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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

Building of 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

Building of 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

Building of 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

Building of 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

Building of 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

Building of 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

Building of FAULHABER Benelux B.V., Eindhoven, Netherlands


High Tech Campus 9

5656 AE Eindhoven

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

Building of 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

Building of 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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Building of FAULHABER MINIMOTOR SA, Croglio, Switzerland


Zona Artigianale 8, Madonna del Piano

6980 Croglio

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

Building of Dr. Fritz Faulhaber GmbH & Co. KG, Schönaich, Germany



Faulhaberstraße 1

71101 Schönaich

Tel.: +49 7031 638 0

Fax: +49 7031 638 100

FAULHABER photo of Jan Mohr

Jan-Christopher Mohr

Area Sales Manager

Tel.: +49 (7031) 638 158

FAULHABER photo of Michael Schütte

Michael Schütte

Area Sales Manager

Tel.: +49 (7031) 638 456

FAULHABER photo of Daniel Broennimann

Daniel Brönnimann

Area Sales Manager

Tel.: +41 (0) 79 570 0814

FAULHABER photo of Rolf Leitner

Rolf Leitner

Regional Sales Manager

Tel.: +41 (0) 79 422 3348

FAULHABER photo of Rafael Steinemann

Rafael Steinemann

Area Sales Manager

Tel.: +41 (0) 79 932 1645

DC-Motors for Precision dispenser

Automatically dosing small quantities in a targeted way is no trivial matter. In fact, it demands detailed know-how and innovative strength. The specialist in precision volume dosage under the brand name preeflow®, ViscoTec Pumpen- und Dosiertechnik GmbH based in Töging am Inn, Upper Bavaria, offers both of those qualities. So as not to be continually reinventing the (drive) wheel, the dosage specialists turned to the drive experts from FAULHABER. Together, they quickly devised a robust, precise drive solution for the dosage units.

Volumetric dosage

There are a number of possible methods of dosing ultra-small quantities. Dosage by volume has proved the most simple and flexible method in practice. The substance being transported "only" has to be brought to the dosage tip by constant-flow pumps. The desired quantities are then delivered based on the known delivery quantity and time. Of course, here as in many tricky tasks, the devil is in the detail. Factors such as differing viscosities, abrasive or more smearing substances, elasticity, tendency to drip etc. must be taken into account when designing the dispenser unit. In the eco-PEN, those and other criteria are met on the basis of practical experience. The heart of the dispenser unit is a rotating, absolutely pressure-tight positive displacement system, comprising a self-sealing inner rotor and the outer stator. A controlled rotary motion of the rotor transports the medium by positive displacement. A reverser also permits the system to transport backward. This enables neat, controlled material separation with no dripping. The medium itself is transported in a non-harmful way, without altering its structure. The system is designed to be self-sealing with water up to 2 bar delivery pressure. As the viscosity increases, so does the self-sealing effect. This makes it possible to achieve dosage pressures of 16 to 20 bar without problem. This high delivery pressure in turn permits the use of smaller needle and nozzle cross-sections for finer application areas. It is also possible to apply a basic admission pressure for high-viscosity media. This means that no pressure tank is needed for self-levelling fluids. In this way, 0.15 to 16.9 ml of medium per minute can be continuously transported with just three models. If point dosage is required, a minimum quantity of 0.001 ml, 0.004 ml or 0.015 ml can be precision-placed, depending on the model. For improved maintenance and cleaning when changing media, the volume dosage units are modular in design – comprising a drive unit and the actual dispenser unit, with a separate controller for the drive.

DC-Motors for Precision dispenser
Targeted medium application with the eco-PEN dispenser unit from ViscoTec

High-torque drive

The high possible delivery pressure in the dispenser module of course means a high-torque drive is essential. Given the restricted size of the unit, the only feasible option is a miniature motor with a gearhead. Working with FAULHABER, the designers quickly found the right mini powerpack for their needs. The best value for money was offered by a brush motor with an encoder and planetary gearhead. The brush commutation provides for easy pulse width regulation and reversing. Fitting the encoder and planetary gearhead within the motor diameter allowed the design to be kept slim. The gears and motor bearings are lifetime-lubricated and maintenance-free. The integrated encoder enables precision quantity dosage and drip-free separation of the medium based on exact feedback of the drive rotor position. The gear reduction improves this resolution on the conveyor rotor of the dispenser module still further. The compact drive block, comprising the motor with the encoder and gearing, is just 22 in diameter, depending on dispenser model, while the motor is 32 mm long and the gear length is 27 to 48 mm (9 to 23014:1). The "big brother" is 26 mm in diameter and 42 mm long, with gear length from 28 to 60 mm (3.7 to 1526 :1). The motors deliver 10 mNm of continuous torque at 6 to 24 VDC, with the big ones delivering 28 mNm at 12 to 48 VDC. This torque is increased as necessary by the specific gear to the level necessary for the dispenser unit at 20 bar delivery pressure. The plug-in encoder delivers 64 to 512 pulses per revolution depending on type, so in conjunction with the gear unit this produces a fine resolution of the conveyor rotor position. A custom cable connection feeds the operating voltage and encoder signal to the control unit. Miniature drives are a space-saving alternative for many of today‘s drive applications. Power and size adapted gears and encoders are also available, enabling the drive to be integrated easily into many systems. The drive often replaces expensive, maintenance-intensive mechanical transmissions on site, or indeed makes a design concept feasible in the first place thanks to its compact size.

No cogging
Smooth position and speed control
High efficiency
Low Noise
High Torque
Low Weight
Very low rotor inertia
Dynamic start-stop operation

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