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Open Access
Article
Publication date: 14 June 2021

Vennan Sibanda, Khumbulani Mpofu and John Trimble

In manufacturing, dedicated machine tools and flexible machine tools are failing to satisfy the ever-changing manufacturing demands of short life cycles and dynamic nature of…

1917

Abstract

Purpose

In manufacturing, dedicated machine tools and flexible machine tools are failing to satisfy the ever-changing manufacturing demands of short life cycles and dynamic nature of products. These machines are limited when new product designs are introduced. The solution lies in developing responsive machines that can be adjusted or be changed functionally when these change requirements arise. These machines are reconfigurable machines which are becoming the new focus, as they rapidly respond to product variety and volume changes. A sheet metal working machine known as a reconfigurable guillotine shear and bending press machine (RGS&BPM) has been developed. The purpose of this paper is to present a methodology, function-oriented design approach (FODA), which was developed for the design of the RGS&BPM.

Design/methodology/approach

The design of the machine is based on the six principles of reconfigurable manufacturing systems (RMSs), namely, modularity, scalability integrability, convertibility, diagnosability and customisability. The methodology seeks to optimise the design process of the RGS&BPM through a design of modules that make up the machine, enable its conversion and reconfiguration. The FODA is focussed on function identification to select the operational function required. Two main functions are recognised for the machine, these being cutting and bending; hence, the design revolves around these two and reconfigurability.

Findings

The developed design methodology was tested in the design of a prototype for the reconfigurable guillotine shear and bending press machine. The prototype is currently being manufactured and will be subjected to functional tests once completed. This paper is being presented not only to present the methodology by to show and highlight its practical applicability, as the prototype manufacturers have been enthusiastic about this new approach.

Research limitations/implications

The research was limited to the design methodology for the RGS&BPM, the machine which has been designed to completion using this methodology, with prototype being manufactured.

Practical implications

This study presents critical steps and considerations in the development of reconfigurable machines. The main thrust being to explore the best possibility of developing the machines with dual functionality that will assist in availing the technology to manufacturer. As the machine has been development, the success of the design can be directly attributed to the FODA methodology, among other contributing factors. It also highlights the significance of the principles of RMS in reconfigurable machine design.

Social implications

The RGS&BM machine is an answer for the small-to-medium enterprises (SMEs), as the machine replaces two machines with one, and the methodology ensures its affordable design. It contributes immensely to the machine availability by eliminating trial and error approaches.

Originality/value

This study presents a new approach to the design of reconfigurable dual machines using principles of RMS. As the targeted market is the SME, it is not limited to that as any entrepreneur may use the machine to their advantage. The design methodology presented contributes to the body of knowledge in dual reconfigurable machine tool design.

Details

Journal of Engineering, Design and Technology , vol. 19 no. 6
Type: Research Article
ISSN: 1726-0531

Keywords

Content available
Book part
Publication date: 31 October 2017

Abstract

Details

Global and Culturally Diverse Leaders and Leadership
Type: Book
ISBN: 978-1-78743-495-0

Content available
Book part
Publication date: 12 November 2018

Catherine McGlynn and Shaun McDaid

Abstract

Details

Radicalisation and Counter-Radicalisation in Higher Education
Type: Book
ISBN: 978-1-78756-005-5

Open Access
Article
Publication date: 5 April 2021

Vitor Koki da Costa Nogami and Andres Rodriguez Veloso

The purpose of this paper is to explore the different concepts of innovation in the subsistence marketplace from top-down and bottom-up approaches. This study analyzes the…

1932

Abstract

Purpose

The purpose of this paper is to explore the different concepts of innovation in the subsistence marketplace from top-down and bottom-up approaches. This study analyzes the literature on the theme and identified research gaps by constructing a framework based on approaches and innovation concepts, which can guide future research efforts. Additionally, this paper presents two case studies, which can improve the way innovation is developed and diffused in the subsistence marketplace.

Design/methodology/approach

Through a literature review, this study develops a framework by analyzing innovation concepts in the subsistence marketplace (i.e. base of the pyramid innovation, disruptive innovation, frugal innovation, reverse innovation and inclusive innovation) in light of subsistence marketplace approaches (top-down and bottom-up).

Findings

The analysis showed critical research gaps, especially a lack of studies involving disruptive and frugal innovations from a bottom-up approach. This paper also concludes that the top-down approach is more common than the bottom-up one. To fill these gaps, this study presents two business plans by illustrating disruptive innovation vs bottom-up approach and frugal innovation vs bottom-up approach.

Originality/value

The use of real business plans to illustrate proposals having an actual impact on subsistence marketplace regions sheds light on how to address these challenges. By doing so, this paper intends to fill the theoretical gap in disruptive and frugal innovations within a bottom-up approach to promote the development and diffusion of different types of innovation in the subsistence marketplace, and thus provide solutions to alleviate poverty.

Details

Innovation & Management Review, vol. 18 no. 1
Type: Research Article
ISSN: 2515-8961

Keywords

Open Access
Article
Publication date: 22 February 2011

John E. Berg

Depression is a usual comorbidity in patients with Parkinson's disease. It has been known for more than 50 years that electroconvulsive treatment (ECT) has a positive effect on…

Abstract

Depression is a usual comorbidity in patients with Parkinson's disease. It has been known for more than 50 years that electroconvulsive treatment (ECT) has a positive effect on the muscular symptoms of Parkinson's disease. Many countries do not allow giving ECT for this indication. We have recently treated a resident patient in an acute psychiatric facility referred to the hospital with moderate depressive symptoms and strong suicidal ideation. Before and after a series of ECT he filled out the Beck Depression Inventory and the Antonovsky Sense of Coherence test. The scores before ECT were 20 and 2.69, respectively, and after 12 treatments 14 and 3.38. Both test results indicate improvement regarding level of depression and coping in life. The physiotherapists treating him observed that his rigidity was reduced and his gait improved. Muscular tonus was reduced and increased his tendency of falling as he had less tonus in muscles close to joints. Self help efficiency in daily tasks improved. He got cognitive impairment during and in the weeks after ECT. Electroconvulsive treatment should be offered to more patients with Parkinson disease and depression in order to lessen the burden of both depression and Parkinson symptoms.

Details

Mental Illness, vol. 3 no. 1
Type: Research Article
ISSN: 2036-7465

Keywords

Content available
Article
Publication date: 1 March 2010

Jacqueline Scerbinski

College interns often possess information-age skills that are not familiar to workers who have been on the job for several years. Interns may be future sources for new employees…

1171

Abstract

College interns often possess information-age skills that are not familiar to workers who have been on the job for several years. Interns may be future sources for new employees. There is also the added benefit of observing and evaluating an intern for future consideration, as a full-time employee, after graduation. Giving junior employees the opportunity to supervise interns is also a way of evaluating the junior employees℉ potential as a supervisor. The employment of college interns should be a mutually beneficial endeavor. As with all successful endeavors, the employment of interns requires planning and supervision.

Details

New England Journal of Entrepreneurship, vol. 13 no. 1
Type: Research Article
ISSN: 2574-8904

Keywords

Content available

Abstract

Details

Policing: An International Journal of Police Strategies & Management, vol. 36 no. 1
Type: Research Article
ISSN: 1363-951X

Content available
Book part
Publication date: 30 March 2016

Abstract

Details

Emerging Directions in Doctoral Education
Type: Book
ISBN: 978-1-78560-135-4

Content available
Book part
Publication date: 2 August 2023

Susana Tosca

Abstract

Details

Sameness and Repetition in Contemporary Media Culture
Type: Book
ISBN: 978-1-80455-955-0

Content available
Book part
Publication date: 29 October 2018

Abstract

Details

The Work-Family Interface: Spillover, Complications, and Challenges
Type: Book
ISBN: 978-1-78769-112-4

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