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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

Building of 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

Rolf Leitner

Regional Sales Manager

Tel.: +41 (0) 79 422 3348

rolf.leitner@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

DC-Motors for linear positioners

Ultra-fine motion control in the production of high-purity crystals and in focusing, scanning, adjustment, inspection and measurement tasks in the sub-μm range demands highly accurate, reproducible movements. The conventional approach to this is to run the object being measured past a measuring probe or actuator on a linear positioner. Piezo drives are known for their capacity to deliver ultra-fine stepwidths, but unfortunately their dynamism is insufficient to transport the payload into the work area. The traditional solution too – by which these very low speeds are attained at very low resolutions based on multi-stage, wide-stepped, play-free reduction gearing – means minutes of approach work to reach the measuring position. But long setup times cost money. Precision movement specialist Feinmess Dresden GmbH has now come up with a patented solution for this dilemma. The fast non-precision transport is provided by a geared DC drive, with the fine adjustment then being handled by a highprecision piezo motor. In cooperation with FAULHABER, the drives were optimized to perform this combination of tasks in harmony.

Time is money

Ultra-small scale motion involves different principles than those on which normal positioners operate. Because of the short distances covered, the key factor in terms of positioning time is not the maximum speed of the drive but the acceleration and deceleration time and the span of the mechanical excursion of the overall setup. So to improve the dynamism of the positioning process, those three factors have to be paid special attention. The precision measurement specialists delivered the solution by „splitting“ the task, with a tailored drive solution provided for each type of movement. The best solution for housing two drives on a linear positioner is a ball screw drive unit. A drive can be placed at each end of it. The positioning system produced in this way can also be fitted with extra components to enhance efficiency in many applications. And there is another advantage: there is theoretically no limit to the feed length; the spindle can be made as long as required. This also enables larger measurement objects with multiple measuring points to be processed rapidly in one clamping operation. By contrast, conventional (stacked) piezo drives are restricted to just a few millimetres of positioning width.

DC-Motors for linear positioners

Utilizing natural properties

A good solution means achieving maximum benefit at minimal cost. Even high-tech solutions can be implemented with relatively simple components – you just have to know how. For fast positioning in high-speed mode, for example, a conventional brush motor with rotary encoder connected to the shaft by a bellows coupling is adequate as the drive element. Since its runs for a relatively short time, the heat input by the motor is negligibly low. Depending on the spindle pitch used, a speed range from 0.5 mm/s to 100 mm/s is practicable. This corresponds to the value for „rough positioning“ in many standard solutions. After switching to high-precision mode the special feature of the new solution becomes clear: In positioning mode, the system switches powerlessly – so with no heat input – to the drive featuring a rotary piezo motor at a speed of 0.5 mm/s by way of a permanent magnetic coupling. At rest, the drive then works as a passive spindle brake, damping oscillation and preventing unwanted movement of the positioner system. A high-resolution linear measuring system continuously records the movement and transmits the information to the motor controller. In this way, the drive moves the linear positioner in highprecision mode at a speed of 0.00002 mm/s to 0.15 mm/s – that is to say, a minimal 20 nm per second! The speed constancy at the bottom end of the range is only dependent on the resolution of the linear scale used. The repetition accuracy is <100 nm. The speed range of the positioning system can attain a ratio of over a million to one between maximum and minimum based on the task-splitting technique.

Optimum movement

Precision does not have to cost the earth. Conventional precision motors with graphite commutation are suitable for use in dual-speed linear positioners. FAULHABER adapted the standard motors to the application, so saving development lead time and money. Different motors are used depending on the torque required. The 23 mm diameter motors, for example, reach around 7000 rpm and up to 16 mNm. They are specifically designed for use in conjunction with magnetic encoders. These two-channel incremental encoders are available with 64, 128, 256 or 512 pulses per revolution. Plug-in gear units are available for the 22 mm diameter motor to provide the necessary speed reduction and increase. They come in many stepped reduction ratios. FAULHABER GROUP company PiezoMotor AB in Sweden supplies the piezo rotary motor for the high-precision drive. These drives are likewise very compact, being just 32 x 23 mm (L x D) in size and weighing just 70 g. They work with control voltages in the range from 0 to 3000 Hz and reach 13.5 rpm at 2100 Hz. Their turning torque is 80 mNm, and their holding torque 90 mNm. The maximum incremental stepwidth is 0.35 mrad. A 3 mm thick, 6.5 mm long shaft provides the mechanical link to the permanent magnetic coupling or other applications. Efficiency for systems involving ultraprecise positioning in the nanometer range can be dramatically improved by the right idea. Longer strokes, higher precision and faster positioning than conventional models save users valuable production time. Despite these advantages, the new solution employs relatively simple drive components. Tried and proven miniature drive products optimized to the specific application case can usually handle even the most demanding tasks reliably.

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