The ARBURG magazine

Issue 47

2011

CON TEN T S

4 Fakuma 2011: Anniversary, energy & production efficiency plus more 8

10 ARS: Customers and hotline staff linked via Internet

14 50 years of ALLROUNDER: Anniversary events at unusual locations around the world

11 2E mechatronic: MID specialist with

EDRIVE in practice: Customers are impressed with the electric machine

huge potential for innovation

16 Sonceboz: Fully automatically encap-

20 Formplast: Successful entry into

26 Tech Talk: Compression injection

sulated valve controller housing

compression moulding of LED lenses

moulding - no limits with ALLROUNDER technology

19 Advantages of central manufac-

22 Reducing unit costs: Influence

turing: spare parts distribution as an example

of energy requirements, cycle time and organisation 24 Hopeful rubber: Quality and pro-

duction efficiency safeguard the future

MASTHEAD today, the ARBURG magazine, issue 47/2011 Reprints, including excerpts, only with express permission. Responsible: Dr. Christoph Schumacher Editorial advisory board: Oliver Giesen, Juliane Hehl, Martin Hoyer, Herbert Kraibühler, Bernd Schmid, Jürgen Schray, Wolfgang Umbrecht, Dr. Thomas Walther, Renate Würth Editorial team: Uwe Becker (text), Dr. Bettina Keck (text), Markus Mertmann (photos), Susanne Palm (text), Oliver Schäfer (text), Peter Zipfel (layout), Vesna Züfle (photos) Editorial address: ARBURG GmbH + Co KG, Postfach 1109, 72286 Lossburg, Germany Tel.: +49 (0) 7446 33-3149, Fax: +49 (0) 7446 33-3413 E-mail: [email protected], www.arburg.com

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ARBURG is synonymous with innovative technology: in the injection moulding sector and also in communication using QR codes. For more information, please go to page 7.

EDI TORI AL

Dear Readers, The autumn issue of “today”

For example, we are optimising set-up processes using

offers a perfect opportunity

video analysis with an aim to reducing unproductive

to look back on the year to

times.

date. In brief: we are ex-

Our aim is not only the use of efficient machines, but

tremely satisfied with busi-

also improvement of the entire organisation in order to

ness in 2011. In addition to the excellent business trend,

exploit further potential to reduce unit costs and to

we are also delighted with the success of the new

­increase throughput. In addition to this set-up example,

EDRIVE series. As the report on page 8 explains, numer-

this issue also contains many more suggestions for opti-

ous customers have expressed their satisfaction with

mising the production of plastic parts.

the performance of the electric machines. The EDRIVE

I hope you enjoy reading

thus represents the perfect complement to our machine

the new issue.

range for standard applications, enabling us to meet your requirements even more comprehensively in terms of production efficiency. You will find more information on this multi-faceted topic on page 22. We make every effort to further improve the efficiency of our production facilities in order to ensure that you, our customers, obtain this new technology and the entire ARBURG ­machine range within an acceptable delivery time.­ Herbert Kraibühler Managing Director Technology & Engineering

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Something for ever Fakuma 2011: Anniversary, energy & production efficiency plus

O

ur presence at this year’s Fakuma will focus on the “50 years of ALLROUNDER” anniversary and the new EDRIVE series, which extends our electric machine range. A total of ten exhibits will demonstrate a host of innovative applications, providing impressive proof of the performance of ARBURG products with regard to the efficient production of moulded parts. “In addition to the K, the Fakuma is ­always the most important fair of the year for us,” explains Michael Hehl, Managing Partner and Spokesperson for the ARBURG Management Team, describing the importance of this international industry event. “That is why, this year, we are not only presenting our latest developments and a representative cross-section of our product range with innovative applications. We will also be celebrating the highlight of this year’s ’50 years of ALLROUNDER’ anniversary in Friedrichshafen, demonstrating the

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key advantages that the ALLROUNDER philosophy continues to offer customers today.” During the Fakuma, there will be a ­special

vention of the Allrounder principle by Karl Hehl in 1961. Furthermore, the “Economic Miracle” competition will be held in order to find the oldest ALLROUNDER still being used in production (text box on right). The EDRIVE electric series provides the perfect addition to the machine range

ARBURG managing partner Michael Hehl said, “We will demonstrate the potential of our ALLROUNDERs with a broad range of machines and applications.”

exhibition area on the stand dedicated to “50 years of ALLROUNDER”, which ­focuses on the decisive event – the in-

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The emphasis in the machine sector is on the ALLROUNDER EDRIVE series, which further expanded ARBURG’s electric machine range this year. A total of three machines from the EDRIVE series will be presented at the Fakuma, these range from the smallest ALLROUNDER 370 E with a clamping force of 600 kN and size 170 injection unit, to the ALLROUNDER 570 E with a clamping force of 2,000 kN and size 800 injection unit. The various EDRIVE exhibits will be used to show that this electric series is designed to cover a broad range of applications in terms of

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SERV ICE

Look, don’t touch!

Photo: kmitu / www.fotosearch.de

ARBURG Remote Service: Customers and hotline staff linked via Internet

A

RBURG Remote Service (ARS) has been part of the company’s service portfolio for a number of years now and has established a place for itself as a diagnostic tool. It determines machine-specific information that can help experts at Lossburg to quickly identify problems and upload data to the machine controllers in order to efficiently rectify them. However, sensitive customer data always remains protected from unauthorised access.

lem more accurately and perform remote maintenance on the ALLROUNDERs. This not only helps with swift troubleshooting, but also saves on costs. Sensitive data remains secure

Fast checking: ARS provides ARBURG with machine-related data – provided the customer agrees.

The increasingly complex machine technology with integrated peripherals and automation means that it makes good sense to use the ARS for an increasing number of injection moulding companies. There is no need to entertain security concerns. Setting up ARS access of this kind cannot be used for the purpose of obtaining sensitive business information, such as production data. Without the permission of the customer and the provision of a corresponding IP address for access via the Internet, ARBURG Service cannot access the relevant SELOGICA control screens. Even then it is only possible to display the current status of the relevant machine by calling up the corresponding diagnostic pages. If a telephone conversation via the

10

ARBURG telephone hotline does not solve the problem, then it makes sense to ­pursue the problem via ARS. ARS provides effective help with troubleshooting This often dispenses with a visit from a service technician, which would lead to additional costs. If ARS is installed and enabled, the Service technician can display the relevant diagnostic pages with the most important control parameters directly on his own monitor and check the settings in real time. By browsing through the actual values and screenshots, the ARBURG hotline staff will be able to diagnose the prob-

today 47/2011

With ARS, ARBURG offers customers a cost-efficient mix of telephone ­diagnostics and technician call-outs, enabling minor problems with the ALLROUNDERS to be resolved quickly and securely during running operation. Restrictive access means that sensitive customer data always remains protected. Prospective customers can test the tool extensively using a demo version under www.demo.arburg.com/ARS.

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Photos: 2E mechatronic

technologies in a single product. Together with KaVo Dental GmbH in Warthausen, the first of these new lighting elements was developed in just six months, reaching mass production in January 2010. MID LED lighting elements are in demand throughout the world The numerous advantages of the MID LED lighting element have attracted a great deal of worldwide interest from the medical, automotive, industrial electronics and automation sectors. These advantages include low energy consumption, longer service life, customised colour spectrum design, optimum light focusing thanks to the integral lens, higher luminescence, ease of replacement, good reliability and miniaturisation. At present, production takes place on existing facilities. The first step involves producing the precision-moulded parts made from the laseractivatable plastic Vectra E840i LDS on a hydraulic ALLROUNDER 220 S, which operates with a 15 mm screw. The bases are then lasered and metallised in order to pro-

12

duce the circuit structure. Resistors and LEDs are inserted by means of an SMD machine and are subsequently soldered in a lead-free process during the vapour phase. The last production step involves the assembly of the base, lens and housing, followed by a functional check. “We also intend to automate the production of the MID LED lighting elements as soon as we reach the appropriate unit volumes,” explains Uwe Remer. High-volume production of yaw sensor housings for ESP® systems has been ongoing since 2005. 2E produces the housing for Bosch, which processes it further and then supplies it to numerous motor vehicle manufacturers throughout the

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Uwe Remer (top right) relies on expert networks. A successful example is the MID LED lighting element (above and below) for dental technology (photo on page 11).

world. Several million of these precision housings were produced in 2010. As these are safety-related components, a zeroerror strategy is pursued. “We’re one of the few manufacturers who are able to guarantee the very high precision and reliability required throughout the product life cycle,” says Uwe Remer with a smile, referring to the performance of his company and the high level of trust shown by Bosch. The housings are manufactured fully automatically, with four production cells running in three shifts. The production sequence can be broken down into the following stages: The contacts, which are supplied on conveyor belts, are bent, separated and stamped out,

CUSTOMER REP ORT

Large-volume series production of complex yaw sensor housings for ESP® systems ­(below) is highly automated (above).

The right solution for every requirement

­ efore being inserted into the two-cavity b mould together with the metal bushes and encapsulated with PBT. Next, a robot ­removes the finished housing and places it in an inspection station. The parts that pass inspection are automatically placed in the transport packaging, while the ­rejected parts are removed. These systems were designed in conjunction with a local special machine manufacturer. “The vertical ALLROUNDER T 1200 with three-station rotary table proved to be the most suitable injection moulding machine for these products,” comments Uwe Remer, who chose ARBURG for his company’s injection moulding processes right from the start.

In addition to the extensive range of vertical machines from ARBURG that meet all of 2E’s requirements, he also values the reliability of the machines and the service offerings. “Because we run a three-shift operation, machine reliability is crucial for us. This is particularly true when we need to run a machine seven days per week for several months, as happened in 2010.”

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INFOBOX Founded: 1982 Rolf Hiller GmbH, renamed 2E mechatronic GmbH & Co. KG in 2002 Production area: 3,000 m² Employees: approx. 70 Turnover: 10 million euros (2010) Machine fleet: Nine ALLROUNDERs covering a clamping force range from 150 to 800 kN, including vertical machines with work-piece circulation ­systems and rotary table machines with three stations Certification: DIN ISO/TS 16949, ISO 9001 and ISO 14001 Products: MID products, sensors, ­housing, connectors Industries: Automotive (main focus), industrial electronics, medical techno­ logy, automation, renewable energies Contact: www.2e-mechatronic.de

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PROJECT

Photo: Sonceboz

From the preheating station (top left), the inserts are transferred from the robotic system to the alignment station (top right) and then into the mould (bottom left). Following the assembly of further components, the housing section for the valve control (bottom right) is ready for installation.

The key players at Sonceboz are extremely positive in their attitude to cooperation with ARBURG in developing such demanding projects. Philippe Nicolas comments, “ARBURG convinced us both with its ALLROUNDERs and with its overall systems. We are very satisfied with the precision, stability and reproducibility of the processes. This is attributable in no small measure to the detailed FMEA analyses carried out prior to system design. The Run@Rate certification, which is extremely important in the automotive sector, was 88 percent, with 85 percent being the required optimum. The high level of mutual understanding and solution-oriented co-operation between the mould maker, the Swiss subsidiary and ARBURG’s Project Department, as well as Sonceboz as the client means that we also intend to pursue this successful cooperation into the

18

f­ uture.” These comments have already been substantiated through the purchase of three more electric ALLDRIVE machines.

INFOBOX Founded: 1936 as a family company, Sonceboz SA Locations: Headquarters in Sonceboz (Switzerland), MMT in Besançon (France), Sonceboz Corp. in Ann Arbor (USA) Products: Actuators, motors and complete components for complex environments, such as automotive and medical technology Employees: 860, 110 of whom are employed in Development Turnover: 140 million euros in 2010 Production/year: Approx. 35 million motors Contact: www.sonceboz.com

today 47/2011

SERV ICE

Fast delivery, worldwide Advantages of central manufacturing: spare parts distribution as an example

O

ne of the key elements of ARBURG’s corporate philosophy is the manufacture of all its injection moulding technology at the central production location in Lossburg. This is the only way to ensure consistent quality and reliability “Made by ARBURG – Made in Germany”. This is evident in spare parts service, for example. The central production of machines and peripherals is no longer a disadvantage in today’s highly networked world. On the contrary, the manufacture of high-tech products at a single location has a number of clear advantages. The logistical advantages go hand-in-hand with compliance with a consistently high quality standard that can be most effectively monitored at a common production site. Transport times? Not a problem Moreover, worldwide transport times are becoming less and less important. Today, even the biggest loads can reach their destinations in any part of the world in a very short time. ARBURG sees this as confirmation of its policy of manufacturing exclusively at its parent factory in Lossburg. Together with the high level of in-house production of around 60 percent, this yields a comfortable situation for customers. A clear example is the supply of spare parts. An availability of over 90 percent

ensures that each spare part required for the current range of machines and peripherals can be shipped immediately. Comprehensive order ­tracking The ARBURG Spare Parts Service is fast and reliable, particularly thanks to comprehensive, computer-integrated processing and tracking of all orders, from telephone and Internet orders to delivery and, thanks to tracking, even right up to the installation site. Provided the relevant parts are available, orders received at ARBURG’s headquarters before 3.00 p.m. are shipped on the same day. First, the customer places his order by phone or using the ARBURG Internet application. If the purchaser provides an email address, he will receive automatic notification from ARBURG as soon as his consignment is ready to be shipped. This shipping confirmation also includes a tracking number with the required shipping service provider. This number ensures the global traceability of the consignment with the large, internationally active shipping companies via the Internet. Werner Baiker, a member of the export and shipping team, explains, “The service works smoothly on a global basis and offers the necessary transparency and reliability of spare part supply. However, it also helps us

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Perfect logistics: spare parts and service technicians arrive at customer’s premises at the same time.

to ensure the timely deployment of service technicians. This is because consignment tracking ensures that the necessary personnel is available at the injection moulding company at precisely the moment that the spare part arrives.”

19

Together we’re Formplast: Successful entry into compression

I

n order to distinguish itself from the bulk of suppliers, Formplast Purkert GmbH in the Czech Republic focuses on the production of sophisticated plastic parts. It also builds the necessary moulds in-house. The company places great emphasis on the transfer of knowledge. And Formplast’s success proves it right. With the support of ARBURG’s injection moulding experts, it has optimised the compression injection moulding of LED lenses, for example, making part production more reliable and efficient. Formplast brings together a wide variety of expertise under one roof and produces complex components that require sophisticated processing. “Our strengths lie in the metallisation of plastic parts and in the injection moulding of optical components,” explains Formplast’s owner and managing director, Zdenek Purkert. The latter include fibre optics and transparent polycarbonate LED lenses, for example, as used for the high beam, low beam and daytime running lights in motor vehicle headlamps. Most of the components are produced on ALLROUNDERs. According to Zdenek Purkert, the major advantages of ARBURG machines, besides top-class technology and expert service, are open communi-

20

cation and, above all, the excellent transfer of knowledge, “When we face new applications or projects, we receive excellent support from the injection moulding ­experts at ARBURG. We are currently using eight special production cells, all of which we designed and manufactured ­together with ARBURG.” The flexible and uncomplicated nature of this co-operation is demonstrated perfectly in the production of LED lenses. Problems with thick-walled optical parts resolved Previously, Formplast produced these thick-walled optical parts using conventional injection moulding. But here, two problems arose repeatedly: sink marks, which diminished part quality, and broken ejectors, caused by the high injection and holding pressure at the material injection point in the delicate base. This resulted in unproductive downtimes and – in the worst case – failure to achieve the required production volumes. An invitation by the Czech ARBURG sub-

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Photos: Formplast

sidiary to a seminar in Brno on compression injection moulding therefore came at just the right time. One topic covered during the seminar was protection of the ejector assembly as a significant advantage during the compression injection moulding of LED lenses. Because pressure is evenly distributed onto the large cavity surface at the front and is lowest at the rear where the ejector is located, breakages are prevented. Operating reliability is correspondingly high. Formplast was quickly convinced that compression injection moulding was the way of the future and would promote the advancement of the company. Using a

CUSTOMER REP ORT

Photo: Yurok Aleksandrovich

e better moulding of LED lenses in the Black Forest with the mould in the luggage compartment. Once they had ­arrived, the mould was first analysed, then the spring characteristics were determined in a dry run.

Formplast uses its ALLROUNDERs (centre right) to produce parts such as LED lenses for car headlamps (above). Zdenek Purkert (centre left) is delighted that compression injection moulding can now be used for this process.

Reliable prevention of sink marks

schematic diagram from the seminar, the pragmatic, experienced mould-making professionals had produced a complete 8-cavity mould for LED lenses within five months. They decided in favour of a compression mould with a spring-loaded ­cavity frame. However, when testing the mould, Formplast was disappointed to find that it did not operate correctly. The moulded parts were overfilled. Following a brief telephone diagnosis by ARBURG expert Rolf-Uwe Müller, Formplast installed new springs within a single day and immediately drove some 750 km from Bystřec in the east of the Czech Republic to Lossburg

“As soon as we switched from injection moulding to compression moulding, good parts immediately came out of the machine,” enthused the Formplast mould makers. The heights of the mould insert also had to be adjusted, in order to reliably avoid sink marks. So, a mere three weeks later, along came the order for an ALLROUNDER 370 S with a clamping force of 600 kN and size 100 injection unit – with special compression injection moulding equipment, of course. Formplast also ordered a position-regulated screw and an external measuring system for a mouldbased compression stroke sensor. This compression injection moulding machine has now been in operation, producing LED lenses around the clock since the beginning of 2011. Since then, Formplast has already brought other moulds for optical parts into operation. This fruitful co-­ operation is certain to continue long into the future.

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INFOBOX Founded: 1991, as a design office Locations: Two production facilities in the Czech Republic Employees: 300 Industries: Automotive, electronics, technical injection moulding Corporate divisions: Optical parts, technical parts, in-house mould making, coating, unit assembly Machine fleet: around 50 injection moulding machines, of which 37 are ALLROUNDERs with clamping forces from 400 to 4,000 kN Contact: www.formplast.cz

21

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We drive EDRIVE: An addition to our electric machine range that enables a wide range of applications. Invest in modern electric injection moulding machines. With great technology at a competitive price. In order to reliably make money with high quality products. The new EDRIVE series:

ARBURG GmbH + Co KG Postfach 11 09 · 72286 Lossburg Tel.: +49 (0) 74 46 33-0 Fax: +49 (0) 74 46 33 33 65 e-mail: [email protected]

www.arburg.com

energy-efficient, precise, high-performance. A machine for everyone!