Air-powered spindle

The Air Power Spindle available form BIG Kaiser Precision Tooling (www.bigkaiser.com) operates at speeds up to 80,000 rpm for micromachining operations. The spindle can be used on existing machining centers. The thermal displacement of the spindle is claimed to be less than 0.001 mm, as compared to up to 0.012 mm of displacement on standard machining center spindles. What's more, it features a dynamic runout accuracy of less than 0.002 mm.

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