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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

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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

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Rafael Steinemann

Area Sales Manager

Tel.: +41 (0) 79 932 1645

Brushless motors in Laboratory Automation Grippers

Testing and vaccines provide the way out of the coronavirus lockdown and a gradual return to normality. But the measures introduced by the authorities to contain the pandemic were quickly exhausted. Because the exponential spread of the virus led to a soaring global demand for tests and vaccines. In the beginning, the capacities were insufficient, and the wait for test kits and vaccines really put the patience of the world to the test.

Laboratory automation against Covid-19

The pharmaceutical industry, medical technology, and medical laboratories did actually work extremely quickly. This also applies to the expansion of production and to the increase of testing capabilities. A key factor in this success was automation. In laboratories, the pandemic proved to be a major impetus for automation. Automatic laboratory devices and universal, flexible robots can relieve specialists of a great deal of work and increase both throughput as well as efficiency. The automatic gripping and handling of samples, pipettes, or reagents is among the central, constantly recurring process steps here. For this purpose, delicate, industrial small parts grippers are required.

Two different technologies are generally available for gripping, explains product manager Maik Decker, who is responsible for this area at the southwest German manufacturer Zimmer Group: "Up until now, most grippers in industry have been powered pneumatically, i.e., with compressed air. This technology is, however, not suitable for the hygienic environments required in laboratories, in medicine and in the pharmaceutical and medical technology industries. Grippers with electric drive are therefore used in these areas."

Brushless motors in Laboratory Automation Grippers

Electric motor makes grippers flexible

In addition to the hygienic aspect, these grippers have another advantage: they function without a compressed air system and the associated lines. In some industrial sectors, these are standard equipment in production facilities – electricity is, after all, available everywhere. Besides, the machines in which the grippers are installed operate with electric power. An electrical connection is much easier to install than a compressed air supply. Moreover, the control of electric components is both simpler and more flexible than working with pneumatics. "We see a clear trend toward the electric drive, not least in the automotive industry," explains Maik Decker.

New products from the Zimmer Group, such as the new GEP2000 series, serve and consolidate this trend. The small parts gripper can – depending on the version – grip and hold components weighing up to five kilograms but can likewise handle delicate and sensitive parts such as a test tube without problem. "The advantages of the electric drive also include the ability to adapt the gripping force to various objects at any time," explains Volker Kimmig, team leader for software at the Zimmer Group. "With the appropriate controller, the gripper can switch between different parts during a running process."

10 million cycles without maintenance

The power for these work steps is supplied by a brushless DC-servomotor of the BX4 series from FAULHABER. In addition to a high torque, the strengths of the four-pole drive include its low vibration and low noise, compact design and a long service life. "We guarantee that this product will perform over 10 million cycles without maintenance," says Volker Kimmig. "This is, of course, only possible with a motor of very high quality." Such a motor must also provide a number of additional features to meet the demands of continuous operation in a typical pick-and-place application.
The development engineer uses the production of car keys as a good example: "Large quantities and high throughput set the tone here. The gripper robots work under very high-paced, permanent stress with short cycle times. The motor must therefore start and then stop again at very short intervals. Decisive here is the motor's acceleration, as every tenth of a second counts in the process as a whole. Moreover, the motor needs to be able to efficiently dissipate the heat that forms in such an operation in order to eliminate the possibility of overheating."

Brushless motors in Laboratory Automation Grippers
Brushless motors in Laboratory Automation Grippers

Proven collaboration

The gripper experts from the Zimmer Group knew, not only from the data sheet, that the BX4 from FAULHABER would satisfy these requirements. They had previously installed motors of this series in their GEH6000 gripper family. Essentially, this so-called long-stroke gripper works in the same ways as the small parts gripper. Its stroke, i.e., the distance between the open and closed position of the gripper jaws, is significantly larger and can be up to 80 millimeters.
"The device can thus cover a wider range of different-sized target objects in the same process," explains Maik Decker. "The smaller GEP2000, on the other hand, can also perform its work in very confined conditions. Of course, this only functions with a motor that delivers very high power in a very small space."

Mechanical self-locking

The gripper series have one special feature in common with other Zimmer Group products: The motor power is transferred to the jaws by a worm gear drive with a steep pitch. Even in the event of a power failure, the gripping force is retained and the respective position held. Once gripped, a work piece is held securely by this mechanical self-locking function, without an additional device such as a brake being required.
The drive electronics in the two gripper types operate slightly differently. With the GEH6000, the encoder signals of the drive are used for positioning the jaws; with the GEP2000, this task is performed with the help of a positioning sensor. Both solutions achieve a very high degree of repeatability: the specified path of the jaws is reproduced to within one five hundredths.
"In many applications, the prepositioning when lowering the gripper to the target object is very important," explains Volker Kimmig. "In constrained spaces, the open position is often only allowed to be very slightly larger than the closed position. When "maneuvering" a robot arm in a complex environment, it may also be necessary to make very precise presettings. We do this using very precise electromechanics, where the motor once again plays a crucial role, as well as with a flexible data connection. Our devices can be equipped with IO-Link and with digital I/O. This makes it easy for them to move in and back out again just about everywhere."

High torque and speed rigidity thanks to 4-pole technology
Position control in extremely confined installation spaces thanks to optional analogue Hall sensors
Modular, diameter-compliant mounting concept for high-resolution magnetic and optical encoders
Versions with integrated Speed or Motion Controllers available
High reliability and long service life
Dynamically balanced rotor, quiet running

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