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ROTEC · Measurement applications
Rolling-contact gear vibration analysis
Combine input and output shaft speeds with structure-borne sound at the roller housing to investigate paper- and printing-machine drives.
Rolling-contact drives in paper machines
Vibration in paper-machine drives can impair paper quality and interrupt paper transport. Rolling-contact drives combine rollers and cylinders, making their rotational behaviour important to the process.
Investigate vibration-related production interruptions and provide measurement evidence for the design and assessment of the drive.
Uniform motion and material guidance
Torque and motion are transferred through frictional contact. Uniform rotation helps maintain accurate material positioning and the required alignment of the rollers. This is also important in printing machines that apply several colour layers to a material.
Measurement chain and evaluation
Torsional vibration can correlate with the torque signal. Rotary encoders record speed at the input and output shafts, while an accelerometer records structure-borne sound at the roller housing.
The recorded signals are evaluated in the time and spectral domains to investigate the dynamic and acoustic behaviour of the machine.
Time-domain analysis
- Dynamic angles of twist in drive components.
- Shaft torsion.
- Shock loads during load changes.
- Drive stiffness.
Spectral analysis
- Dynamic excitation.
- Behaviour of vibration dampers and coupling systems.
- Resonances of the overall system.
- Effects of environmental conditions on natural frequencies.
- Dynamic peak loads.
Acoustic analysis
- Identify noise sources.
- Detect component resonances.
- Use specialised software functions for gearbox analysis.
Questions and answers
What is RAS, and what does the ROTEC rotational analysis solution include?
The ROTEC Rotational Analysis System (RAS) is used to analyse rotating components in mechanical engineering, automotive development, power generation and motorsport. It combines high-resolution counter-based acquisition with an angle-based approach to rotational speed measurement and analysis.
The measurement chain includes optical and magnetic speed sensors, signal-conditioning adapters, the modular RASdelta measurement system and specialised measurement and analysis software. The angle-based approach can help identify sensor vibration and other measurement influences during evaluation. ROTEC ENGINEERING supports demanding measurement tasks.
Can the measurement system and software be configured for a specific application?
RASdelta is a modular measurement front end. The source describes configurations with 8 or 16 measurement cards, selected to suit the measurement task. RAS software provides tools for analysing rotating components and complex systems without requiring users to write their own measurement or analysis programs.
ROTEC ENGINEERING can advise on application-specific measurement questions and the selection of a suitable configuration.
Does ROTEC also provide engineering and project support?
Alongside sensors, signal conditioning, data acquisition and analysis software, ROTEC provides engineering and consulting services. These include measurement-point design in CAD, component machining, sensor installation and calibration, measurement execution, data evaluation and presentation of results.
Project support can cover individual work packages as well as a wider measurement project, according to the agreed scope.
Is training available for commissioning and using a measurement system?
ROTEC offers its Training Week in German and English as well as application-specific user training. Training can combine measurement principles, a detailed introduction to the software and practical demonstration measurements in the user’s environment.
Support is also available when commissioning a new system and becoming familiar with the settings and functions of RAS software.
How can users access support and self-help information?
The Munich sales and support team serves Central Europe, supported by local partners in other markets. Partners assist with measurement technology, first-level support and sales enquiries.
ROTEC also provides a knowledge base with registration-based access to information on topics including torsional vibration, transmission error and valve train analysis. Contact the team to discuss the appropriate support route for your application.
Discuss your measurement task with ROTEC
ROTEC ENGINEERING supports measurement-system selection, installation, testing and evaluation to suit your application.
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