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Article
Publication date: 7 August 2017

Long Wu, Kit-Lun Yick, Joanne Yip and Sun-Pui Ng

One of the crucial steps in the molded bra production is the process of developing the mold head. The purpose of this paper is to determine the final cups style and size…

Abstract

Purpose

One of the crucial steps in the molded bra production is the process of developing the mold head. The purpose of this paper is to determine the final cups style and size. Compared with traditional development process of the mold head, less time-consuming and a more quantitative method is needed for the design and modification of the mold head.

Design/methodology/approach

A three-dimensional (3D) numerical model for the simulation of large compressive deformation was built in this paper to research the foam bra cup molding process. Since the head cones have more representative than the mold heads, the male and female head cones were used in the simulation. All of the solid shapes are modeled by using 3D Solid 164 elements as well as an automatic surface-to-surface contact between head cones.

Findings

Simulation of the foam cup molding process is conducted by inputting different properties of the foam material and stress-strain curves under different molding temperatures.

Research limitations/implications

In order to simulate the laminated foam moulding process, heat transfer through a layered textile assembly can be studied by using the thermo-mechanical coupled FE model.

Practical implications

According to the different foam performance parameters under different temperatures along with different head cone shapes, distribution and variation in the stress field can be obtained as well as the ultimate capacity of foam materials.

Social implications

A computer-aided parametric design system for the mold heads provides an effective solution to improving the development process of mold heads.

Originality/value

The distribution and variation in the stress fields can be analyzed through simulation, providing a reference for the mold head design.

Details

International Journal of Clothing Science and Technology, vol. 29 no. 4
Type: Research Article
ISSN: 0955-6222

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Article
Publication date: 1 March 1998

A. Bandyopadhyay, R.K. Panda, T.F. McNulty, F. Mohammadi, S.C. Danforth and A. Safari

Reviews the inherent advantages, i.e. design flexibility and processing, of manufacturing piezoelectric ceramics and composites with numerous architectures via rapid…

Abstract

Reviews the inherent advantages, i.e. design flexibility and processing, of manufacturing piezoelectric ceramics and composites with numerous architectures via rapid prototyping techniques. Reports on processing in which piezoelectric ceramics and composites with novel and conventional designs were fabricated using rapid prototyping techniques. Fused deposition of ceramics, fused deposition modeling, and Sanders prototyping techniques were used to fabricate lead‐zirconate‐titanate ceramics and ceramic/polymer composites via, first, direct fabrication and, second, indirect fabrication using either lost mold or soft tooling techniques.

Details

Rapid Prototyping Journal, vol. 4 no. 1
Type: Research Article
ISSN: 1355-2546

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Article
Publication date: 1 April 2001

Anna Kochan

Reports on new automation technology for the tyre industry. Describes a laser process for the in‐press cleaning of tyre moulds. Outlines the potential for massive savings…

Abstract

Reports on new automation technology for the tyre industry. Describes a laser process for the in‐press cleaning of tyre moulds. Outlines the potential for massive savings compared to conventional systems.

Details

Industrial Robot: An International Journal, vol. 28 no. 2
Type: Research Article
ISSN: 0143-991X

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Article
Publication date: 1 March 1970

This is indeed the age of revolution, when timeless attitudes are changing and new ways of living being born. To most it is a bewildering complex, with uneasy forbodirtgs…

Abstract

This is indeed the age of revolution, when timeless attitudes are changing and new ways of living being born. To most it is a bewildering complex, with uneasy forbodirtgs of the outcome. Improvement and change, there must always be—although change is not necessarily progress—but with unrest in the schools, universities and industry, one naturally questions if this is the right time for such sweeping reorganization as now seems certain to take place in local government and in the structure of the national health service. These services have so far escaped the destructive influences working havoc in other spheres. Area health boards to administer all branches of the national health service, including those which the National Health Service Act, 1946 allowed local health authorities to retain, were recommended by the Porritt Committee a number of years ago, when it reviewed the working of the service.

Details

British Food Journal, vol. 72 no. 3
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 1 December 2001

Vojin Jovanovic, Souran Manoochehri and Constantin Chassapis

A simplified approach for estimating weld lines, vent locations and fill times for resin transfer molding applications in non‐planar geometry is presented. The molding

Abstract

A simplified approach for estimating weld lines, vent locations and fill times for resin transfer molding applications in non‐planar geometry is presented. The molding parts are treated as polyhedral spaces for which the concept of Voronoi diagram and shortest paths is utilized to predict the formation of weld lines, location of vents and filling times. The approach is based purely on geometrical considerations and on previously established observations that it is possible to treat the resin flow inside the mold as partly radial and partly channel‐like. The proposed procedure is geared towards software implementation, but it enables one to gain more insight into the process before detailed and time‐consuming calculations are attempted.

Details

Engineering Computations, vol. 18 no. 8
Type: Research Article
ISSN: 0264-4401

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Article
Publication date: 1 March 1973

The brief announcement that the Government had accepted that there should be regulations on open date marking of food, to come into effect in 1975, will come as no…

Abstract

The brief announcement that the Government had accepted that there should be regulations on open date marking of food, to come into effect in 1975, will come as no surprise. It is a timely reminder of what public pressure can achieve these days; how sustained advocacy and publicity by interested sectors of society—magistrates, local authorities, public health workers, consumer groups—can secure legislative changes which, in this case, run counter to trade opinions and the recommendation originally made by the Food Standards Committee that such a proposal was not practical and the existing law was an adequate protection. This was stated in the FSC Report on Food Labelling of 1964, although there was no indication of the evidence reviewed or that the subject had been considered very deeply; it was, after all, only a small fraction of the problem of food labelling control. It was also stated in this Report that in certain cases, date‐stamping of food could give to purchasers a false sense of security, “not justified by the conditions under which the food has been kept since manufacture”.

Details

British Food Journal, vol. 75 no. 3
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 1 April 1992

JAROSLAV MACKERLE

This bibliography is offered as a practical guide to published papers, conference proceedings papers and theses/dissertations on the finite element (FE) and boundary…

Abstract

This bibliography is offered as a practical guide to published papers, conference proceedings papers and theses/dissertations on the finite element (FE) and boundary element (BE) applications in different fields of biomechanics between 1976 and 1991. The aim of this paper is to help the users of FE and BE techniques to get better value from a large collection of papers on the subjects. Categories in biomechanics included in this survey are: orthopaedic mechanics, dental mechanics, cardiovascular mechanics, soft tissue mechanics, biological flow, impact injury, and other fields of applications. More than 900 references are listed.

Details

Engineering Computations, vol. 9 no. 4
Type: Research Article
ISSN: 0264-4401

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Article
Publication date: 29 July 2021

Abdallah Ali Abdallah

This study aims to help quality professionals in following a precise framework that maintains a company’s performance during health pandemics. In many companies, all…

Abstract

Purpose

This study aims to help quality professionals in following a precise framework that maintains a company’s performance during health pandemics. In many companies, all quality methods seem to produce performance improvement at different levels, but lean management and kaizen were superior in preparing manufacturing companies to have high readiness levels when faced with a health pandemic.

Design/methodology/approach

Which quality method can help businesses in performing well during a health pandemic? In order to answer this question and be able to provide specific recommendations toward performing well in all future health pandemics, 500 manufacturing companies were selected and surveyed. The selected companies are known to use at least one quality method such as lean management, ISO 9001, European foundation for quality management (EFQM) and Six Sigma.

Findings

EFQM comes second, then Six Sigma and ISO 9001. Lean creates a healthy workplace and enhances worker's health and well-being. This research helps quality professionals in following a precise framework that maintains performance during health pandemics. Whether the company uses lean or other quality methods, the framework helps in achieving pandemic readiness status. The framework is implemented in a company that does not currently use lean. Implementation resulted in significant improvement in pandemic preparedness, corporate performance and employee well-being.

Originality/value

After the coronavirus disease 2019 (COVID-19) pandemic, all companies should start thinking of creating a workplace that functions well during pandemics. To do that, companies should start including sanitation and health pandemic preparedness as part of their performance measurements. Using lean management and kaizen helps organizations to create a healthy workplace; clean and equipped with smaller number of workers. If organizations choose to use other quality methods, it is okay, but they should enhance these methods with lean tools such as elimination of the seven wastes, gemba, 5S and visual management.

Details

Business Process Management Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1463-7154

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Article
Publication date: 1 March 2006

Carroll Grant

This paper provides a general review of automated processing methods currently being used to fabricate aircraft composite structure.

Abstract

Purpose

This paper provides a general review of automated processing methods currently being used to fabricate aircraft composite structure.

Design/methodology/approach

Presents a description of the Automated Tape Layer (ATL) process and the Fiber Placement (FP) process. These processes are the most “automated” of all processes being used to fabricate composite aircraft structure. Fiber Placement machines and Automated Tape Layers are composites machine tools and they are the closest comparison the composites industry has to metals machining equipment.

Findings

There is a need for more variety of composites automation and more affordable machines in the aerospace composites industry. The limited variety of automation and the cost of equipment tend to limit the spread of automation throughout the aerospace composites industry. ATL and FP are composites laminating technologies that could be adapted to a wide range of machine sizes, configurations, and price ranges.

Originality/value

More widespread use of automated processes in composites would tend to lower the cost of composite aircraft structure on a global basis.

Details

Industrial Robot: An International Journal, vol. 33 no. 2
Type: Research Article
ISSN: 0143-991X

Keywords

Content available
Article
Publication date: 1 May 2009

Abstract

Details

Industrial Robot: An International Journal, vol. 36 no. 3
Type: Research Article
ISSN: 0143-991X

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