A detailed explanation of the effects of introducing speed and multi-faceted methods, as well as ultra-precise balancing techniques.
This technical document introduces a new balancing correction method for high-speed spindles. In February 2002, we successfully commercialized the "Field Balancer" incorporating the multi-speed and multi-plane method. As a result, we reduced vibrations across the entire operating range to less than one-fifth of that achieved by conventional technology, and further shortened the balancing time to less than one-eighth. Here, we will discuss the effectiveness of the multi-speed and multi-plane method and provide application examples. [Contents (partial)] ■1. Introduction ■2. Classification of Rotors ■3. In high-speed rotation, rigid rotors transform into elastic rotors ■4. Dangerous speeds of elastic rotors and their drawbacks ■5. Conventional balancing correction methods *For more details, please refer to the PDF document or feel free to contact us.
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【Other Published Content (Partial)】 ■6. Issues and Limitations of Constant Speed Balancing ■7. Development of Multi-Speed and Multi-Surface Methods ・7-1 Background Leading to Development ・7-2 Multi-Speed and Multi-Surface Methods ■8. Effects of Introducing Speed and Multi-Surface Methods ■9. Challenges in Balancing High-Speed Spindles ■10. A New Balancing Method to Suppress Three-Dimensional Vibrations ■11. Ultra-Precise Balancing Method Using Non-Contact Displacement Sensors ■12. Balancing Test Machine Applying Multi-Speed and Multi-Surface Methods ■13. Balancing of Automotive Turbochargers ・13-1 Conventional Balancing Correction Methods ・13-2 Balancing Method Introduced with Multi-Speed Method ・13-3 Effects of Introducing Multi-Speed and Multi-Surface Methods ・13-4 Samples Approximately 7 Times the Allowable Value *For more details, please refer to the PDF document 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.
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