Imrak, Erdem C.

Salman, Özlem

English

DSpace at VSB Technical University of Ostrava

1 Sborník vědeckých prací Vysoké školy báňské - Technické univerzity Ostrava číslo 3, rok 2009, ročník Ul, řada hutnická, článek č. 1539 C. Erdem iMRAK1 , Ózlem SALMAN2 AN APPLICA TION OF REVERSE ENGINEERING IN CONCURENT ENGINEERING APLIKACE ZPĚTNÉHO INŽENÝRSTVÍ V SOVBĚŽNÉM INŽENÝRSTVÍ Istanbul Technical University; Istanbul, Turkey, imrak@itu.edu.tr Istanbul Technical University; Istanbul, Turkey, ozlemsalman@jtu.edu.tr Abstract The reverse engineering, which is one of the research development works at the companies provides decreasing product development time. Thus, products can be developed faster, cheaper, and more qualified. It has been commonly needed in product development process due to all of these reasons. In this study, reverse engineering procedure consisting of six stages, and used hardware and software are given with an illustrative example, and compared with traditional one. Key words: design, reverse engineering, 3D scan 1. IntroductionReverse engineering is a procedure for re-manufacturing or developing an object by analysingthe entire manufacturing process and collecting the design knowledge of existing part or assembly. Reverse engineering is also considered as a method which has various legal use in product development. The term "reverse" used here comes from bidirectional data transfer between digital media and actual status [ l]. Data of scanned objects are transferred to the CAD environment before manufacturing analysis and adjustment design process takes shorter time compared to traditional method. Some manufacturers generally need CAD data of parts or components included in new products. This necessity may be various reasons. ln this study, reverse engineering procedure has been discussed to get CAD data part of a machine, and an illustrative example modelling has been done by using reverse engineering software to explain the subject. 2. Reverse engineering procedureReverse engineering is needed in product development procedure reasons described asfollows. Limited research concerning reverse engineering has been done in literature. Reverse engineering procedure is discussed in detail studies that have been done [1-6]. Usage of reverse engineering is inevitable in cases of the manufacturer intending to re-manufacture a part that has not been manufactured in a Jong time; having insufficient original design data or the original design data getting lost or being inexistent; original manufacturer not being able to meet the demand of the customer at the moment, or original manufacturer overpricing. ln addition to these reverse engineering procedure can also be employed when the need of re­design for eliminating the negative features of product, a requirement to strengthen the positive features in order to Jengthen the lifetime of product or want to analyse positive and negative features of rival products and development of better competition based comparison methods arise. Another case of the usage of reverse engineering is when old parts or manufacturing methods are to be replaced with more current, cost effective counterparts, or when the old CAD model is inadequate for updates or current manufacturing methods. 85 !" l .,;i:./f. II ,t 

Aplikace zpětného inženýrství v souběžném inženýrství

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Aplikace zpětného inženýrství v souběžném inženýrství

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