Infrared and Laser Engineering, Volume. 49, Issue 10, 20200216(2020)
Development of coaxiality measurement system of turbine components and stud standard parts
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Table 1. Measurement uncertainty source and the summary of calculate results
View tableView in ArticleTable 1. Measurement uncertainty source and the summary of calculate results
No. Measurement Uncertainty Source $ui$ Evaluation type Distribution type $ui$ 1 Repeatability A / 0.2 Resolution B uniformiy 0.03 2 Indication error of inductance micrometer B / 0.2 3 Temperature B uniformiy neglected Expansion factor B uniformiy neglected 4 Force of measurement B uniformiy neglected 5 Three-needle form error B Two-point 0.71 6 Installation error B Two-point 1 B uniformiy neglected 7 Mechanism error B uniformiy neglected B uniformiy neglected Combined standard uncertainty: 1.26 Expanded uncertainty(k=2): U 2.6
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Bo Zhang, Wengjian Zhang, Lihua Lei. Development of coaxiality measurement system of turbine components and stud standard parts[J]. Infrared and Laser Engineering, 2020, 49(10): 20200216
Paper Information
Category: Photoelectric measurement
Received: Jun. 4, 2020
Accepted: --
Published Online: Jul. 6, 2021
The Author Email: Lei Lihua (leilh@simt.com.cn)
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