Our services include
- Concept development
- Design engineering
- Manufacturing
- Documentation
Application areas
- Test benches for all development phases
- Rack units for seamless integration into your production lines
MAGNETIC FIELD MEASUREMENT
in Seconds – For Greater Efficiency and Quality
Anyone developing or assembling electric motors knows: Magnetic imbalances and NVH irregularities can become costly if detected too late. Therefore, the precise measurement of magnetic fields is a key component of modern test systems — especially in series testing and the development of electric machines.
We provide the solution
Our test benches analyze the magnetic field of rotors and stators within seconds – cycle-time optimized, fully automated, and with 100% output control.
Whether it’s design validation, prototyping, or quality assurance – our systems integrate seamlessly into any production environment and help identify anomalies early on while optimizing processes.
The result: Higher production yield, improved quality, and maximum efficiency — precisely tested with systems from Koob.
Learn more here: Why measure magnetic fields?
Failure analysis
In addition to graphical and mathematical analysis, we are able to draw conclusions about the cause from the captured signature – thus offering you a decisive advantage for your process and procurement optimization.
Together with you, we identify potential sources of failure in your product and determine the relevant disturbances in the production environment. We then simulate and analyze the failure pattern and develop a concept for the sustainable elimination of the cause of the failure.
Learn more about error prevention here: FMEA
Our Sensors and Modules
SENSOR ARRAY
Scans the test object over the entire surface in just a few rotations — extremely fast yet highly precise.
Details
- Cycle time: 8s – 15s
- Fault localization even in multilayer embedded magnet structures
- Multi-Rotor-Design-Measurement (array length = max. part length)
- for testing of AFM, PSM, EESM and Linear motors
SINGLE SENSOR
DAkkS–calibratable single sensor for ultra high-resolution scans.
Details
- Cycle time between 30 seconds and 5 minutes at lowest and highest resolution, respectively
- Error localization even in multi-layer embedded magnet structures
- Suitable for PSM, EESM, and AFM rotors
3D SCANNER
For precise geometric analysis of your components — from length inspection and component presence detection to concentricity testing
Details
- Innovative 2D/3D laser profile sensor
- Integration into magnetic field test bench with simultaneous execution of magnetic field measurement possible
- Position-accurate correlation of magnetic field and geometry data
- Various resolutions available in X and Z directions
Slip Ring & Carbon Brushes
For power supply to externally excited rotors
Details
- Adjustable excitation current, ambient temperature, and brush pressure
- Detection of brush sparking (“brush fire”) and brush temperature
- Lifetime testing
- High-speed and endurance tests up to 24,000 rpm
OUR TEST BENCHES
Customized Solutions and Mobile Standard Test Benches
We develop our test benches precisely according to your requirements — from selecting suitable sensors to optimally combining the modules. This ensures you receive a system perfectly tailored to your testing tasks.
We also offer compact, mobile standard test benches — ready for immediate use and ideal for flexible applications.
MOBILE TEST BENCH
For Development, Prototyping, and Small Series Production
Details
- Automatic PASS/FAIL evaluation
- Magnetic imbalance analysis for each individual pole
- Mobile design, optimized for crane loading and industrial handling
Options
- Sensor array or single sensor
- 3D scanner
- Programmable external excitation in various current and voltage modes
- Automatic and interchangeable slip ring contact system for different rotor variants
INLINE TEST BENCH
For direct integration into the production line – either with conveyor lift-out system or robotic cell
Application
- Sensor array
- 3D scanner
- Automatic PASS/FAIL evaluation
- Magnetic imbalance analysis for each individual pole
- Fault localization even in multi-layer embedded magnet structures
- Integration into production lines
- Software setup and machine interface via PROFINET®
- Multi rotor design measurement
(array length = max. part length)
MEASUREMENT TECHNOLOGY
For machine integration. 100% inline measurement.
Application
- Cycle time: 8–15 seconds
- Automatic PASS/FAIL evaluation
- Magnetic imbalance analysis for each individual pole
- Fault localization even in multilayer embedded magnet structures
- Use in production lines
- 19″ rack unit
- Software setup and machine interface via PROFINET®
- Multi-rotor design measurement (array length = max. part length)
Software and Analysis
Our continuously growing expertise, along with increasing testing and analysis requirements, drives innovation within our existing product portfolio. All of our systems are designed to accommodate future adaptations and can be modified as needed.
Additional Services in the Field of Programming:
Data Analysis
3D Magnetic Field Analysis
We measure the magnetic field of your rotor across its entire circumference, creating a magnetic landscape. This map-like representation allows precise localization of any anomalies.
Single Pole Analysis
To further enhance the level of detail and evaluation capabilities of our magnetic field analysis, we now offer the option to isolate and examine individual poles of the rotor—without interference from neighboring poles. This enables previously unattainable methods of rotor quality assessment.
Rotor Segment Analysis
The cross-sectional view allows a comparative analysis of rotor segments, providing valuable insights into magnetization quality.
Skew Angle Detection
The more complex the magnetic configuration, the more difficult it becomes to determine the skew angles afterward. Especially with purchased components, this can be a critical factor. We measure the magnetic skew angle.
Magnetic Field FFT
As root cause analysis has become one of our key features, we now offer the option of order/NVH analysis of the magnetic field. In the event of a manufacturing defect, magnetic imbalance in the rotor can occur, leading to vibration anomalies, performance losses, and increased wear.
Runout
Analysis of rotor runout.
2D and 3D Measurement
Based on data from the 3D scan.
Measurement Report
Customized to your specific requirements.
Services
Don’t want to invest in your own test bench but still want to measure the magnetic field of your products and save real money during product development?
We test and evaluate your products quickly and easily — and are happy to do so directly on-site at your facility.
With our flexible testing system, we can quickly measure and analyze your rotors, identify and sort out defective parts, and help prevent unnecessary failures. Measurements can be performed either in our test lab or directly on-site using our mobile test benches. With our services, you can
Application Areas
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Get in touch now →
As a full-service provider, we offer you tailor-made solutions in test bench construction as well as in design and development. In our modern production facilities, we create innovative, high-quality products that are individually tailored to your requirements.
Benefit from our expertise and many years of experience.
Our services include
Application areas
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Get in touch now →
Do you already have digital measuring devices or test systems but lack the appropriate software to evaluate the data? Or is your software outdated and no longer supported? Have your hardware or production systems evolved, but your software can no longer meet the increased demands? We develop software that is precisely tailored to your specific requirements.
We offer
Application areas
Benefit from our expertise for comprehensive, future-proof solutions. |  |
Get in touch now →
We offer
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Get in touch now →
High-precision contract manufacturing in CNC milling, aluminum profile construction, and FDM 3D printing — from single parts to series production of several thousand units per year. Thanks to a seamless CAM workflow, automated saw unit, and a well-coordinated team, we deliver reliably, efficiently, and precisely according to customer specifications — at express speed.
For more information, please visit the website of our CNC department: www.koob-cnc.de
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Our Services
Contract Measurement
Don’t want to invest in your own test bench but still want to measure the magnetic field of your products and save real money during product development?
We test and evaluate your products quickly and easily — and are happy to do so directly on-site at your facility.
With our flexible testing system, we can quickly measure and analyze your rotors, identify and sort out defective parts, and help prevent unnecessary failures.
You’ll receive a 3D model of your test object’s magnetic field, along with the corresponding measurement data for comparison with your simulation.
Measurements can be performed either in our test lab or directly on-site using our mobile test benches.
With our services, you can
- Detect magnetic imbalances
- Determine the magnetic skew angle
- Perform magnetic field FFT/NVH analysis
Application Areas
- Product/design validation
- Prototyping phase and small batch production
- Line commissioning – detect and prevent process errors
- Sorting of defective components already manufactured
Test Bench Construction
As a full-service provider, we offer you tailor-made solutions in test bench construction as well as in design and development. In our modern production facilities, we create innovative, high-quality products that are individually tailored to your requirements.
Benefit from our expertise and many years of experience.
Programming & Software Development
Do you already have digital measuring devices or test systems but lack the appropriate software to evaluate the data? Or is your software outdated and no longer supported? Have your hardware or production systems evolved, but your software can no longer meet the increased demands? We develop software that is precisely tailored to your specific requirements.
We offer
- Custom software
- Web and Windows applications
- Database systems
- Mobile app development
- Macro programming
Application areas
- In-depth measurement data analysis
- Flexible and reliable machine communication
- Standardized interfaces:
PROFINET, PROFIBUS, ETHERCAT, CANBUS, … - Integration with production databases
- Extensive support for database systems
- Automated report generation in PDF format
Benefit from our expertise for comprehensive, future-proof solutions.
Electronics
We offer
- PCB layout
- Manufacturing of electronic assemblies
- Electronics development
- Quality control
CNC Machining, Aluminum Profile construction, 3D Printing
High-precision contract manufacturing in CNC milling, aluminum profile construction, and FDM 3D printing — from single parts to series production of several thousand units per year.
Thanks to a seamless CAM workflow, automated saw unit, and a well-coordinated team, we deliver reliably, efficiently, and precisely according to customer specifications — at express speed.
For more information, please visit the website of our CNC department: www.koob-cnc.de