Development of a large scale bearing element thickness variation measurement device

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Journal Title
Journal ISSN
Volume Title
School of Engineering | Master's thesis
Date
2016
Major/Subject
Koneensuunnitteluoppi
Mechanical Engineering
Mcode
Kon-41
Degree programme
Language
en
Pages
65
Series
Abstract
This work describes the development and testing of a new type of bearing element thickness measurement device specifically designed for large scale bearings. The device is built around a sensor head featuring two tactile sensors that enable differential measurement of the thick-ness. After analyzing an older prototype the new device and corresponding software that was devel-oped as part of this work is explained in detail. Those chapters focus on the features that were built into the device to improve measurement quality and ease of use in general. Based on the design an actual machine prototype was built and tested against a reference grade coordinate measurement machine. Through repeated comparative measurement and statistical analysis the measurement quality was assessed in terms of repeatability, trueness and other parameters. Examining the measurement results from both devices the feasibility of using such a device and its advantages and disadvantages compared to a conventional machine are discussed.
Description
Supervisor
Kuosmanen, Petri; Rinderknecht, Stephan
Thesis advisor
Widmaier, Thomas
Quurck, Lukas
Keywords
large scale bearing elements, bearing element thickness, thickness measurement, differential measurement, differential thickness measurement, measurement machine design, rotating measurement machine, rotating bearing measurement machine, moving measurement machine, runout measurement, thickness variation measurement
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