Mathematical Model and Error Analysis of Coordinate Measuring Arm with Revo Revolving Body

Lei Zhao; Shu Gui Liu

doi:10.4028/www.scientific.net/AMM.52-54.156

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 52-54Mathematical Model and Error Analysis of...

Mathematical Model and Error Analysis of Coordinate Measuring Arm with Revo Revolving Body

Abstract:

A new type of coordinate measuring arm with a Revo revolving body which can realize quick measuring in spherical domain has high stability, fast measuring speed and high accuracy compared with common coordinate measuring arm. We use the method of space coordinate transformation to solve the problem that the transformation matrix can’t be got from Revo body to test head by DH method, and apply DH theory to build the mathematical model of system. The system model is verified right by sketching. The error model is built and the effect of measurement accuracy from all error sources is deeply analyzed. It presents a theory foundation for further researching on improving accuracy of this new type of coordinate measuring arm.

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Periodical:

Applied Mechanics and Materials (Volumes 52-54)

Pages:

156-161

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.52-54.156

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Online since:

March 2011

Authors:

Lei Zhao, Shu Gui Liu

Keywords:

Accuracy, Coordinate Measuring Arm, Error Model, Mathematical Models, Revo Revolving Body

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