• Title, Summary, Keyword: By-product

Search Result 17,916, Processing Time 0.08 seconds

An Analysis of the Twisting and Bending Extrusion Process of the Product with the Rectangular Section by the $ DEFORM^{TM}$-3D (사각단면을 가진 압출제품의 비틀림굽힘 압출가공법에 대한$ DEFORM^{TM}$-3D 해석)

  • 윤선홍
    • Proceedings of the Korean Society for Technology of Plasticity Conference
    • /
    • /
    • pp.115-118
    • /
    • 1999
  • The twisting and bending extrusion process is developed by the $DEFORM^TM$-3D. Because the rectangular section of the extruded product has the symmetry line of cross-section area, the twisting and the bending of extruded product has not occurred. The product with the rectangular section is applied to the twisting and bending extrusion process through the twisted die surface and eccentricity die section. It is shown that the twisting of extruded product is caused by the twisted die surfaces and the bending of extruded product is causd by the eccentricity between the die section. The results by the analysis show that the twisting angle and the curvature of extruded products increases by the die twisting angle, the eccentricity, but decreases by the die length, and friction condition

  • PDF

Approximate Life Cycle Assessment of Product Concepts Using Multiple Regression Analysis and Artificial Neural Networks

  • Park, Ji-Hyung;Seo, Kwang-Kyu
    • Journal of Mechanical Science and Technology
    • /
    • v.17 no.12
    • /
    • pp.1969-1976
    • /
    • 2003
  • In the early phases of the product life cycle, Life Cycle Assessment (LCA) is recently used to support the decision-making for the product concepts, and the best alternative can be selected based on its estimated LCA and benefits. Both the lack of detailed information and time for a full LCA for a various range of design concepts need a new approach for the environmental analysis. This paper explores a new approximate LCA methodology for the product concepts by grouping products according to their environmental characteristics and by mapping product attributes into environmental impact driver (EID) index. The relationship is statistically verified by exploring the correlation between total impact indicator and energy impact category. Then, a neural network approach is developed to predict an approximate LCA of grouping products in conceptual design. Trained learning algorithms for the known characteristics of existing products will quickly give the result of LCA for newly designed products. The training is generalized by using product attributes for an EID in a group as well as another product attributes for the other EIDs in other groups. The neural network model with back propagation algorithm is used, and the results are compared with those of multiple regression analysis. The proposed approach does not replace the full LCA but it would give some useful guidelines for the design of environmentally conscious products in conceptual design phase.

Study on the Concept of Medical Supplies in the Product Liability Law (제조물책임법상 제조물로서의 의약품의 개념)

  • Jeon, Byeong-Nam
    • The Korean Society of Law and Medicine
    • /
    • v.7 no.2
    • /
    • pp.331-364
    • /
    • 2006
  • Medical supplies have contradiction of efficacy and side effect to the various diseases together. Therefore, people have tried to reduce the side effects and also provide various methods to cope with any damages from the medicine quickly. In the case of accidents by medical supplies, the victim can be protected with advantage by the Product Liability Law rather than the Torts. The limit of Product Liability Law's application depends on whether medical supplies belong to the product or not. According to Product Liability Law, the product should be processed. Therefore, medical supplied should be processed to be the category of product. It can be said that the medical supplies in pharmacy, Chinese medicine, medical herbs, biological medicine manufactures, blood manufactured medicine, cord blood, hemopoietic progenitior cell and stem cell belongs to the manufactured products. The mixture by the prescription of doctor or preparation of pharmacist can be recognized as the product because prescription or preparation is a manufacturing act. Therefore, applying Product Liability Law to manufacturer, doctor or pharmacist would achieve the goal which is protecting the victims extensively.

  • PDF

Strengthening Risk Evaluation in Existing Risk Diagnosis Method

  • Wong, Shui Yee;Chin, Kwai Sang;Tang, Dawei
    • Industrial Engineering and Management Systems
    • /
    • v.9 no.1
    • /
    • pp.41-53
    • /
    • 2010
  • An existing risk diagnosing methodology (RDM) diagnoses corporate risk for product-innovation projects. However, it cannot evaluate and compare the risk levels of multiple alternatives in the product development stage. This paper proposes a modified risk diagnosis method to fill the gap of risk evaluation in selections of innovative product alternatives and the application of the method will be also illustrated by a case problem on alternative selections in electrical dimmer designs. With RDM as the foundation, a modified RDM (MRDM) is proposed to deal with the problem of selecting innovative project alternatives during the early stages of product development. The Bayesian network; a probabilistic graphical model, is adopted to support the risk pre-assessment stage in the MRDM. The MRDM is proposed by incorporating the risk pre-assessment stage into the foundation. By evaluating the engineering design risks in two electrical dimmer switches, an application of the MRDM in product innovation development is successfully exemplified. This paper strengthens the existing methodology for RDM in innovative product development projects to accommodate innovative alternatives. It is advantageous for companies to identify and measure the risks associated in product development so as to plan for appropriate risk mitigation strategies.

A Study on the Fashion Product Description Appeal Type, the Direction and Type of Consumer Replies on Online Shopping Mall (온라인 쇼핑몰 패션 제품 설명 소구 유형과 댓글의 방향성.유형에 관한 연구)

  • Kim, Bo-Kyung;Kim, Mi-Sook
    • The Research Journal of the Costume Culture
    • /
    • v.18 no.3
    • /
    • pp.408-422
    • /
    • 2010
  • The purposes of this study is to investigate the attitudes and value of fashion product description and consumer replies used in online shopping malls, and to examine the differences in the perceived reliability(objectivity, expertise, trustworthiness) preference and purchase intention toward the product as determined by the appeal type (evaluation-sentimental vs. factual-information) of the product description, the direction(negative vs. positive) and type(factual vs. evaluative) of consumer replies for the product in online shopping malls. Data was collected from female college students with fashion products purchase experience at online shopping malls by questionnaire survey (N=424) and analyzed by using frequency analysis, t-test and ANOVA. Results showed that consumers respondents tended to read product description and other consumer replies before purchasing, when shopping for fashion products through an on-line shopping mall. They thought that sellers' product description and the consumers' replies were helpful in making their decision; but, they were also skeptical about product description. Respondents showed higher perceived reliability, preference and purchase intention to the factual-information type product description than the evaluation-sentimental type. Positive consumer replies were more effective in yielding higher preferences and purchase intentions. Factual replies tend to yield higher reliability than evaluative replies.

A Study on the Effects of Market and Technological Orientation of Manufacturing Companies upon Absorptive Capacities and Product Development Performance (제조기업의 시장지향성과 기술지향성이 흡수능력 및 제품개발성과에 미치는 영향에 관한 연구)

  • Na, Sang Gyun;Tian, Chen
    • Journal of the Korea Safety Management and Science
    • /
    • v.16 no.4
    • /
    • pp.263-274
    • /
    • 2014
  • The present study is aimed at examining in multilateral ways the structural relationship among technological orientation, market orientation and product development performance of manufacturing companies, which are deemed to be key factors for them to increase absorptive capacities. From the study, it was revealed that: First, in terms of the relationship between market orientation and absorptive capacities, it was made clear by the analysis that the market orientation sought after by manufacturing companies has influence upon their absorptive capacities. Second, with regard to the relationship between technological orientation and absorptive capacities of manufacturing companies, the analysis found that the technological orientation pursued by them affects their absorptive capacities. Third, as for the relationship between absorptive capacities and product development performance, the analysis made it clear that the absorptive capacities of manufacturing companies exerts influence upon their product development performance. Fourth, in respect to the relationship between market orientation and product development performance, it was concluded from the analysis that market orientation produces effect upon product development performances like technological innovation and acquisition of new technologies needed for product development. Finally, regarding the relationship between technological orientation and product development performance of manufacturing companies, it became obvious from the analysis that the technological orientation affects the product development performance.

Chinese Consumers' Purchase Intention of the Goods inside Korean TV Dramas Product Placement (중국 소비자의 한국 TV드라마 속 간접광고 상품에 대한 구매의도)

  • Cui, Ming;Lee, Seung Sin
    • Family and Environment Research
    • /
    • v.53 no.4
    • /
    • pp.341-350
    • /
    • 2015
  • This study explored the determinant variables influence of Chinese consumers' purchase intention towards products featured in Korean TV dramas vis-$\grave{a}$-vis product placement (PPL). We invited 248 Chinese adult consumers who had watched Korean TV dramas in last twelve months to participate in this survey. Data analyses were conducted by Cronbach's ${\alpha}$ reliability test, confirmatory factor analysis, t -test, analysis of variance and hierarchical multiple regression with SPSS ver. 21.0 and AMOS ver. 21.0. We chose PPL effects, product quality perceptions, and product trust as main independent variables. The empirical analysis results demonstrate that female (versus male) and frequency of (or longer time) watching dramas resulted in higher perceived consumer PPL effects, product quality, trust and purchase intention. The positive effects of the product quality and product trust on purchase intentions were confirmed. There are additional mediation effects of product quality perceptions and trust on the relationship between consumer demographic characteristics (gender), TV drama watching conditions (frequency and time) and purchase intention. This research can help Korean corporations produce effective advertising by indicating how PPL affects Chinese consumer consumption behavior. The results are useful for the Chinese government and consumer organizations to improve the domestic consumption environment by developing effective TV drama PPL policies.

Relation of Deformation between Die and Product in Backward extrusion (후방압출 공정에서 금형과 제품의 변형관계)

  • 박태식
    • Proceedings of the Korean Society for Technology of Plasticity Conference
    • /
    • /
    • pp.83-87
    • /
    • 2000
  • The die for cold forging gets a ver high axial load and radial pressure during processing and hence deforms considerably in the radial direction. This radial deformation of die becomes a important factor influencing the dimensional accuracy of a product. In order to obtain a product with highly accurate dimension therefore it is essential to acquire some information on elastic deformation of the die and the product. The study has been performed for the relation of the deformation between a die and a product in backward extrusion. The strain of the die has been given by the simple experiment using the strain gauges attached to the outer surface of the die. Also the history of the deformation of the die and the product has been given by the experiment and Lames' formula. The results has been compared with the previous another method. The study has given useful results for the deformation history of the die and the product through the experiment and Lame's formula in backward extrusion which can be applied in the die design for the product with accurate dimension

  • PDF

The Role of Online Product Information in the Relationship between Quality, Preference and Customer's Purchase Intention (품질, 취향 및 소비자 구매 의도 간의 관계에 있어 온라인 상품 정보의 역할)

  • Lee, Jung;Lee, Jae-Nam
    • Journal of Information Technology Services
    • /
    • v.8 no.2
    • /
    • pp.205-228
    • /
    • 2009
  • This paper examines how online product information changes the customers' purchase intentions from subjectivity-objectivity dichotomy perspective. Quality and Preference are proposed as product evaluation criteria and their marginal changes with product information differentiation are hypothesized. An experimental survey was conducted to 57 subjects and the hypotheses were partially supported through PLS path comparison method. The study contributes to IS research by proposing a simple and effective product evaluation framework and by abstracting the impact of product information from other factors. Finally, we suggest the utilization of product information with the optimization of the cost-benefit structure between information and purchase intention.

CPC Framework for Sharing Product Information Across Enterprises (기업간 제품정보 공유를 위한 협업적 제품거래 프레임워크)

  • Kim, H.;Kim, H.S.;Lee, J.H.;Jung, J.M.;Do, N.C.;Lee, J.Y.
    • Korean Journal of Computational Design and Engineering
    • /
    • v.8 no.4
    • /
    • pp.201-211
    • /
    • 2003
  • Collaborative product commerce (CPC) is a newly emerging technology to support inter-enterprise collaboration through the product life-cycle. From the IT point of view, CPC is software technology to integrate product, process and resources of different enterprises using Web technologies. In this paper, we introduce a CPC framework for integrating product information across enterprises, which being developed as a part of the CPC project by ETRI. The product metadata represented by XML schema, which is compatible with ISO STEP PDM Schema standard, is presented to semantically and schematically integrate distributed product information. The web services technologies are discussed to support the interoperability of application systems related to the product development, such as CAD and PDM, where most of these applications run in a distributed environment. Finally, we implement the frame-work to integrate distributed product information.