In laboratory work and working with Biotage’s Selekt Enkel chromatography system, it is common that operators are exposed to harmful and bad-smelling solvents gases. These are common issues that Biotage wants the students to solve. For this thesis work, the mission and task is to propose the best possible design of a Fume Cover that can remove or at least reduce those certain issues. To understand and gain the necessary knowledge, different data-gathering methods like workshops with staff and an extensive literature study of solvents and materials helped to establish a good design framework. Three concepts were built as 3D – models. The concept of Pugh’s iterative improvement method was used to produce an even better concept than the previous three. The chosen concept was iteratively improved for manufacturing and tested in an airflow experiment with carbon dioxide ice determining the optimal design. The conclusion is that it is possible to design a fume cover to reduce the solvent gas exposure, but further testing with light solvent gases and redesign will be required.

Im Rahmen dieser Arbeit wurden InSb- und verdünnt-magnetische In_{1-x}Mn_xSb Filme mittels Gasquellen-Molekularstrahlepitaxie hergestellt und deren strukturelle und elektronische Eigenschaften untersucht. Die 2 μm InSb-Dünnschichten wurden sowohl auf GaAs(001)-Substrat als auch um 4° in Richtung [110] fehlgeschnittenem Si(001)-Substrat hergestellt. Optimierte InSb-Schichten direkt auf GaAs zeigen eine hohe kristalline Qualität, niedriges Rauschen und eine Elektronenbeweglichkeit von 41100 cm^2/Vs bei 300 K. Die Ladungsträgerkonzentration beträgt etwa 2,9e16 cm^{-3}. Um InSb-Dünnschichten guter Qualität auf Si-Substrat zu realisieren, wurden fehlgeschnittene Substrate benutzt. Zur Reduzierung der Gitterfehlanpassung wurden Pufferschichten gewachsen. Eine Elektronenmobilität von 24000 cm^2/Vs und Ladungsträgerkonzentration von 2,6e16 cm^{-3} wurden bei 300 K nachgewiesen. Diese Probe enthält ein 0,06 μm GaAs/AlSb-Supergitter als Pufferschicht (Wachstumstemperatur war 340°C). Diese Probe zeigt der höheren Dichte der Microtwins und Stapelfehler als auch den Threading-Versetzungen in der schnittstellennahen Region geschuldet. Die Deep-Level Rauschspektren zeigen die Existenz von Deep-Levels sowohl in GaAs- als auch in Si-basierten Proben. Die InSb-Filme auf Si-Substrat zeigen einen kleineren Hooge-Faktor im Vergleich zu Schichten auf GaAs (300 K). Unter Anwendung der optimierten Wachstumsbedingungen für InSb/GaAs wurden verdünnt-magnetische In_{1-x}Mn_xSb-Schichten (bis zum 1% Mangan) auf GaAs (001)-realisiert. Mn verringert die Gitterkonstante und damit den Grad der Relaxation von (In,Mn)Sb-Filmen. In den Proben befindet sich Mn in zwei magnetischen Formen, sowohl als verdünnt-magnetischer Halbleiter (In,Mn)Sb, als auch als MnSb-Cluster. Die Cluster dominieren auf der Oberfläche. Die Curie-Temperatur, Tc, unterscheidet sich für die beiden Formen. Für (In,Mn)Sb ist Tc kleiner als 50 K. Die MnSb-Cluster zeigen dagegen ein Tc über 300 K. / This dissertation describes the growth by molecular beam epitaxy and the characterization of the semiconductor InSb and the diluted magnetic semiconductor (DMS) In_{1-x}Mn_xSb. The 2 µm-thick InSb films were grown on GaAs (001) substrate and Si (001) offcut by 4° toward (110) substrate. After optimizing the growth conditions, the best InSb films grown directly on GaAs results in a high crystal quality, low noise, and an electron mobility of 41100 cm^2/V s Vs with associated electron concentration of 2.9e16 cm^{-3} at 300 K. In order to successfully grow InSb on Si, tilted substrates and the insertion of buffer layers were used. An electron mobility of 24000 cm^2/V s measured at 300 K, with an associated carrier concentration of 2.6e16 cm^{-3} is found for the best sample that was grown at 340°C with a 0.06 μm-thick GaSb/AlSb superlattice buffer layer. The sample reveals a density of microtwins and stacking faults as well as threading dislocations in the near-interface. Deep level noise spectra indicate the existence of deep levels in both GaAs and Si-based samples. The Si-based samples exhibit the lowest Hooge factor at 300 K, lower than the GaAs-based samples. Taking the optimized growth conditions of InSb/GaAs, the DMS In_{1-x}Mn_xSb/GaAs is prepared by adding Mn (x < 1%) into the InSb during growth. Mn decreases the lattice constant as well as the degree of relaxation of (In,Mn)Sb films. Mn also distributes itself to result in two different and distinct magnetic materials: the DMS (In,Mn)Sb and clusters MnSb. The MnSb clusters dominate only on the surface. For the DMS alloy (In,Mn)Sb, the measured values of Curie temperature Tc appears to be smaller than 50 K, whereas it is greater than 300 K for the MnSb clusters.

L'objectif général de la thèse est d'améliorer la modélisation numérique RANS des flux thermiques turbulents notamment en proposant un modèle fonctionnant dans les trois régimes de convection thermique (forcée, mixte et naturelle).Pour ce faire, un état des lieux, non exhaustif, des modèles des flux thermiques utilisant les approches algébriques et à équations de transport, est effectué. Puis, le modèle EB-RSM (Elliptic Blending-Reynolds Stress Model) étant utilisé pour modéliser la turbulence, le principe de la pondération elliptique est appliqué aux modèles des flux thermiques turbulents algébriques EB-GGDH (EB-General Gradient Diffusion Hypothesis), EB-AFM (EB-Algebraic Flux Model) et à équations de transport EB-DFM (EB-Differential Flux Model). Une attention particulière a été apportée aux échelles de temps et de longueur utilisées pour ces modèles. Il en résulte qu'utiliser une échelle de longueur thermique différente de l'échelle de longueur dynamique et une échelle de temps mixte dans le terme de flottabilité de l'équation de la dissipation turbulente est préférable.Pour valider les formulations retenues, nous avons effectué des tests pour des fluides usuels (nombre de Prandtl de l’ordre de 1) dans les trois régimes de convection à l'aide de l'outil de calcul Code_Saturne sur des configurations académiques, semi-académiques et industrielles.Des résultats satisfaisants ont été obtenus en associant l'EB-RSM et le GGDH en convection forcée ou mixte et l'EB-RSM aux modèles EB-DFM et AFM en convection naturelle. / The PhD main objective is to improve the turbulent heat flux RANS modelling especially by proposing a model working in the three thermal convection regime (forced, mixed and natural).In order to achieve this, a non-exhaustive state of art of heat flux model, using algebraic approach and transport equations, is done. Then, as EB-RSM model (Elliptic Blending-Reynolds Stress Model) is used to model turbulence, elliptic blending approach is apply to algebraic turbulent heat flux model EB-GGDH (EB-General Gradient Diffusion Hypothesis), EB-AFM (EB-Algebraic Flux Model) and transport equation model EB-DFM (EB-Differential Flux Model). Special attention was paid to time and length scales used with these models. It follows that using a thermal length scale different from dynamic length scale and a mixed time scale in the buoyant term of turbulent dissipation equation is better.To validate these models, some test were done for common fluids (Prandtl number in the order of 1) in the three convection regimes with the tool Code_Saturne on academic, mid-academic and industrial cases.Good results were obtained combining EB-RSM with GGDH in forced or mixed convection and EB-RSM with EB-DFM or AFM in natural convection.

Kundanpassning är ett ökande problem för tillverkare och det gäller även för Zetterbergs därproblemet nu är att konstruera lastbilsprodukter som ska passa till alla kunder vars lastbils-fabrikat varierar. Syftet med studien var att utveckla CAD-modeller för en ljusanordning medbred kundanpassning, lågt komponentantal och mindre skador vid tillämpning.För att utföra arbetet användes teori inom DFM (Design For Manufacturing), regelverk ochde tillverkningsmetoder som fanns till godo hos företaget. Datainsamlingen bestod av inter-vjuer, litteraturstudier och observationer. Arbetet följde en generell produktutvecklingspro-cess som började med konceptgenerering. Valet av vinnande koncept för vidareutvecklingbestämdes med Pughs matris. Vidareutvecklingen utfördes i Solidworks där även FEM-ana-lyser och topologioptimerings-analyser utfördes i syfte att förbättra konstruktionerna utanatt förlora hållfasthet och vibrationskänslighet.Resultatet blev två CAD-ritade ljusanordningar vars vikt var lägre än den nuvarande anord-ningen. Distansen mellan skadepunkter och lastbilens ände ökade jämfört med originalet. Enav konstruktionerna hade färre komponenter än originalet. De resulterande ljusanordning-arna visade goda egenskaper, men det finns rum för korrigeringar, som delvis missades imån av tidsbrist. Vidare var de utförda FEM-analyser och topologioptimeringar förenklingarav verkligheten och därför är det svårt att bedöma om dessa adekvat representerar praktiskanvändbarhet utan verkliga tester. Det är därför av framtida intresse att tillverka ljusanord-ningarna i resultatet och testa prestandan i verkliga scenarion, men också för att identifieraeventuella tillverkning och monteringsproblem som omedvetet har negligerats. / Product-customization is a growing problem for manufacturers which is also true for Zetterbergs where the problem currently is to construct lorry products that fit the customers varying lorry-types. The purpose of the study is to develop CAD-models for a back light ordinance with broad customer adaptability, lower assembly component quantity and less damage occurrence during use of the product. To complete the task, design theory including DFM (Design For Manufacturing), manufacturing methods available at the company and regulatory limitations were researched. The data collection consisted of interviews, literature studies and observations. The work followed a general product development process that began with concept generation. Choosing the winning concepts for further development was done through Pugh’s decision matrix. Further development was conducted in SolidWorks where FEM analyses and topology optimizations also were conducted with the purpose of improving the constructions without losing strength and vibratory properties. The result of the study were two light ordinances with their respective construction drawings. The weight of the two ordinances were lower than the original. The distance between damage-points and the endpoint of the lorries both increased. One construction had lower component quantity than the original. Both constructions showed good characteristics. There is room for improvement however as some aspects may have been missed due to time restrictions. Furthermore, the FEM and topology analyses were simplifications of reality. It would be valuable to create real prototypes from the result and conduct tests in more realistic scenarios and simultaneously identify subconsciously neglected manufacturing and assembly issues.

Hög produktkvalitet och låg tillverkningskostnad är avgörande för den ekonomiska framgången för en produkt, och för att uppnå en sådan framgång används metoden tillverkningsanpassad konstruktion (DFM). DFM är en väldigt integrativ metod och kräver ett tvärfunktionellt arbete mellan experter så som produktionstekniker, produktionsberedare och tillverkningspersonal (Ulrich &amp; Eppinger, 2014). Volvo CE har ett kontinuerligt arbete med DFM och det utförs idag genom många iterationer och direkt kontakt mellan tillverknings- och utvecklingsavdelningen. Trots det kontinuerliga arbetet med DFM eftersöker nu avdelningen Driveline Systems Product Improvement en metod för detta arbete, eftersom att ingen metod används idag. Metoder för DFM finns beskrivna på flera olika sätt och av flera olika författare, och i detta arbete undersöks metoder av Ulrich &amp; Eppinger (2014), Dalton et al. (2016) and O’Driscoll (2002). En standardiserad metod och ett överskådligt arbete med DFM kan skapa bättre förutsättningar för kunskapsåterföring för att se och lära från tidigare arbeten kopplat till tillverkning av produkterna. Samtidigt som en DFM-metod efterfrågas undersöks Volvos nuvarande produktutvecklingsprocess, DMAIC, på den aktuella avdelningen, som idag är anpassad till utveckling och förbättringar av befintliga artiklar. För det aktuella ärendet är orsaken att öka beläggningen och genomförandet föregås således inte av någon förbättring eller utveckling av artiklarna. Därför ska det aktuella insourcing-ärendet jämföras mot Volvos egna process. För att knyta an det aktuella ärendet till vedertagna produktutvecklingsprocesser används en teoretisk produktutvecklingsprocess, och ärendet jämförs även mot denna process. I arbetet utförs fältarbete, inklusive fallstudier och intervjuer, samt en kompletterande litteraturstudie runt metoden DFM och insourcing. I fältarbetet undersöks två externt tillverkade artiklar som två fall som väljs ut genom ett projektval, vari totalt sex artiklar ingår från början. För att genomföra projektvalet och vidare utveckling av artiklarna tillämpades i huvudsak Ullmans (2010) produktutvecklingsprocess med tillhörande metoder (relevanta för detta arbete), med något inslag av Ulrich &amp; Eppingers (2014) process. Utifrån den eftersökta metoden för arbete med DFM, och aktuella fallstudier och processer ska följande frågor besvaras:   Hur korrelerar en insourcing-process med teoretiska produktutvecklingsprocesser och Volvos produktutvecklingsprocess? I vilka steg i insourcing-processen är det relevant att inkludera DFM?   Aspekter kopplat till tillverkningsanpassad konstruktion, och således DFM, är aspekter som påverkar tillverkningskostnaden. Vid insourcing är förädlingskostnaden och skiftgraden de mest relevanta och kanske viktigaste aspekterna, som bör adresseras redan i projektvalet. Både förädlingskostnaden och skiftgraden är aspekter som påverkar tillverkningskostnaden. Vid insourcing är det dessutom viktigt att beakta orsaker till outsourcing, som inte framgår i varken processen DMAIC eller Ullmans (2010) process. Kopplat till processerna jämfört med insourcing-ärendet så förekommer vissa skillnader mellan både Ullmans (2010) produktutvecklingsprocessen och Volvos process DMAIC, även om en del likheter också finns. / High product quality together with low manufacturing cost are vital aspects of the economic success of a product. To achieve such success the method Design for Manufacturing (DFM) is used. DFM is a highly integrative method and demands a cross-functional team consisting of experts such as production engineers, pre-process engineers and manufacturing personnel (Ulrich &amp; Eppinger, 2014). Volvo CE has a continuous work with DFM and it is done through many iterations and direct contact between the manufacturing- and design department. Although the overall work with DFM is continuous the department Driveline Systems Product Improvement is requesting a method for this work, due to the lack of any methods used today. It is discovered that there are many different methods for DFM described by many authors, and in this thesis methods by Ulrich &amp; Eppinger (2014), Dalton et al. (2016) and O’Driscoll (2002) are investigated. A standardized way may increase the quality of the DFM work and may help create a more holistic view. A holistic view over the work with DFM can help create better conditions for re-use of previous knowledge related to manufacturing of the parts. In addition of the requested method for DFM the current product development process used, DMAIC, is investigated. The process is today mainly used and adapted for the development and improvement of existing products. The reason of the current case studies is to increase the utilization level at the current manufacturing department, and thus no improvement or development is initially present. Therefore, the current insourcing case studies are compared to the Volvo process DMAIC. To connect the current case to established product development processes the case studies are also compared to a theoretical product development process.   Methods used within this thesis are field work, with interviews and case studies, and a complementary literature study to investigate methods and to increase the understanding of DFM and insourcing. In the field work two parts for insourcing are investigated as two case studies. The parts are initially selected through a project selection, where a total of six parts are included. To perform the selection and further development of the current case studies Ullmans (2010) design process were applied, with use of relevant methods and tools for this work. Also, some elements of the product development process according to Ulrich &amp; Eppinger (2014) were applied. Based on the requested method for DFM and the current case studies the following research questions were raised:   How does an insourcing process correlate with theoretical design processes and with Volvo’s product development process? Where in the insourcing process is it relevant to include DFM?   Aspects of DFM are aspects that affect the manufacturing cost. When insourcing processing of parts and labour shift rate are the most relevant and important aspects and should be addressed when selecting and evaluating project. Both processing of parts and labour shift rate are aspects that affect the manufacturing cost. When insourcing it is also important to include aspects connected to outsourcing, and this fact cannot be identified in the DMAIC process nor the design process of Ullman (2010). Compared to the current insourcing case studies there are some differences between both the design process of Ullman (2010) and the Volvo process DMAIC, even if there also are some similarities.

Les réservoirs non-conventionnels présentent un milieu fracturé à multi-échelles, y compris des fractures stimulées et des fractures naturelles, augmentant l'hétérogénéité et la complexité de la simulation de réservoir. Ce travail propose un modèle unique et simple tout en tenant compte des paramètres clés d'un réservoir, tels que l'orientation des fractures, l'anisotropie et la faible perméabilité du réservoir. L'échange matrice-fracture n'est pas correctement modélisé en utilisation les modèles Discrete Fracture Model (DFM) standards en raison de la très faible perméabilité. Dans ce travail nous proposons l'extension de la méthode MINC (Multiple interagissant Continua) aux modèles DFM afin d'améliorer l'échange matrice-fracture. Notre DFM basé sur la méthode MINC, est un modèle triple porosité où les fractures de très grandes conductivités sont explicitement discrétisées et le reste est homogénéisé. Autrement aux modèles standards et afin d'améliorer l'échange de flux entre la matrice et la fracture, une maille matrice est subdivisé selon une fonction de proximité en tenant compte de la distribution des fractures. Notamment, notre approche est particulièrement utile pour les simulations multiphasique avec un changement de phase dans l'échange matrice/fracture, qui ne peut pas être simulé avec une approche standard. Enfin, nous avons appliqué notre approche pour un cas DFN synthétique dans un réservoir de gaz à condensat et un réservoir tight-oil. Un bon accord a été observé en comparant nos résultats à des solutions de référence obtenues avec des maillages très fins. / Unconventional low permeability reservoirs present a multi-scale fractured media, including stimulated fractures and natural fractures of various sizes, increasing the heterogeneity and the complexity of the reservoir simulation. This work proposes a methodology to address this challenge, taking into account reservoir key parameters such as fractures locations, orientation, anisotropy and low permeability matrix in a unique model as simple as possible. Using standard Discrete Fracture Models (DFMs), the matrix-fracture interaction is not properly handled due to the large grid cells and very low matrix permeability. In this work, we extended the MINC (Multiple INteracting Continua) method to the DFM in order to improve the matrix-fracture flow exchange. Our DFM based on a MINC proximity function is computed by taking into account all discrete fractures, within a triple-porosity model where the propped fractures are explicitly discretized and other fractures are homogenized. In order to improve the flow exchange between the matrix and fracture media, the matrix grid cell is subdivided according to the MINC proximity function based on the distance to all discrete fractures, by using randomly sampled points. Our approach is particularly useful for multi-phase flow simulations in matrix-fracture interaction with phase change, which cannot be handled by a standard approach. Finally, we applied our technique to synthetic DFM case in a retrograde gas and a tight-oil reservoirs. A good agreement is observed by comparing our results to a reference solution where very fine grid cells were used.

<div> <div> <div> <p>Various fault models such as stuck-at, transition, bridging have been developed to better model possible defects in manufactured chips. However, over the years as device sizes have shrunk, the probability of systematic defects occurring in chips has increased. To predict the sites of occurrence of such defects, Design-for-Manufacturability (DFM) guidelines have been established, the violations of which are modelled into DFM faults. Nonetheless, some faults corresponding to DFM as well as other fault models are undetectable, i.e., tests cannot be generated to detect their presence. It has been seen that undetectable faults usually tend to cluster together, leaving large areas in a circuit uncovered. As a result, defects occurring there, even if detectable, go undetected because there are no tests covering those areas. Hence, this becomes an important issue to address, and to resolve it, we utilize gate- exhaustive faults to cover these areas. Gate-exhaustive faults provide exhaustive coverage to gates. They can detect any defect which is not modelled by any other fault model. However, the total number of gate-exhaustive faults in a circuit can be quite large and may require many test patterns for detection. Therefore, we use procedures to select only those faults which can provide additional coverage to the sites of undetectable faults. We de ne parameters that determine whether a gate associated with one or more undetectable faults is covered or not, depending on the number of detectable and useful gate-exhaustive faults present around the gate. Bridging faults are also added for extra coverage. These procedures applied to benchmark circuits are used for obtaining the experimental results. The results show that the sizes of clusters of undetectable faults are reduced, upon the addition of gate-exhaustive faults to the fault set, both in the case of single-cycle and two-cycle faults. </p> </div> </div> </div>

A constante evolução de métodos, tecnologias e ferramentas associadas na área de projeto fornece maior capacidade para o projetista. Entretanto, ela também aumenta os requisitos de interfaces e controle do conjunto de componentes de projeto consideravelmente. Tipicamente, este aspecto está presente na área de Projeto Orientado para a Manufatura (DFM) onde existem diversos distintos componentes. Cada um dos componentes existentes, ou futuros, pode ter foco diferente, consequentemente com requisitos de informação, utilização e execução distintos. Este trabalho propõe a utilização de padrões conceituais flexíveis de informação e controle de forma abrangente em uma arquitetura de Projeto Orientado para a Manufatura (DFM). O objetivo principal é auxiliar a análise e resolução de DFM, bem como dar suporte à atividade de projeto estruturando e propondo uma solução em relevantes aspectos em DFM: estruturação do contexto das informações (ou conhecimento) em DFM. A arquitetura utiliza as seguintes atividades de projeto em processos de usinagem: Tolerância, Custo, Acessibilidade da ferramenta, Disponibilidade de máquinas e ferramentas e Análise de materiais para demonstrar a relevância da correta contextualização e utilização da informação no domínio DFM . Sob forma geral, concomitantemente, as amplas necessidades de compreensão dos distintos tipos e formas da informação em DFM demandam que uma arquitetura de projeto tenha capacidade de gerenciar/administrar diferentes contextos de informações de projeto. Este é um tópico relevante tendo em vista que existem diferentes atividades DFM que eventualmente devem ser incluídas no ato de projetar. Tipicamente, cada uma delas tem requisitos distintos em termos de dados e conhecimento, ou contextualização do projeto, que idealmente poderiam ser gerenciados através da arquitetura de informação atual – STEP.Aarquitetura proposta gerencia contextos de informações de projeto através de ontologias direcionadas no domínio DFM. Através dela, será possível compreender e utilizar melhor as intrínsecas interfaces existentes nas informações deste domínio, além de, através disto, aumentar a flexibilidade e eficácia de sistemas DFM. / This work proposes the use of industry standards to support the utilization of Design for Manufacturing (DFM) techniques in a comprehensive scale in the design field. The specific aspect being considered in an architecture is the definition and structure of DFM information context. In order to demonstrate the research concepts, some design activities are implemented the framework (which is focused in machining processes): Tolerancing model, Cost model based on material remove processes, Tool Accessibility model taking into consideration the part being designed, Availability of Machines and Tools model, and Material analysis. The broad needs of design–based frameworks, in general, require that its architecture must have the capabilities to handle di erent framework design information utilization contexts, or information context concepts. This is a relevant aspect since there are severalDFMcomponents/activities that preferably should be included in the design process. Traditionally, each one of them might have distinct data & knowledge requirements, which can be handled by the current information architecture – STEP – only in part. Additionally, each one of them might have, or need, di erent forms of understanding DFM information (information context). The framework handles information context concepts through the use of the ontologies targeted to the DFMfield. It is expected that a better comprehension and usage of the intrinsic information interfaces existent in its domain be achieved. Through it, more flexible and e ective DFM systems information-wise can be obtained.

In product manufacture and assembly it is important to lower materials usage and assembly timewhile retaining a safety margin against structural failure. In this project the ceiling attachment of theAVPOS offloading arm is redesigned based on objectives identified by Löfs Specialmaskiner. Theoriginal ceiling attachment is analysed using finite element analysis to identify any structuralweaknesses to be addressed during redesign. Based on information gained during the FEA threeconcepts are generated and rated based on their estimated assembly times, material usage, partscount and the cutting length for machining.One concept is selected for further topology optimisation and iterative FEA, where material isremoved from the selected concept design while maintaining safety objectives. The optimised designdeveloped during this project is shown to have a lower number of parts, lower usage of material andassembly time while retaining an overall FOS value of 4.In addition to redesigning the ceiling attachment, alternative bearings are also investigated whichchanges the existing ball bearings to a self-aligning sliding bearing with self-lubricating properties,lowering the machining tolerances as well as lowering the needs for service.This project contributes to lowering material usage and ease of assembly in the product AVPOS thatis manufactured by Löfs Specialmaskiner. The redesigned ceiling attachment along with thesuggested bearings will likely simplify future manufacturing as well as lower any concerns for damageto people and property as a result of structural failure.

A constante evolução de métodos, tecnologias e ferramentas associadas na área de projeto fornece maior capacidade para o projetista. Entretanto, ela também aumenta os requisitos de interfaces e controle do conjunto de componentes de projeto consideravelmente. Tipicamente, este aspecto está presente na área de Projeto Orientado para a Manufatura (DFM) onde existem diversos distintos componentes. Cada um dos componentes existentes, ou futuros, pode ter foco diferente, consequentemente com requisitos de informação, utilização e execução distintos. Este trabalho propõe a utilização de padrões conceituais flexíveis de informação e controle de forma abrangente em uma arquitetura de Projeto Orientado para a Manufatura (DFM). O objetivo principal é auxiliar a análise e resolução de DFM, bem como dar suporte à atividade de projeto estruturando e propondo uma solução em relevantes aspectos em DFM: estruturação do contexto das informações (ou conhecimento) em DFM. A arquitetura utiliza as seguintes atividades de projeto em processos de usinagem: Tolerância, Custo, Acessibilidade da ferramenta, Disponibilidade de máquinas e ferramentas e Análise de materiais para demonstrar a relevância da correta contextualização e utilização da informação no domínio DFM . Sob forma geral, concomitantemente, as amplas necessidades de compreensão dos distintos tipos e formas da informação em DFM demandam que uma arquitetura de projeto tenha capacidade de gerenciar/administrar diferentes contextos de informações de projeto. Este é um tópico relevante tendo em vista que existem diferentes atividades DFM que eventualmente devem ser incluídas no ato de projetar. Tipicamente, cada uma delas tem requisitos distintos em termos de dados e conhecimento, ou contextualização do projeto, que idealmente poderiam ser gerenciados através da arquitetura de informação atual – STEP.Aarquitetura proposta gerencia contextos de informações de projeto através de ontologias direcionadas no domínio DFM. Através dela, será possível compreender e utilizar melhor as intrínsecas interfaces existentes nas informações deste domínio, além de, através disto, aumentar a flexibilidade e eficácia de sistemas DFM. / This work proposes the use of industry standards to support the utilization of Design for Manufacturing (DFM) techniques in a comprehensive scale in the design field. The specific aspect being considered in an architecture is the definition and structure of DFM information context. In order to demonstrate the research concepts, some design activities are implemented the framework (which is focused in machining processes): Tolerancing model, Cost model based on material remove processes, Tool Accessibility model taking into consideration the part being designed, Availability of Machines and Tools model, and Material analysis. The broad needs of design–based frameworks, in general, require that its architecture must have the capabilities to handle di erent framework design information utilization contexts, or information context concepts. This is a relevant aspect since there are severalDFMcomponents/activities that preferably should be included in the design process. Traditionally, each one of them might have distinct data & knowledge requirements, which can be handled by the current information architecture – STEP – only in part. Additionally, each one of them might have, or need, di erent forms of understanding DFM information (information context). The framework handles information context concepts through the use of the ontologies targeted to the DFMfield. It is expected that a better comprehension and usage of the intrinsic information interfaces existent in its domain be achieved. Through it, more flexible and e ective DFM systems information-wise can be obtained.