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The High-speed Precision Positioning Table FEA Based on ANSYS

Tian Guangcai

Abstract

A new 2-DOF positioning table of high speed and accuracy,directly driven by voice coil actuator,is put forward.And a novel elastic decoupling mechanism is used in the table.In order to study its dynamic characteristic when the table works at high speed and high acceleration,the table FEA model is built through ANSYS software.Based on the model,the stress of the table and the distortion of the table working surface applied by spring pre-load,electromotor driving force and the bonding force are discussed.The analytical results can provide reference for the table dynamic structural design.

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Available abstract

Key concepts: Table (database), Voice coil, Finite element method, Decoupling (probability), Distortion (music), Acceleration, Actuator, Mechanism (biology)