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HEPHESTOS: Hard Material Small-Batch Industrial Machining Robot

HEPHESTOS: Hard Material Small-Batch Industrial Machining Ro...

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ISR/Robotik 2014;41st International Symposium on Robotics

作者： Gerhard Schreck Dragoljub Surdilovic Joerg Krueger Fraunhofer Institute for Productions Systems and Design Technology IPK

In September 2012 a European collaborative project was launched entitled "Hard Material Small-Batch Industrial Machining Robot (HEPHESTOS)". HEPHESTOS' main objective is to develop novel technologies for the robotic hard material removal that will provide standard industrial robots with advanced techniques in machining planning, programming and real-time control. Hard materials machining has recently attracted great attentions from the advanced industries, in particular, the European automotive, the aerospace and the biomedical industries. However, the existing technology failed to provide these industries with a cost efficient solution to cope with small-batch production of large and complex-shaped products. The project HEPHESTOS, with its focus on developing sophisticated methods in robotic manufacturing, shall give rise to a cost-efficient solution in hard materials machining for this small-batch production of highly customized products through the application of industrial robots.

关键词： Hard materials batch production industrial robots industrial machining Robot machining industries

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New production technologies in aerospace industry - 5th machining innovations conference (MIC 2014) machining of carbon fibre reinforced plastics 5th

New production technologies in aerospace industry - 5th mach...

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New production Technologies in Aerospace Industry - Machining Innovations Conference, MIC 2014

作者： Uhlmann, E. Sammler, F. Richarz, S. Heitmuller, F. Bilz, M. Institute of Machine Tools and Factory Management Technische Universität Berlin Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Berlin Germany

The implementation of carbon fiber reinforced plastics (CFRPs) in the aeronautical industry has increased dramatically in recent years due to their favourable combination of low weight and high strength as well as the adaptability of their material properties. In order to economically and reproducibly machine these materials with high part qualities, improvements in machining strategies must be made. The focus of this paper lies on innovative technologies for the machining of CFRPs whereby CVD diamond coated tools and milling tools for the improvement of milling processes have been designed. Furthermore, water jet cutting, CO2 jet cutting and grinding of CFRPs has been investigated. The quality of the machined workpieces is also an issue which requires addressing, particularly in relation to the fraying of machined edges. An innovative quantitative method for the evaluation of the workpiece quality of CFRP is presented. ©2014 The Authors. Published by Elsevier B.V.

关键词： Carbon fiber reinforced plastics

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A transdisciplinary perspective on prototyping

A transdisciplinary perspective on prototyping

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International Conference on Concurrent Enterprising

作者： Konrad Exner Kai Lindow Rainer Stark Jussi Ängeslevä Benjamin Bähr Emilia Nagy Chair of Industrial Information Technology Technische Universität Berlin Berlin Germany Division of Virtual Product Creation Fraunhofer Institute for Production Systems and Design Berlin Germany Quality & Usability Labs Technische Universität Berlin Berlin Germany Hybrid Plattform The Berlin University of the Arts Berlin Germany

New societal challenges influence product development on different levels, from business strategies of companies to engineering activities. For instance, the extension of product centered development to Product-Service systems including products, services, infrastructure, business models etc. demand specialists of different domains regarding the development of such solutions. Therefore, transdisciplinary team work is not an academic concept, but a necessity in practice. Besides classical challenges regarding team work, transdisciplinary teams have to face differences in the mutual understanding of development concepts, thus, resulting in misunderstandings. The research group Rethinking Prototyping focusses on prototyping processes, in particular by integrating different approaches and analyzing future potential of prototyping. The main idea is to bring different perspectives into collision to learn from each other and develop a common understanding of prototyping. For this purpose a two-day workshop has been conducted, bringing together a group of engineers, architects, interaction designers, media designers etc. Various domain specific design tasks have been analyzed and performed in mixed teams while recording the design process of the group and specific wording of each participant regarding prototyping. This paper describes the research approach and the qualitative results of the study.

关键词： Prototypes Testing Computer architecture Companies Conferences Architecture

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Interplay of styling, design and service performance in developing Product-Service systems

Interplay of styling, design and service performance in deve...

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2014 International Conference on Engineering, technology and Innovation, ICE 2014

作者： Exner, Konrad Hagedorn, Lisa Lindow, Kai Stark, Rainer Hayka, Haygazun Department of Industrial Information Technology Technische Universität Berlin Berlin Germany Division of Virtual Product Creation Fraunhofer Institute for Production Systems and Design Technology Berlin Germany

ISBN: (纸本)9781479947348

New innovations are a decisive competitive advantage in today's global markets. Besides technical improvements the extension of classical product centred offerings with services to a provider of individual solution offers tremendous benefits. Furthermore, an exceptional product styling enables emotionally added value. Developing these offerings requires a joint and structured collaboration among the stakeholders, e.g. stylists, designers and engineers, already in the early phases. In practice, this can evoke a number of difficulties due to differences in working processes and philosophies of the different stakeholders. In order to face this challenge, the design process of offering development needs to be investigated. Furthermore, new methods and processes have to be developed. This paper describes an investigation of the different methods in developing a product focusing on stylists and engineers. Additionally, it describes the investigation of the challenges that occur during the development of Product-Service systems. Based on survey results a new approach is presented which is in turn validated with a use case. Eventually, an integrated offering development process is proposed. © 2014 IEEE.

关键词： Surveys

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Method for the identification and comparison of alternative process chains focusing on economics efficiency analysis during the conceptual design of mechatronic integrated devices 11

Method for the identification and comparison of alternative ...

引用

11th International Congress Molded Interconnect Devices, MID 2014

作者： Schierbaum, Thomas Gausemeier, Jürgen Dumitrescu, Roman Heinz Nixdorf Institute Universitiy of Paderborn Fuerstenallee 11 Paderborn Germany Fraunhofer Institute for Production Technology Project Group Mechatronic Systems Design Zukunftsmeile 1 Paderborn Germany

ISBN: (纸本)9783038352525

Nowadays developers are confronted with rising requirements in terms of miniaturization along with optimal utilization of provided space plus functions integration. The technology mechatronic integrated devices (MID) meets those requirements successfully. A central challenge in this field is the economic efficiency analysis which was identified as a main key factor for successful MID-Projects. In this paper a method for the identification and comparison of alternative process chains focusing on economics efficiency analysis is presented. It is based on the so called principle solution which is modeled with the specification technique by Gausemeier et al. as well as new developed process cards. The method will be exemplified on the miniature robot BeBot which has been developed at the Heinz Nixdorf institute. © (2014) Trans Tech Publications, Switzerland.

关键词： Conceptual design

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FE-simulation for a safe design of machine tool safety guards

FE-simulation for a safe design of machine tool safety guard...

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WGP Congress 2014

作者： Meister, Fabio Uhlmann, Eckart Institute for Machine Tools and Factory Management Technische Universität Berlin Pascalstraße 8-9 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 Berlin Germany

ISBN: (纸本)9783038352457

The current standards on the safety of machine tools are reliable sources for designers who need to know which materials and thicknesses are appropriate for safety guards on a certain type of machine tool. However, due to various possible designs of safety guards, information about requirements on their fixation is only provided for isolated cases. In the impact test laboratory of the IWF, a broad series of FE simulations and impact tests has been accomplished in order to provide quantitative values to machine tool guard designers. In addition, a method to validate FE simulation results and to determine their reliability is presented. This allows an integration of FE simulations in the dimensioning process of machine tool guards and significantly reduces required experimental impact tests. © (2014) Trans Tech Publications, Switzerland.

关键词： Finite element method

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Advanced machining processes for CFRP

Advanced machining processes for CFRP

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WGP Congress 2014

作者： Rieck, Iris Uhlmann, Eckart Institute for Machine Tools and Factory Management Technische Universität Berlin Pascalstraße 8-9 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 Berlin Germany

ISBN: (纸本)9783038352457

The processing of fibre reinforced plastics is one of the main research areas at the institute for Machine Tool and Factory Management of the Technical University of Berlin. In this process new tool concepts and innovative process strategies are developed, tested and prepared for the industrial application. This report presents the latest research results in the field of High-Speed- Cutting of fibre-reinforced plastics. © (2014) Trans Tech Publications, Switzerland.

关键词： Fiber reinforced plastics

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Dry ice blasting as a pre-treatment process for electroplating

Dry ice blasting as a pre-treatment process for electroplati...

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WGP Congress 2014

作者： Baira, El Mustapha Kretzschmar, Michael Hollan, Robert Heitmüller, Florian Uhlmann, Eckart Institute for Machine Tools and Factory Management Technische Universität Berlin Pascalstraße 8-9 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 Berlin Germany

ISBN: (纸本)9783038352457

In this paper the technological fundamentals of dry ice blasting as a pre-treatment process for the electroplating of plastics are presented. The advantages compared to conventional pretreatment are discussed. In a series of experiments the influence of the setting parameters of the surface area roughness and surface tension of the workpiece was investigated. Furthermore, the surface parameters, which influence the adhesion strength of the electro-coating process, were identified. Finally, a model to describe the correlation between the dry ice blasting setting parameters and the surface parameters was developed. © (2014) Trans Tech Publications, Switzerland.

关键词： Electroplating

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Classification of VR interaction techniques, based on user intention 11

Classification of VR interaction techniques, based on user i...

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11th Conference and Exhibition of the European Association of Virtual Reality and Augmented Reality, EuroVR 2014

作者： Weidig, C. Mestre, D.R. Israel, J.H. Noël, F. Perrot, V. Aurich, J.C. TU Kaiserslautern Institute for Manufacturing Technology and Production Systems Germany Mediterranean Virtual Reality Center Aix-Marseille University France Fraunhofer IPK Berlin Germany G-SCOP laboratory Grenoble INP Université Joseph Fourier CNRS Grenoble France

ISBN: (纸本)9783905674767

The number of different virtual reality (VR) systems and corresponding interaction techniques is quite manifold, today. For dedicated input devices, data types and application domains specific interaction techniques have been developed. Thereby a wide audience of researchers can benefit from using VR systems. A drawback is, that for non-VR specialists it is nearly impossible to get a clear overview and identify proper interaction techniques for their research questions. Therefore this article proposes a classification scheme for VR interaction techniques based on the users’ purpose. This will help non-VR specialist to identify VR systems and interaction techniques perfectly matching their demand. The classification will be used within the project VISIONAIR to bring together VR experts and external users. © The Eurographics Association 2014.

关键词： Virtual reality

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Spatial programming for industrial robots: Efficient, effective and user- optimised through natural communication and augmented reality

Spatial programming for industrial robots: Efficient, effect...

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WGP Congress 2014

作者： Lambrecht, Jens Krüger, Jörg Department Industrial Automation Technology Institute for Machine Tools and Factory Management Technische Universität Berlin Pascalstr. 8-9 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstr. 8-9 Berlin Germany

ISBN: (纸本)9783038352457

In this paper, we present a robot programming system taking into account natural communication and process integrated simulation as well as a unified robot control layer and an interface towards the Digital Factory for program transmission. We choose an integrative approach including markerless gesture recognition and a mobile Augmented Reality simulation on common handheld devices, e.g. smartphones or tablet-PCs. The user is enabled to draw poses and trajectories into the workspace of the robot supported with simultaneous visual feedback in Augmented Reality. In addition the user can adapt the robot program by gestural manipulation of poses and trajectories. Within a task-oriented implementation of the robot program a pick and place task was implemented through the programming by demonstration principle. With the help of a user study we evaluate programming duration, programming errors and subjective assessment compared with Teach-In and Offline Programming. The analysis of the results shows a significant reduction of programming duration as well as a reduction of programming errors compared with Teach-In. Furthermore, most participants favour the spatial programming system. © (2014) Trans Tech Publications, Switzerland.

关键词： Augmented reality

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