EMO Hannover 2019, 16 - 21 September

    EMO Hannover 2019, 16 - 21 September
    The salient answers on umati

    The salient answers on umati

    EMO Hannover 2019: since 2017, umati has been on everyone’s lips in the international machine tool industry. What at first was designated rather vaguely as an interface standard is now being meaningfully firmed up.

    02 Aug. 2019
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    Frankfurt am Main, 07 August 2019. – With application-tailored implementation of the umati interface for the machine tool sector, since 2017 clear contents and technical key data for translation into hands-on reality have been drawn up. What this means specifically, and what visitors can expect to see at the EMO Hannover, are explained by three experts: Götz Görisch is responsible at the VDW for the field of digitisation and Industry 4.0, and is Chairman of the umati Joint Working Group. Bernd Zapf is responsible for Development New Business & Technology at Gebr. Heller Maschinenfabrik GmbH in Nürtingen, while Andreas Wohlfeld is Lead Architect Smart Factory at Trumpf GmbH + Co. KG in Ditzingen, and heads the modelling group of the umati Joint Working Group.

    Interview part 1

    Why did the companies and the VDW initiate umati?

    Görisch: Following a workshop in the VDW themed around the issues of Industry 4.0, held in early 2017, it clearly emerged that things were definitely moving in terms of standardisation. After some market research, however, it also became clear that for the machine tool sector none of the proposals involved was usable. On occasion, standards had already been agreed between machine tool manufacturers and customers from the automotive industry, but only on a bilateral basis. This meant that very extensive resources in the companies were channelled into developing and maintaining the various customer implementations concerned. The intention is for the global interface umati to replace these, thus also creating capacities for developing new functions with customer benefits.

    Why has OPC UA been chosen as the communication standard?

    Görisch: This question was very intensively discussed and examined during the initial months of the project in 2017. In the past two to three years, OPC UA has been experiencing a veritable boom, and is tacitly acknowledged as the standard in industrial communication. OPC UA utilises internet technologies and protocols. Basically, it specifies how communication is handled. At the same time, sectorally specific expertise enables users to define, in what are called Companion specifications, the details of what is communicated. This means: the specifications provide a kind of sectorally specific dictionary.

    Why is standardisation not being performed at other organisations, like ISO or IEC?

    Görisch: OPC UA, as a fundamental specification, is already an IEC Standard (IEC 62541), meaning a standard published by the International Electrotechnical Commission (IEC). The Companion specifications are at present still so development-intensive, and are so urgently required, that traditional standardisation procedures are not fit for purpose here. As soon as the Companion specifications have stabilised, the long-term aim is to adopt them in IEC/ISO Standards. The VDW is here already actively involved in the preparatory work in ISO/TC 184 – a body at the ISO (International Standardisation Organisation) that draws up standards in the field of Automation Systems and Integration. In the shape of OPC UA, the basic implementations with the corresponding tools are already available, whereas in a normal standardisation process lasting three to five years in the end you still don’t have any implementations with the corresponding tools.

    How does the Showcase function?

    Görisch: The Showcase at the EMO Hannover 2019 demonstrates that machines from different manufacturers featuring umati can be securely, seamlessly and effortlessly connected to the customer’s IT systems. For this purpose, we have published a simplified version of the umati Companion specification’s draft, with the aim of reducing the amount of implementation work at the individual participants involved. The machines connect themselves to an aggregation server, which at companies is typically installed on the shop-floor level. On this server, the data from all machines are grouped together and made available to an OPC UA client in the destination application. Since we as the VDW cannot build a democase of this kind for the fair all by ourselves, we are being assisted by T-Systems. At the same time, many clients (applications) will link up to this server, a special feature, since most participants also themselves possess a digital product for utilising the data. In addition, we have brought on board relevant added-value service providers like Adamos or Symmedia for participation.

    How extensive is the Showcase’s data record?

    Görisch: For the demonstration scenario, we took the draft version of the Companion specification, and defined a typical machine tool. This reduces the implementation work involved for the manufacturers concerned, and the scenario contains everything that has already been defined in the standardisation work. The data enable most of the ten use cases specified for the first version to be handled – focused on the machine chosen for the Showcase.

    When is the standard scheduled for completion and publication?

    Görisch: If it were up to me, before the end of this year. However, we still have a lot of consultation work ahead of us, and at the same time, after submitting the release candidate to the OPC Foundation we have deadlines to comply with for comments and objections. So a realistic date for publication is early 2020. Which doesn’t mean that initial implementations can’t already be deployed. Always against the background, however, that modifications can and must be made.

    When can actual products be anticipated?

    Görisch: I am confident that the machine tool manufacturers will at the EMO Hannover be discussing with their development customers initial specific pilot implementations. The delivery times involved, however, will indubitably extend into next year. At the same time, the requisite testing and certification preconditions have to be put in place by the umati project team – with a view to dependable quality. And not least, the umati product for machine tools and software products has to be given its final description. Against this background, I would assume we’ll be seeing the first products next year.

    Interview part 2

    How the machine tool manufacturers Trumpf and Heller are contributing to the umati Showcase in Hanover is explained by Bernd Zapf and Andreas Wohlfeld.

    What is your company’s input for the Showcase at the EMO Hannover?

    Zapf: Heller will at the fair be providing a total of four data suppliers featuring the EMO umati data model: one five-axis machine on the Heller stand, two training machines, of which one will be exhibited on the VDW’s stand, and another five-axis machine that is installed at Heller’s production facility in Nürtingen. These machines will provide the data for the Showcase. In addition, Heller is a member in the VDW’s Core Group for designing and trialling the umati interface and for liaising with Siemens.

    Wohlfeld: We shall be connecting individual machines to the data hub as a showcase for the fair. Trumpf is, for instance, providing the VDW with a connected marking laser. Besides the machines in the Showcase, we are supporting the VDW’s umati-themed events in our role as a member of the VDW’s core group and the modelling group of the Joint Working Group. We are thus underlining our declared aspiration: it was important to the umati group to opt for a technology that offers maximised benefits for the new interface. Thanks to semantic self-description of the data in the information models, the data are not only structured, but provided with meanings, and thus significantly upgraded. And not least OPC UA is the standard chosen for communication in the framework architecture for industry 4.0 (RAMI4.0).

    What’s the status of the standardisation work for your focus?

    Zapf: The standardisation work is very elaborate, complex and time-consuming. Numerous opinions have to be obtained from different companies. Basically, what’s needed is abundant willingness to compromise on the part of everyone involved. Furthermore, an up-to-the-future data record is being developed, which takes time and necessitates a lot of experience. From Heller’s viewpoint, the current modelling status covers about 90 per cent of our requirements.

    Wohlfeld: Trumpf has for several years now had its own in-house standard in terms of OPC UA. We see umati as the next logical step on the path leading to the cross-manufacturer smart factory. We’re working hard on this. Approval of the companion specification by OPC Foundation Products is the next major objective. We should then also be able to put products on the market. Among the vendors, the standard will be successively disseminated. The tempo here essentially depends on how quickly they integrate the standard in their products.

    What specific pilot projects can be demonstrated at the EMO Hannover?

    Zapf: Heller will be demonstrating at the EMO, with the machines connected, the entire EMO umati data record. In our estimation, this already covers about 40 per cent of the final data record. We supply this data record with MDA/PDA signals from our present MDA/PDA interface, and in addition have more signals available which we have so far not been able to deploy. These will be contributed by the umati interface. We will thus in future be creating a link from the present MDA/PDA interface at our machines to the new and future requirements. This can, for example, be the acquisition of machine status conditions.

    Wohlfeld: At the EMO, we shall in the framework of the showcase be exhibiting a pilot with the Trumpf machine apps, which among other things visualises the machine status.

    The ten use cases for umati Version 1.0

    • Identification of machines from different manufacturers (EMO showcase)
    • Quick overview of whether production is running (EMO showcase)
    • Overview of the workpieces in the production order
    • Overview of the runtimes of the production order
    • Overview of the machine’s operating status (EMO showcase)
    • Overview of upcoming manual activities
    • Malfunction/warning overview
    • Providing information for KPI analyses
    • Drawing up consumption statistics for media and energy
    • Obtaining an overview of tool data

    The salient answers on umati

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    Photo: VDW Götz Görisch is responsible at the VDW for the field of digitisation and Industry 4.0, and is Chairman of the umati Joint Working Group.

    Bild2_Zapf_Bernd

    Photo: Heller Bernd Zapf is responsible for Development New Business & Technology at Gebr. Heller Maschinenfabrik GmbH in Nürtingen.

    Bild3_Wohlfeld_Andreas

    Photo: Trumpf Andreas Wohlfeld is Lead Architect Smart Factory at Trumpf GmbH + Co. KG in Ditzingen, and heads the modelling group of the umati Joint Working Group.

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    Photo: VDW/Chiron At the EMO Hannover, several machine tool manufacturers will be contributing to the umati Showcase.

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    Author: Annedore Bose-Munde, specialist journalist from Erfurt

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    Contact persons

    VDW German Machine Tool Builders’ Association
    Gerda Kneifel
    Press and Public Relations
    Corneliusstrasse 4
    60325 Frankfurt am Main
    Germany
    Phone +49 69 756081 32
    g.kneifel@vdw.de
    www.vdw.de

    Trumpf GmbH + Co. KG
    Catharina Daum, Spokesperson Machine Tools
    Johann-Maus-Strasse 2
    71254 Ditzingen
    Germany
    Phone +49 7156 303-30428
    catharina.daum@trumpf.com
    www.trumpf.com

    Gebr. Heller Maschinenfabrik GmbH
    Lukas Schult, PR & Content Manager
    Gebrüder-Heller-Strasse 15
    72622 Nürtingen
    Germany
    Phone +49 7022 77-5004
    lukas.schult@heller.biz
    www.heller.biz

    Annedore Bose-Munde
    Specialist journalist for economics and technology
    Am Elsterberg 13
    99094 Erfurt
    Germany
    Phone +49 171 2684 366
    info@bose-munde.de
    www.bose-munde.de

    EMO Hannover 2019 – the world’s premier trade fair for the metalworking sector
    From 16 to 21 September 2019, international manufacturers of production technology will be spotlighting smart engineering at the EMO Hannover 2019. Under the motto of "Smart technologies driving tomorrow’s production!", the world’s premier trade fair for the metalworking industry will be showcasing the entire bandwidth of modern-day metalworking technology, which is the heart of every industrial production process. The fair will be presenting the latest machines, plus efficient technical solutions, product-supportive services, sustainability in the production process, and much, much more. The principal focus of the EMO Hannover is on metal-cutting and forming machine tools, production systems, high-precision tools, automated material flows, computer technology, industrial electronics and accessories. The trade visitors to the EMO come from all major sectors of industry, such as machinery and plant manufacturers, the automotive industry and its component suppliers, the aerospace sector, precision mechanics and optics, shipbuilding, medical technology, tool and die manufacture, steel and lightweight construction. The EMO Hannover is the world’s most important international meeting point for production technology specialists from all over the planet. The EMO Hannover 2017 attracted almost 2,230 exhibitors from 44 different countries, and around 130,000 trade visitors from 160 nations. EMO is a registered trademark of the European Association of the Machine Tool Industries Cecimo.

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