Fluid dynamic bearing, method of manufacturing fluid dynamic bearing, rotating device, and disk drive device

Fluid dynamic bearing, method of manufacturing fluid dynamic bearing, rotating device, and disk drive device

A fluid dynamic bearing includes a shaft to which a resin flange is fixed by insert molding. The process where the flange is fixed to the shaft by insert molding includes a flange forming process in which the flange, fixed to the shaft, is formed by injecting the resin into a filled portion in the l...

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creator Alphana Technology Co., Ltd
description A fluid dynamic bearing includes a shaft to which a resin flange is fixed by insert molding. The process where the flange is fixed to the shaft by insert molding includes a flange forming process in which the flange, fixed to the shaft, is formed by injecting the resin into a filled portion in the lower mold through an upper mold, while cooling at least part of the shaft, arranged in a shaft arrangement portion in a lower mold, with cooling water circulating through a cooling pipe.
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title Fluid dynamic bearing, method of manufacturing fluid dynamic bearing, rotating device, and disk drive device
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