Thermal Errors Affecting Engineering Measurement

Siti Nurhaida, Khalil (2005) Thermal Errors Affecting Engineering Measurement. Masters thesis, Loughborough University.

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Thermal effect in engineering measurement is a research done to acknowledge the thermal effect on engineering measurement during manufacturing i.e. machining processes. This project is aimed to investigate the effects of thermal errors on engineering measurement and identify the causes and characteristics of the thermal expansion in a workpiece/s being heated at certain elevated temperatures. The largest source of error in engineering measurement is temperature. There are many factors that affect temperature elevation during engineering measurement. Namely the factors are machine internal heat generation, environmental temperature changes and radiant external heat resources. In this experiment a few assumptions were made to simplify and model the heat generation of workpiece. The design of the specimen is kept simple, i.e. the shape of sphere and cube. The heating element is embedded in the middle of the body of the specimen to ensure uniform distribution of heat transfer. In addition, the total expansion of the workpiece under heat generation from temperature 25°C - 60°C has been characterized and studied using one material and one test component. 2D detailed thermal and dimensional measurement analysis has been performed· from the result taken from the experiment.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Metal -- Cutting, Engineering -- Measurement, Machining
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Library > Tesis > FKM
Depositing User: Siti Syahirah Ab Rahim
Date Deposited: 05 Nov 2014 09:01
Last Modified: 28 May 2015 04:29
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