Carrière Press Inkoop
Carrière Press Inkoop

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GPC Y ASOCIADOS S.A.

Veléz Sarsfield 201640 Martinez

Buenos Aires

Tel.: +54 (9) 11 5993 8719

info@gpcasoc.com.ar

Horne Technologies cc

PO Box 536

Betty's Bay, 7141

Tel.: +27 (0)76 563 2084

info@hornet.cc

www.hornetechnologies.co.za

FAULHABER MINIMOTOR SA

Zona Artigianale 8, Madonna del Piano

6980 Croglio

Tel.: +41 (0)91 611 31 00

info@faulhaber.ch

Gebouw van FAULHABER MICROMO LLC, Wien, Austria

FAULHABER MICROMO LLC

14881 Evergreen Avenue

Clearwater, FL 33762-3008

Tel.: +1 (727) 572 0131

marketing@micromo.com

www.faulhaberUSA.com

NRC Engineering & Precision Drives Co., Ltd.

17F., No. 890, Jingguo Rd., Luzhu Dist.

Taoyuan City 33858, Taiwan, R.O.C.

Tel.: +886 (0) 3-316-1838

info@nrc.com.tw

www.nrc-precidrives.com

EDEL Teknoloji Sistemleri Sanayi ve Ticaret Ltd.Şti

Folkart TowersAdalet Mah.Manas Blv. No:47B/2809

35530 Bayraklı/İzmir

Tel.: + 90 232 215 08 91

info@edelteknoloji.com

www.edelteknoloji.com

FAULHABER Asia Pacific Pte Ltd.

Blk 67 Ubi Road 1, #06-07 Oxley Bizhub

Singapore 408730

Tel.: +65 6562 8270

info@faulhaber.com.sg

Compotech Provider AP

Gustavslundsvägen 145, 4 tr

167 51 Bromma

Tel.: +46 (0) 8 441 58 00

info@compotech.se

www.compotech.se

MICROPRIVOD Ltd.

56 (bldg. 32), Shosse Enthusiastov

111123 Moscow

Tel.: +7 495 2214 052

info@microprivod.ru

www.microprivod.ru

FAULHABER Polska sp. z o.o.

Ul. Górki 7

60-204 Poznan

Tel.: +48 61 278 72 53

info@faulhaber.pl

Staubo Elektro-Maskin a.s.

Bjørnerudveien 12C

1266 Oslo

Tel.: +47 22 75 35 00

post@staubo.no

www.staubo.no

FAULHABER Malaysia Sdn Bhd

1A-2-01 & 02 · One Precinct · Lengkok Mayang Pasir

11950 Bayan Baru · Penang · Malaysia

Tel.: +60 4 619 2570

info@faulhaber.my

Swiss Amiet Co., Ltd.

W-903, SK V1 Center, 11 Dangsan-ro 41-g

Yeongdeungpo-gu,07217, Seoul

Tel.: +82 (0) 2 783 4774

info@swissamiet.com

www.swissamiet.com

Shinkoh Electronics Co., Ltd.

Tokyo Sales Office, Motor Sales Division8F, REID-C OMORI building, 6-20-8

Minami-oi, Shinagawa-ku, Tokyo 140-0013

Tel.: +81 (0) 3 6404 1003

motor-info@shinkoh-elecs.co.jp

www.shinkoh-faulhaber.jp

FAULHABER Italia S.r.l.

Via Cavour 2

22074 Lomazzo CO

Tel.: +39 0236714708

info@faulhaber-italia.it

Inteltek Automation JV

S.No. 100/5, Ambegaon

Pune - 411046

Tel.: +91 (0) 20 39392150

info@inteltekindia.com

www.inteltekindia.com

Lewenstein Technologies Ltd.

1 Ha'arava St. Givat Shmuel

5400804 Israel

Tel.: +972 3 9780 800

info@l-tech.co.il

www.l-tech.co.il

Electro Mechanical Systems Ltd.

Eros House, Calleva Industrial Park, Aldermaston

Reading, RG7 8LN

Tel.: +44 (0) 118 9817 391

info@ems-ltd.com

www.ems-limited.co.uk

FAULHABER France SAS

Parc d’activités du Pas du Lac2, Rue Michaël Faraday

78180 Montigny-le-Bretonneux

Tel.: +33 (0) 1 30 80 45 00

info@faulhaber-france.fr

www.faulhaber.com

ELMEQ Motor

Passeig Ferrocarrils Catalans 178

Cornellà de Llobregat 08940 (Barcelona)

Tel.: +34 93 422 70 33

marketing@elmeq.es

www.elmeq.es

MOVETEC OY

Suokalliontie 9

01740 Vantaa

Tel.: +358 (0) 9 5259 230

info@movetec.fi

www.movetec.fi

Routech s.r.o.

Dr. Milady Horákové 185/66

460 06 Liberec

Tel.: +420 489 202 971

info@routech.cz

www.routech.cz

Compower ApS

Marielundvej 29

2730 Herlev

Tel.: +45 (0) 44 92 66 20

info@compower.dk

www.compower.dk

Marte Científica e Instrumentação Industrial Ltda

Av Fco Andrade Ribeiro 430

37540-000 Santa Rita do Sapucai, MG

Tel.: +55 (11) 3411 4500

motores@marte.com.br

www.marte.com.br

FAULHABER Drive System Technology (Taicang) Co., Ltd.

Eastern Block, Incubator Building, No. 6 Beijing Road West

Taicang 215400, Jiangsu Province

Tel.: +86 (0) 512 5337 2626

info@faulhaber.cn

FAULHABER Benelux B.V.

High Tech Campus 9

5656 AE Eindhoven

Tel.: +31 (0) 40 85155-40

info@faulhaber.nl

FAULHABER Benelux B.V.

High Tech Campus 9

5656 AE Eindhoven

Tel.: +31 (0) 40 85155-40

info@faulhaber.be

FAULHABER Austria GmbH

Modecenterstraße 22/C89

1030 Wien

Tel.: +43 1 7963149-0

info@faulhaber-austria.at

ERNTEC Pty. Ltd.

15 Koornang Road

Scoresby, VIC 3179

Tel.: +61 (0) 3 9756 4000

sales@erntec.com.au

www.erntec.net

Headquarter

DR. FRITZ FAULHABER GMBH & CO. KG

Daimlerstr. 23

71101 Schönaich

Tel.: +49 7031 638 0

Fax: +49 7031 638 100

info@faulhaber.de

www.faulhaber.com

Jan-Christopher Mohr

Area Sales Manager

Tel.: +49 (7031) 638 158

jan-christopher.mohr@faulhaber.de

Daniel Brönnimann

Area Sales Manager

Tel.: +41 (0) 79 570 0814

daniel.broennimann@faulhaber.ch

Michael Schütte

Area Sales Manager

Tel.: +49 (7031) 638 456

michael.schuette@faulhaber.de

Beijing Office

East 10H3 Wu Mart Huike Mansion Building, No. 158 W. 4th Ring Road North

Haidian District, Beijing 100097

Tel.: +86 (0)10 5335 9353

info@faulhaber.cn

Guangzhou Office

Room 1415, No. 5 Fuchang Road

Haizhu District, Guangzhou, 510240, Guangdong Province

Tel.: +86 (0) 20 3424 8332

Fax: +86 (0) 20 3424 8332

info@faulhaber.cn

Xi‘an Office

Room A-509, No. 318 Yanta Road South

Qujiang New District, Xi’an 710061, Shaanxi Province

Tel.: +86 (0) 29 8521 2778

Fax: +86 (0) 29 8521 2778

info@faulhaber.cn

Hong Kong Office

Unit 4, 19/F, Ricky Centre, 36 Chong Yip Street

Kwun Tong, Kowloon

Tel.: +852 3520 2078

Fax: +852 3914 7452

info@faulhaber.cn

Miniaturiseerde Motion Control-technologie voor 's werelds grootste paar 'verrekijkers'

The most powerful standalone telescope in the world will be put into operation on Mount Graham in the US state of Arizona in 2004.
The astronomers are particularly interested in setting sights on distant galactic systems, young double stars and newborn suns. In principle, this Large Binocular Telescope (LBT), which has a height of over 20 m and weighs over 600 t, is an outsized pair of binoculars. Its two reflectors each have a diameter of 8.4 m and together they make up an approx. 100 sq. m dish for collecting light. In this way it can even collect the radiation from weakly illuminated objects at the limits of the universe being observed. The interaction of the two reflectors mounted 14.4 m apart provides the telescope with a resolution that would correspond to that of a pair of binoculars having a diameter of 23 meters. Each reflector resembles a giant "honeycomb" made from borosilicate glass and weighs 15.6 t.

Miniaturiseerde Motion Control-technologie voor 's werelds grootste paar 'verrekijkers'

Interference is the key to higher-definition images

The design of the telescope and its integrated optical systems provides scientists with a high level of flexibility when making their observations. That way they can use each of the reflectors independently of one another to view the same object, but also study different objects by tilting the viewing axes slightly, or use both reflectors to observe the same object at maximum resolution. They are assisted by a physical trick:
In order to achieve the unusually high definition, the rays of light reflected by each reflector are superimposed, i.e. brought to a state of interference. Consequently, the resolution is nearly ten times better than with conventional standalone telescopes. However, the requirement that has to be met to ensure the LBT works smoothly is that individual components made in the three partner countries - the US, Italy, and Germany - interact without any problems. Furthermore, they have to operate properly at the site of use under adverse conditions. After all, Mount Graham is approx. 3,300 m high. The climate at that altitude is characterized by temperatures below freezing, a very high humidity of up to 90%, as well as extreme temperature fluctuations.

Positioning unit for interference generation

If a high-resolution image is to be created by the generation of interference, the optical assemblies that are attached to the two reflectors for bundling and superimposing the reflected light have to be positioned with an accuracy of 5 µm. For this purpose, the Feinmess company in Dresden (Germany) developed a three-axis positioning system that moves the appropriate optical system on the two reflectors of the LBT into the correct position. Horizontally, distances of up to 200 mm have to be covered (longitudinal positioning), and vertically - for focusing purposes - there are distances of up to 50 mm. At the same time the optical assembly has to be rotated through an angle of up to 36 degrees. In order to ensure the required positioning accuracy, the system has to operate with as little play as possible. That is why great importance is accorded to the drives on the spindles.
In this case, drive solutions from FAULHABER were selected. The traditional bell-type armature motor with coreless rotor coil provides an excellent basis for such fields of application. The small DC drives operate reliably even under hostile ambient conditions. They can cope with ambient temperatures between -30°C and +125°C and are not even affected by a high level of humidity (up to 98%) when specified appropriately. An important basic criterion for motor selection was also instant, high-torque starting for the DC motor after application of voltage. That ensures a direct response to control signals. The coreless copper coil allows an extremely lightweight motor design with a high efficiency of up to 80%. The motors used on all three spindles of the positioning system have a diameter of 26 mm and are only 42 mm long; at speeds of up to 6,000 rpm they provide a power output of 23.2 W.

Miniaturiseerde Motion Control-technologie voor 's werelds grootste paar 'verrekijkers'

Motor, gearhead, and pulse encoder – a compact unit

In the application described above the motors were combined with two-stage planetary gearheads that have a ratio of 16:1. Flanged to the end of the motor, their performance is extremely impressive, not only due to their compact design but also because of their steady running and durability. Gearhead backlash was optimized for use on the positioning system. Instead of the values of about 1 degree, customary on standard gearheads, these planetary gearheads have a backlash of only 12 angular minutes, measured at the output shaft.
Knowing the actual position of the motors is an essential prerequisite for precision positioning. With the positioning systems employed on the LBT it is detected at each motor by an optical pulse encoder that generates 500 pulses per revolution. Using a metal disk, a transmitted-light system generates two phase quadrature output signals. The index pulse is synchronized with output B For each of the three channels there are inverted complementary signals. The pulse encoder is fitted to the free end of the motor shaft and fixed with three screws. Supply voltage for the pulse encoder and the miniature DC motor and the output signals are connected via a ribbon cable and a 10-pin connector. Since the drive units, comprised of the motor, gearhead, and pulse encoder, are extremely compact, they are easy to integrate into three-axis positioning systems. Miniaturized motion control technology thus plays an instrumental role in enabling the LBT to open up a new dimension in astronomical research.

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