Characterization and compensation of dynamic errors of a scanning coordinate measuring machine |
| |
Authors: | PH Pereira RJ Hocken |
| |
Affiliation: | aTrack-Type Tractors Division, Caterpillar Inc. Building HH5000, 901 W. Washington St. E. Peoria, IL 61630, United States;bCenter for Precision Metrology, University of North Carolina at Charlotte, 9201 University City Blvd. Charlotte, NC 28223, United States |
| |
Abstract: | The necessity for reducing production cycle times while achieving better quality compels metrologists to look for new and improved ways to perform the inspection of parts manufactured. The advent of coordinate measuring machines led to a significant boost in accuracy, flexibility and reliability for measurement tasks. However, these machines are in some instances lagging behind machine tools and need improvement. One major limitation is the execution of measurements with low uncertainty at a reasonably fast rate to make it possible to measure more parts. This would ensure more reliability to the end product and better information to control the manufacturing process. Coordinate measuring machines with scanning capabilities offer the option to output high data density for parts at high speed. However, they are still considerably less accurate at faster measurement speeds and need to be improved. In this work a scanning measuring machine was extensively tested and a compensation model that accounts for part of its dynamic errors affecting measurement of circular features is proposed. |
| |
Keywords: | Scanning CMM Modeling Dynamic errors |
本文献已被 ScienceDirect 等数据库收录! |
|