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Veléz Sarsfield 201640 Martinez

Buenos Aires

Tel.: +54 (9) 11 5993 8719

Horne Technologies cc

PO Box 536

Betty's Bay, 7141

Tel.: +27 (0)76 563 2084

Edificio di FAULHABER MINIMOTOR SA, Croglio, Switzerland


Zona Artigianale 8, Madonna del Piano

6980 Croglio

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

Edificio di FAULHABER MICROMO LLC, Wien, Austria


14881 Evergreen Avenue

Clearwater, FL 33762-3008

Tel.: +1 (727) 572 0131

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

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

Edificio di FAULHABER Asia Pacific Pte Ltd., Singapore

FAULHABER Asia Pacific Pte Ltd.

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

Singapore 408730

Tel.: +65 6562 8270

Compotech Provider AP

Gustavslundsvägen 145, 4 tr

167 51 Bromma

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


56 (bldg. 32), Shosse Enthusiastov

111123 Moscow

Tel.: +7 495 2214 052

Edificio di FAULHABER Polska sp. z o.o., Poznan, Poland

FAULHABER Polska sp. z o.o.

Ul. Górki 7

60-204 Poznan

Tel.: +48 61 278 72 53

FAULHABER Malaysia Sdn Bhd

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

11950 Bayan Baru · Penang · Malaysia

Tel.: +60 4 619 2570

Swiss Amiet Co., Ltd.

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

Yeongdeungpo-gu,07217, Seoul

Tel.: +82 (0) 2 783 4774

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

Edificio di FAULHABER Italia S.r.l., Lomazzo, Italy

FAULHABER Italia S.r.l.

Via Cavour 2

22074 Lomazzo CO

Tel.: +39 0236714708

Inteltek Automation JV

S.No. 100/5, Ambegaon

Pune - 411046

Tel.: +91 (0) 20 39392150

Lewenstein Technologies Ltd.

1 Ha'arava St. Givat Shmuel

5400804 Israel

Tel.: +972 3 9780 800

Electro Mechanical Systems Ltd.

Eros House, Calleva Industrial Park, Aldermaston

Reading, RG7 8LN

Tel.: +44 (0) 118 9817 391

Edificio di FAULHABER France SAS, Montigny-le-Bretonneux, France


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

78180 Montigny-le-Bretonneux

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


Passeig Ferrocarrils Catalans 178

Cornellà de Llobregat 08940 (Barcelona)

Tel.: +34 93 422 70 33


Suokalliontie 9

01740 Vantaa

Tel.: +358 (0) 9 5259 230

Routech s.r.o.

Dr. Milady Horákové 185/66

460 06 Liberec

Tel.: +420 489 202 971

Compower ApS

Marielundvej 29

2730 Herlev

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

Marte Científica e Instrumentação Industrial Ltda

Av Fco Andrade Ribeiro 430

37540-000 Santa Rita do Sapucai, MG

Tel.: +55 (11) 3411 4500

Edificio di FAULHABER Benelux B.V., Eindhoven, Netherlands


High Tech Campus 9

5656 AE Eindhoven

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

Edificio di FAULHABER Austria GmbH, Wien, Austria


Modecenterstraße 22/C89

1030 Wien

Tel.: +43 1 7963149-0

ERNTEC Pty. Ltd.

15 Koornang Road

Scoresby, VIC 3179

Tel.: +61 3 9756 4000

Fax: +61 3 9753 4000

Edificio di Dr. Fritz Faulhaber GmbH & Co. KG, Schönaich, Germany



Faulhaberstraße 1

71101 Schönaich

Tel.: +49 7031 638 0

Fax: +49 7031 638 100

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Edificio di FAULHABER Drive System Technology (Taicang) Co., Ltd.,Taicang, China

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

Jan-Christopher Mohr

Area Sales Manager

Tel.: +49 (7031) 638 158

Michael Schütte

Area Sales Manager

Tel.: +49 (7031) 638 456

Daniel Brönnimann

Area Sales Manager

Tel.: +41 (0) 79 570 0814

Rolf Leitner

Regional Sales Manager

Tel.: +41 (0) 79 422 3348

Rafael Steinemann

Area Sales Manager

Tel.: +41 (0) 79 932 1645

Motori passo-passo in telescopi giganti per sistema di posizionamento in fibra ottica

Not every scientist can afford a giant telescope. On the other hand, anyone can develop ingenious ideas. Therefore, data from telescopes is becoming increasingly accessible to all interested scientists around the world. China has also been contributing to the "collection of knowledge" – with LAMOST (Large Sky Area Multi-Optic Fibre Spectroscopy Telescope). Technically speaking, the principle of the telescope is very well established, based on the ideas of the Schmidt telescope. In this case, the collected photons are transferred over 4,000 individual optical fibres to the spectral analysis system. For the precise setup of the fibres, the engineers have relied on the expertise of the Swiss manufacturer FAULHABER PRECISTEP SA.

Motori passo-passo in telescopi giganti per sistema di posizionamento in fibra ottica

Giant telescope

The larger the optics are, the larger the amount of collectible incident light. In the case of LAMOST, the first mirror has a ­diameter of 4 m. The light is then focused on a second mirror 20 metres away and reflected from there to the analysis unit. This unit contains 4,000 individual optical fibres, which then transfer the light. The mirrors and optical fibres are designed to transmit all light within wavelengths ­between 370 and 900 nm. In other words, the telescope has sufficient sensitivity ­ranging from ultraviolet to infrared. In order to be able to evaluate the ­incident and gathered light in a useful way, it has to be measured exactly at the location in the detector that corresponds to the actual position in the sky. Thanks to flexible optical fibres, one is no longer bound by rigid optical limitations. On the other hand, this creates the problem of exact mapping and adjustment. The ­solution was a combination of 4,000 ­single, flexible optical fibres. These can be individually adjusted by precision motors. One major problem within this area is size: the drives have to be as small as possible. After all, the laboriously collected light has to be concentrated on the smallest possible area and with high luminance in order to analyse and recognise even the smallest, weakly illuminated objects. The key to solving this problem was provided by the stepper motor specialists of the FAULHABER GROUP. Backlash-free ­precision miniature drives are a trademark of this company, which can draw on decades of expertise in the construction of micro-drive systems and even longer experience in clock-work production

Motori passo-passo in telescopi giganti per sistema di posizionamento in fibra ottica
[Translate to Italian:] Modern Schmidt telescope in China provides precision measurements in astronomy
Motori passo-passo in telescopi giganti per sistema di posizionamento in fibra ottica
[Translate to Italian:] The parallel controllable optical fibre positioning system allows a simultaneous adjustment of the fibres

Precise and durable mighty minis

Each single fibre strand is divided into two separately adjustable axes. This requires two drives for each, totalling 8,000 individual drives. Given the high quantity and compact packing of the drives, only 10 mm "thick" including the gears, maintenance or replacement would, of course, be extremely difficult. The ­"control cable" alone consists of over 32,000 individual strands and measures about 30 cm in diameter. In addition to the required utmost precision, the ­engineers placed particular emphasis on long-lasting reliability – without the need for subsequent intervention. This is made more difficult by operational conditions that often involve no change in the adjustment for an extended period of time but may then require specific minute movements. Thanks to experience in the ­mechanical telecommunications sector with similar requirements for precision stepper motors, the FAULHABER GROUP was able to meet this challenge without any problems – by deploying standard products. Owing to the low-wear bearings used in the motor and gears, in conjunction with optimised lubricants and backlash-free planetary gears, the overall solution delivers superior precision and outstanding reliability. Today‘s mega structures are often dependent upon the reliability of miniature drives, especially in the field of optical alignment for measur­ing devices, sensors and other precision applications. Backlash-free micro-drives are the method of choice, providing the basis for reliable computerised settings of parameters. Just as in the "big world", small-footprint precision drives are the reliable link between electronics and mechanics.

Motori passo-passo
Azionamento di posizione economico senza encoder
Alta densità di potenza
Accelerazione molto elevata
Possibilità di cambiare direzione estremamente veloce
Ampio intervallo di temperature di esercizio
Possibilità di funzionamento a passo pieno, mezzo passo e micropasso
Momento d'inerzia del rotore estremamente basso

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