Product Design for Manufacture and Assembly

Boothroyd, G.; Dewhurst, P.; Knight, W.A.

doi:10.1201/9781420089288

Cited by 334 publications

(325 citation statements)

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“…High filler loading (>60 wt%) is needed to provide the required electrical conductivity [2]. Whilst, many authors identified that injection molding is the most promising technology for manufacturing parts of conducting composite [3], because it has multiple advantages over other methods of plastic molding. Not only is plastic injection molding simpler and more reliable, it is also extremely efficient.…”

Section: Introductionmentioning

confidence: 99%

Effect of graphite sizes and carbon black content on flowability of the injection molded conductive composite material

et al. 2018

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This study is to investigate the flowability of the injection molded conductive composite material containing filler content from 70 up to 80 wt% by using spiral mold. Several moulding compounds, containing polypropylene (PP) as a matrix and graphite (G) and carbon black (CB) as conductive fillers prepared by melt compounding using twin-screw extruder. Carbon black is added as much as 10% and 20% respectively, in order to improve the electrical conductivity of composite material. Results show that the flowability of injection molded conductive composite material decreases with decreasing graphite size and with increasing filler (graphite and carbon black) content. It was found that composites containing G with particle size distribution (≤100 μm) entirely exhibits a relatively higher flowability, in the range of 10.67–6.21 cm, compared to the small size (25-60 μm), in which flowability is in the range of 5.23–3.37 cm. An attempt to combine carbon black as second filler with the PP and G found that composites containing CB showed decreased flowability of the injection molded conductive composite material, especially when the electrical conductivity formed through the resin. Results indicate that the flowability of the injection molded conductive composite material is an important design parameter to fabricate cost-effective, large, or thin composite bipolar plates.

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Section: Introductionmentioning

confidence: 99%

Effect of graphite sizes and carbon black content on flowability of the injection molded conductive composite material

et al. 2018

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“…Throughout the 1970-80s, traditional manufacturing processes (e.g. machining or casting) benefited from the introduction of Design for Manufacture and Assembly (DfMA) [10]. Since the emergence and proliferation of AM, research has tried to adapt the DfMA guidelines to accommodate AM processes; however, these have struggled to capture the integrated nature of designing parts for AM [11,12].…”

Section: Introductionmentioning

confidence: 99%

A generative multi-agent design methodology for additively manufactured parts inspired by termite nest building

2017

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The geometrical complexity available through additive manufacturing processes requires new tools to help designers maximise its advantages. A termite colony can construct highly complex nests that are optimised for thermoregulation and ventilation. The simple individual behaviour of these termites leads to highly intelligent colony behaviour, allowing nests to be simultaneously designed, optimised and produced. By mimicking termite behaviour, this research has led to a new design methodology using multi-agent algorithms that simultaneously design, structurally optimise and appraise the manufacturability of parts produced by additive manufacturing. A case study demonstrates the generative design of lightweight parts using the multi-agent system.

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“…An alternative is to expose students to STEM fields early and induce them to choose STEM careers. For example, 65% of scientists with advanced degrees developed their science interest before middle school [9]. However, in underserved populations, it is not necessarily lack of the awareness of STEM fields but the socio-economic barriers that prevent students from choosing STEM fields.…”

Section: Makingmentioning

confidence: 99%

“…Solutions for these students are social support in terms of counseling, nutrition, and after-school care and social services such as mental health and health care that are brought to the students [10]. While libraries and museums or informal science institutions are at the forefront for engagement in STEM [9], creating MakerSpaces and establishing STEM collaborations with schools [11], in the context of underserved populations and aforementioned barriers, they do not provide the support and social services. On the other hand, community centers play significant parts in the lives of the communities and offer educational, welfare, and social activities and services including access to informal STEM learning [12].…”

Section: Makingmentioning

confidence: 99%

“…This course simulates design, analysis and prototyping cycle currently used in product design and development 5,6,9,12,13 . The course is designed for non-engineering majors as an introduction and survey of rapid-prototyping, especially centered on the advent, impact, and utility of 3D printers and supporting digital technology: computer-aided design (CAD) and computer-aided manufacturing (CAM) software.…”

Section: Changing World Of 3d Printing and Rapid Prototypingmentioning

confidence: 99%

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Board # 122 : MAKER: A New Course on the Changing World of 3D Printing and Prototyping for Non-Engineers

Ertekin¹,

Mauk²

2017 ASEE Annual Conference &Amp; Exposition Proceedings

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a project engineer, he received dual MS degrees in engineering management and mechanical engineering from Missouri University of Science and Technology (MS&T), formerly the University of Missouri-Rolla. He worked for Toyota Motor Corporation as a quality assurance engineer for two years and lived in Toyota City, Japan. He received his Ph.D. in mechanical engineering from MS&T in 1999 while he worked as a quality engineer for Lumbee Enterprises in St. Louis, Missouri. His first teaching position was at the architectural and manufacturing Sciences department of Western Kentucky University. He was a faculty at Trine University teaching mainly graduate courses as well as undergraduate courses in engineering technology and mechanical engineering departments. He is currently teaching in Engineering Technology Program at Drexel University. His area of expertise is in CAD/CAM, Computer Numerical Control (CNC) machining, rapid prototyping and quality control. His research interest includes sensor based condition monitoring of CNC machining, machine tool accuracy characterization and enhancement, non-invasive surgical tool design, reverse engineering and bio materials.

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Product Design for Manufacture and Assembly

Cited by 334 publications

References 0 publications

Effect of graphite sizes and carbon black content on flowability of the injection molded conductive composite material

Effect of graphite sizes and carbon black content on flowability of the injection molded conductive composite material

A generative multi-agent design methodology for additively manufactured parts inspired by termite nest building

Board # 122 : MAKER: A New Course on the Changing World of 3D Printing and Prototyping for Non-Engineers

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