Evaluation method of measurement accuracy for Industrial Computed Tomography

Chen Si; Chen Hao; Li Jing; Li Shoutao; Zhang Xiaoli; Lei Dechuan

doi:10.3788/HPLPB20132508.2096

Volume 25 Issue 08

Nov. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(08): 2096-2100

Ye Xin, Huang Jin, Zhou Xinda, et al. Film-formation trend and film coverage percentage of continuous convective self-assembling of 2D colloidal crystals[J]. High Power Laser and Particle Beams, 2012, 24: 1831-1835. doi: 10.3788/HPLPB20122408.1831

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Chen Si, Chen Hao, Li Jing, et al. Evaluation method of measurement accuracy for Industrial Computed Tomography[J]. High Power Laser and Particle Beams, 2013, 25: 2096-2100. doi: 10.3788/HPLPB20132508.2096

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Evaluation method of measurement accuracy for Industrial Computed Tomography

doi: 10.3788/HPLPB20132508.2096

Chen Si^{1,2
,
,},
Chen Hao^1,2,
Li Jing²,
Li Shoutao^1,2,
Zhang Xiaoli^1,2,
Lei Dechuan¹

1.
Institute of Applied Electronics of CAEP,Mianyang 621900,China;
2.
National X-ray Digital Imaging Instrument Centre,Mianyang 621000,China

Received Date: 2012-12-07
Rev Recd Date: 2013-04-17
Publish Date: 2013-06-19

Abstract

Abstract

In order to verify the measurement accuracy of Industrial Computed Tomography (ICT), an evaluation method was designed and the standard measuring parts were made for the 9 MeV high-energy industrial CT system and 450 kV industrial CT system which were produced by National X-ray Digital Imaging Instrument Centre. The liner dimensions, the sphere diameters, the angle values, the apertures and the positioning dimensions were measured by CMM and CT system .Then comparing the results, after data analysis, different errors for these dimensions were acquired. For different materials of aluminum, nylon and stainless steel, higher density material with higher density has less measure error without considering the effect of the dimension type. These results validate the ability of industrial CT system as a high dimensional measuring machine for nondestructive examination.
- Industrial Computed Tomography,
- dimensional measurement,
- accuracy,
- verification &

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