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Green machining: improving the bottom line
University West, Department of Engineering Science, Division of Production Engineering. (PTW)
University West, Department of Engineering Science, Division of Process and Product Development. (PTW)
2009 (English)Conference paper, Oral presentation only (Other academic)
Abstract [en]

The aim of this paper is to present how Green machining can be established in the metal working industry for taking immediate actions towards a more environmental friendly manufacturing, but also to address areas for research in order to advance towards a more sustainable manufacturing industry. An often overlooked approach is to use the knowledge about the specific cutting energy and its dependency upon machining parameters in order to establish a machining strategy that leads towards a more energy efficient production, but also contributes to increased productivity and thereby improving the bottom line as well. The paper has a production preparation perspective and thus presents the areas where a green machining strategy is applicable.

Place, publisher, year, edition, pages
Kairo, 2009.
Keywords [en]
Environmental machining, Productivity, Energy efficiency
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-1938ISBN: 978-0-9783187-2-7 (print)OAI: oai:DiVA.org:hv-1938DiVA, id: diva2:276221
Conference
16th CIRP International Conference on Life cycle Engineering, 4-6 May 2009
Projects
NFFP4Available from: 2012-06-27 Created: 2009-11-11 Last updated: 2016-02-09Bibliographically approved
In thesis
1. A study of process planning for metal cutting
Open this publication in new window or tab >>A study of process planning for metal cutting
2009 (English)Licentiate thesis, comprehensive summary (Other academic)
Alternative title[sv]
En studie av produktionsberedning för skärande bearbetning
Abstract [en]

Process planning as a function for competitiveness is often neglected. However, as an intermediary between product development and manufacturing, it holds a key function in transforming product specifications and requirements into a producible process plan. Demands and requirements should be met concurrently as manufacturing costs and lead times are minimised. The focus of this thesis is the act of process planning, where the use of better methodologies, computer-aids and performance measurements are essential parts. Since process planning has the function of transforming demands and requirements, changing customer and regulative requirements are vital to regard. Since environmentally benign products and production increases in importance, the research presented in this thesis includes a CNC machining cost model, which relates machining costs to energy consumption.  The presented results in this thesis are based on quantitative and qualitative studies in the metal working industry.

 

This thesis has contributed to an enhanced understanding of process planning to achieve better performance and important areas for improvements. Despite a 50 year history of computerised process planning aids, few of these are used in the industry, where manual process planning activities are more common. Process planning aids should be developed around the process planner so that non-value adding activities, such as information management and documentation are minimised in order to allow more resources for value adding activities, such as decision making. This thesis presents a study of systematic process planning in relation to perceived efficiency. This correlation could however not be verified, which opens up for further studies of other possible explanations for process planning efficiency. Process planning improvements in the industry are difficult to make, since there is little focus on process planning activities and limited knowledge about actual performance hereof. This means that measures taken regarding process planning development are difficult to verify.

Place, publisher, year, edition, pages
Göteborg: Chalmers Reproservice, 2009. p. 52
Series
Technical report (Department of Materials and Manufacturing Technology, Chalmers University of Technology), ISSN 1652-8891 ; 59
Keywords
Process planning, CAPP, CAM, efficiency, performance, green manufacturing, sustainable machining, CNC, Produktionsberedning, effektivitet, grön tillverkning
National Category
Production Engineering, Human Work Science and Ergonomics Production Engineering, Human Work Science and Ergonomics
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2147 (URN)
Presentation
2009-12-17, Gamma/delta, Hörsalsvägen 7, Chalmers, Göteborg, 10:00 (English)
Opponent
Supervisors
Projects
NFFP4
Available from: 2010-03-30 Created: 2010-01-19 Last updated: 2010-03-30Bibliographically approved

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