped to deal the challenges of the future when sustainability will be the major factor up on which the quality of success will be determined.
- Description: Doctor of Philosophy
Modelling and evaluation of KPIs for the assessment of sustainable manufacturing : An extrusion process case study
- Authors: Singh, Karmjit , Sultan, Ibrahim
- Date: 2018
- Type: Text , Conference paper
- Relation: 7th International Conference of Materials Processing and Characterization, ICMPC 2017; Hyderabad, India; 17th-19th March 2017; published in Materials Today: Proceedings Vol. 5, p. 3825-3834
- Full Text: false
- Reviewed:
- Description: Manufacturing industries today are focusing on controlling negative environmental impacts, reducing cost, conserving energy and natural resources while producing new products through various methods and tools of Sustainable manufacturing assessment. This paper proposes science-based guidelines for modeling and evaluation of key performance indicators (KPIs) in an aluminium extrusion process. The proposed methodology consists of the following main components: 1) identification of key performance indicators 2) classification of manufacturing processes on the basis of KPIs 3) evaluation of key performance indicators. We discuss in detail the steps of the proposed indicators for aluminium extrusion process. The proposed indicators also contribute towards the development of standard reference methodology to help further sustainability in the manufacturing industries. In this paper we propose science-based guidelines, which can be used to determine key performance indicators, namely energy consumption, solid waste and carbon emissions of an aluminium extrusion process. The proposed methodology has been verified with actual shop floor data obtained from the industry.