--- title: "Horizontal balancing machines for electric motors | Hofmann: the Original!" url: "https://www.hofmannmaschinen.com/en/business-segments/balancing-technology/standard-balancing-machines/default-8a10610810110fc673ac1ec89459baf7/" description: Our precise balancing systems for powerful and quiet electric motors. Discover our force-measuring horizontal balancing machines here, which are available as 1- to 4-station systems. date: 2024-10-29 modified: 2024-11-03 --- # Horizontal balancing machines for electric motors | Hofmann: the Original! 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[ Internship ](https://www.hofmannmaschinen.com/en/career/apprenticeship-and-studies/internship/) - [How to apply](https://www.hofmannmaschinen.com/en/career/how-to-apply/) - [News ](https://www.hofmannmaschinen.com/en/hofmann-news/) **Our precise balancing systems for powerful and quiet electric motors.** **Electric motors** are known for their high performance, compact design and quiet operation - provided they are perfectly balanced! With the increasing demands placed on electric motors, balancing is also becoming more and more crucial. Especially in noise-sensitive environments such as cars or industrial applications, smooth running, the best possible performance and the longevity of the rotors are of crucial importance. The key lies in the perfect balance. Our force-measuring horizontal balancing machines offer you the solutions to achieve this precision. Because it is often not enough to just balance individual components - only the operational balancing of the assembled motor eliminates unbalance vibrations almost completely. As experts in balancing technology, we offer you tailor-made machines that meet the highest quality standards. Our balancing machines measure and correct unbalance in several planes, both radially and axially, to ensure perfect balance. With automated correction units such as radial drilling, side milling and other processes, we guarantee efficiency and consistently high quality in your production. Our machines use sophisticated IT systems that analyze and control the balancing process in real time. This allows immediate corrections to be made and ensures complete documentation. Thanks to precise measurement technology and controlled axes, our machines achieve extremely high repeatability and therefore consistent quality in the mass production of electric motors. Together, we ensure minimal residual imbalance - for impressively quiet and powerful electric motors! **Discover our force-measuring horizontal balancing machines here, which are available as 1- to 4-station systems.** ### Radial drilling ### for precise corrections by radial drilling **Balancing machine with radial bore correction unit** Models ZB/TOK 20 - ZB/TOK 50 Balancing machine that measures the unbalance in two planes, with tangential belt drive. Equipped with a vertical drilling unit with controlled axes. ### Side milling ### with vertical balancing unit for exact corrections **Balancing machine with side milling correction unit** Models ZBK 5/UFA - ZBK 20/UFA Balancing machine that measures the unbalance in two planes, with tangential belt drive. Equipped with a vertical correction unit for side milling and controlled axes. ### Axial drilling ### the solution for double-sided drilling with two opposing units **Balancing machine with axial drilling (or/and) milling correction unit** Models ZB/TOK20/2UO-A/C/2ST - ZB/TOK20/2ST/2UO Balancing machine for electric rotors that measures the unbalance in two planes. Equipped with belt drive and an unbalance correction station for axial drilling on the sides by two opposing units with controlled axes. ### Axial drilling ### the solution for double-sided drilling with two opposing units **Balancing machine with axial drilling correction unit** Model ZB/TOK20/2UO-A/C Balancing machine for electric rotors, consisting of three stations: a loading & unloading station and an unbalance measuring station. The unbalance measurement is carried out on two levels with belt drive and an unbalance correction station for lateral axial drilling by two opposing units with controlled axes. ### Axial drilling ### the solution for double-sided drilling with two opposing units **Balancing machine with two axial bore compensation units** Model 2ZBK100/2UFO/C Balancing machine that measures the unbalance in two planes with belt drive. Equipped with two opposing axial drilling units for balancing on both sides and with controlled axes. ### Axial drilling ### the solution for double-sided drilling with two opposing units **Balancing machine with correction by adding known masses** Model ZBK 20/2ST Two-station balancing machine with an unbalance measuring station separate from the correction station and with automatic movement of the parts. The measuring station, which measures the unbalance in two planes, is equipped with a tangential belt drive. The correction plates are mounted in the correction station with a vertically positioned part and fixed by clinching. ### Angular drilling ### Ideal for balancing generator rotors by precise helical drilling **Balancing machine with correction by helical drilling** Models ZB/TOK20/TC/4ST - ZB/TOK20/6ST A multi-station balancing machine for automatic balancing of AC generator rotors by helical drilling. Equipped with a multi-axis gantry loader that allows the parts to be transported to the various stations. 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