TA-55 Hot CMM Calibration Tolerance Analysis (U)

Montano, Joshua D.¹ 

[1] Los Alamos National Laboratory

关键词: ACCURACY;    CALIBRATION;    PERFORMANCE;    SPECIFICATIONS;    TOLERANCE;   

DOI  :  10.2172/1043515
RP-ID  :  LA-UR-12-22124
PID  :  OSTI ID: 1043515
Others  :  TRN: US201214%%141

学科分类：工程和技术（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

The Hot Coordinate Measuring Machine (CMM), a Brown and Sharpe Xcel 765, has specifications listed by the manufacture of 4.5 + L/250 {micro}m for volumetric performance, 3.5 {micro}m for probing and 4.5 {micro}m for scanning. An upgrade was performed on the machine increasing its performance capability. This document reviews calibration data gathered after the upgrade over a five year period (2005-2010) and recommends a new specification of 3.0 + L/250 {micro}m for size, 3.3 {micro}m for probing, and 4.3 {micro}m for scanning. The new equations are an approximate 30% increase in accuracy for size and approximately 5% increase for probing and scanning.