TY - GEN
T1 - Uncertainty analysis for the fiducial calibration system
AU - Woody, Bethany A.
AU - Scott Smith, K.
AU - Hocken, Robert J.
AU - Miller, Jimmie A.
PY - 2005
Y1 - 2005
N2 - Previous work has established the Fiducial Calibration System (PCS), a technique, which, for the first time provides a method that allows for the accuracy of a CMM to be transferred to the shop floor. This paper addresses the range of applicability of the PCS, and provides a method to answer two fundamental questions. First, given a set of machines and fiducials, how much improvement in precision of the finished part can be expected? And second, given a desired precision of the finished part, what machines and fiducials are required? The achievable improvement in precision using the PCS depends on a number of factors including, but not limited to: the type of fiducial, the probing system on the machine and CMM, the time required to make a measurement, and the frequency of measurement. In this paper, the sensitivity of the method to such items is evaluated through an uncertainty analysis, and examples are given indicating how this analysis can be used in a variety of cases.
AB - Previous work has established the Fiducial Calibration System (PCS), a technique, which, for the first time provides a method that allows for the accuracy of a CMM to be transferred to the shop floor. This paper addresses the range of applicability of the PCS, and provides a method to answer two fundamental questions. First, given a set of machines and fiducials, how much improvement in precision of the finished part can be expected? And second, given a desired precision of the finished part, what machines and fiducials are required? The achievable improvement in precision using the PCS depends on a number of factors including, but not limited to: the type of fiducial, the probing system on the machine and CMM, the time required to make a measurement, and the frequency of measurement. In this paper, the sensitivity of the method to such items is evaluated through an uncertainty analysis, and examples are given indicating how this analysis can be used in a variety of cases.
UR - http://www.scopus.com/inward/record.url?scp=33646011511&partnerID=8YFLogxK
U2 - 10.1115/IMECE2005-81299
DO - 10.1115/IMECE2005-81299
M3 - Conference contribution
AN - SCOPUS:33646011511
SN - 0791842231
SN - 9780791842232
SN - 0791842231
SN - 9780791842232
T3 - American Society of Mechanical Engineers, Manufacturing Engineering Division, MED
SP - 699
EP - 706
BT - American Society of Mechanical Engineers, Manufacturing Engineering Division, MED
T2 - 2005 ASME International Mechanical Engineering Congress and Exposition, IMECE 2005
Y2 - 5 November 2005 through 11 November 2005
ER -