Many precautions and background knowledge, such as when installing a rotation sensor and multi-speed analysis, are included.
This technical document introduces preliminary knowledge about field balancing. It includes precautions for handling piezoelectric accelerometers, methods for selecting balancing techniques and correction factors, and a list of field balancers offered by our company. [Contents (partial)] ■1. Introduction ・1-1 Preliminary knowledge of mechanical vibrations ・1-2 Precautions for handling piezoelectric accelerometers ・1-3 Considerations when installing rotational sensors ■2. Investigating the target machine before balance correction ・2-1 Considerations for balancing rotating machinery with rotational irregularities ・2-2 Analysis of unbalanced vibrations ・2-3 Harmonic vibration analysis ・2-4 Multi-speed analysis ・2-5 Frequency analysis using FFT *For more details, please refer to the PDF document or feel free to contact us.
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【Other Published Content】 ■3. Representation of Unbalance Measurement Angles ■4. Selection Method for Balancing Methods and Correction Numbers ■5. Criteria for Selecting Test Weights during Additional Measurements ■6. Methods to Avoid Increasing Mechanical Stress (Vibration Levels) during Additional Measurements ■7. Equipped with a Component Force Correction Function Capable of Handling All Situations ・7-1 Equal Component Force ・7-2 Unequal Component Force ・7-3 Component Force Number Selection ■8. List of Our Field Balancers *For more details, please refer to the PDF materials or feel free to contact us.
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Sigma's balance measurement method features the adoption of multivariate analysis techniques for detecting imbalances, allowing for high-precision measurements across a range from low to ultra-high rotational speeds. The field balancer that incorporates this measurement method has been in use since 1985, with cumulative production exceeding 8,000 units. Furthermore, after that, we began selling more precise balancing machines and condition monitoring devices that continuously monitor rotating machinery and detect signs of abnormalities, which also utilize the aforementioned measurement method. Over 30 years since the start of balancer production, Sigma's balancers are actively used across various industries.