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在设计铲刮头时，不仅要研究铲刮头浮动块的静特性．而且必须要研究其动特性，使铲刮头浮动块在铲刮磁盘高点时有良好的跟随性，提高铲刮质量。文中阐述了浮动块跟随振动的３种模态，着重分析了平行振动模态．进行了正压型浮动块和负压型浮动块的动特性设计。实验证明，经过静、动特性设计的铲刮头．能高效地铲刮高于０．２μｍ的高点。
When designing a scalpel head, consider not only the static characteristics of the scalpel head slider. Moreover, it is necessary to study its dynamic characteristics so that the scraper head slider has a good followability when scraping the disk high point and improves the scraping quality. In this paper, the three modalities of the follower vibration of the slider are elaborated, and the parallel vibration modes are emphatically analyzed. The dynamic characteristics of positive and negative pressure type floating blocks were designed. Experiments show that after static and dynamic characteristics of the design scraper head. Can efficiently scoop high above 0.2μm.