399 0

측정 프로세스의 변동 요인 조사 방법 개발

Title
측정 프로세스의 변동 요인 조사 방법 개발
Other Titles
Development of an Investigation Method for Variation Factors of Measurement Processes
Author
최인수
Advisor(s)
강창욱
Issue Date
2015-08
Publisher
한양대학교
Degree
Master
Abstract
There can be included a variety of uncertainties in all measurement results whether we can perceive or not on the causes. These uncertainties may end up in lowering the reliability of measurement results and also deteriorate the level of quality. For the purpose, we tried to combine the strengths of measurement uncertainty and measurement system analysis together to present a practical flowchart so as to verify those potential variation factors in general measurement processes. As a case study, we did an experiment and gathered data on the length between two holes of an engine cylinder head which is a core part for vehicles with a coor- dinate measuring machine and estimated nine uncertainty factors of it. Consequently, it was identified that the four primary factors among the nine which were related to the measurement standard, random errors or spread of the repeat measurements, differences between the coefficients of thermal expansion and the environment especially had been the influence around the laboratory. Since it is impossible to analyze the equipment and appraisal variations respectively through the only measurement uncertainty, we have used the measurement system analysis following the flowchart. Showing the result of being just about 0.5 % lower for the appraisal variation, and the equipment variation occupied about 7 % for the total Gage R&R. Through this research, we have come to a conclusion that much more detail analysis on variation factors can be possible to be identified in measurement processes by using the developed flowchart which is composed of measurement uncertainty and measurement system analysis. Therefore, we expect engineers who are involved in quality and measurements to utilize this developed method.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/128147http://hanyang.dcollection.net/common/orgView/200000427655
Appears in Collections:
GRADUATE SCHOOL OF ENGINEERING TECHNOLOGY[E](공학기술대학원) > INDUSTRIAL AND MANAGEMENT ENGINEERING(산업경영공학과) > Theses (Master)
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE