Abstract
Article history: Received March 14, 2014 Accepted July 25, 2014 Available online July 31 2014 Non-traditional machining (NTM) refers to a variety of thermal, chemical, electrical and mechanical material removal processes, developed to generate complex and intricate shapes in advanced engineering materials with high strength-to-weight ratio. Selection of the optimal NTM process for generating a desired feature on a given material requires the consideration of several factors among which the type of the work material and shape to be machined are the most significant ones. Presence of a large number of NTM processes along with their complex characteristics and capabilities, and lack of experts in NTM process selection domain compel for development of a structured approach for NTM process selection for a given machining application. Thus, the objective of this paper is set to develop a decision-making model in Visual BASIC 6.0 to automate the NTM process selection procedure with the help of graphical user interface and visual decision aids. It is also integrated with quality function deployment technique to correlate the customers’ requirements (product characteristics) with technical requirements (process characteristics). Four illustrative examples are also provided to demonstrate the potentiality of the developed model in solving NTM process selection problems. © 2014 Growing Science Ltd. All rights reserved.
Highlights
Non-traditional machining (NTM) processes are defined as a group of processes that remove excess material from the workpiece surface by various techniques, involving mechanical, thermal, electrical or chemical energy or combinations of these energies (Pandey & Shan, 1981)
Selection of the optimal NTM process for generating a desired feature on a given material requires the consideration of several factors among which the type of the work material and shape to be machined are the most significant ones
A decision-making model is developed while integrating quality function deployment for selecting the most suitable NTM process from a large number of available alternatives for generating a desired shape feature on a given work material
Summary
Non-traditional machining (NTM) processes are defined as a group of processes that remove excess material from the workpiece surface by various techniques, involving mechanical, thermal, electrical or chemical energy or combinations of these energies (Pandey & Shan, 1981) They do not use sharp cutting tools, as it needs to be used for conventional machining processes. A decision-making model is framed and developed in Visual BASIC 6.0 to automate the NTM process selection procedure for a specified work material and shape feature combination It is integrated with quality function deployment (QFD) technique to take into account the customers’ requirements (product characteristics) as well as technical requirements (process characteristics) for a given NTM process selection problem
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