Abstract

A new system comprising a very thin belt drive serving also as the suspension for a high speed rotor has been tested and proved feasible. Speeds of 740000 rev min-1 and acceleration fields of 4000000 g were attained, the limit being set by rotor burst strength. A simple model describing the influence of ambient pressure, drive ratio and rotor material on the maximum attainable speed and centrifugal acceleration for a given rotor diameter is presented. The system offers potential use as a preparative centrifuge and for the mechanical testing of miniature material specimens, paints, adhesives and electroplatings.

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