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Grinding air bearing spindle for wafer grinding

Air flotation bearing

SUND

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Maximum speed 7000 rpm.

Radial runout less than 2μm, axial runout less than 2μm.

Extremely small form and position tolerances and air film thickness provide ultra-high rigidity, radial rigidity 200N/μm, axial rigidity 400N/μm.

Supported by high-performance air hydrostatic bearings, it has extremely high dynamic rotational accuracy.

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