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Characteristics of motion errors of 3–Axis CNC vertical milling machines

This project presents a systematic approach to understand the different types of motion errors exist in Computer Numerical Controlled (CNC) machines. This research focused on five units of identical CNC milling machines, that is, the same brand, model and years of operation. As the increasing number...

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Main Author: Ahmad Bakir, Azman
Format: Thesis
Language:English
Published: 2010
Subjects:
TJ Mechanical engineering and machinery
TS Manufactures
Online Access:http://eprints.utm.my/id/eprint/11280/1/AzmanAhmadBakirMFKM2010.pdf
http://eprints.utm.my/id/eprint/11280/
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spelling my.utm.112802018-05-30T02:35:10Z http://eprints.utm.my/id/eprint/11280/ Characteristics of motion errors of 3–Axis CNC vertical milling machines Ahmad Bakir, Azman TJ Mechanical engineering and machinery TS Manufactures This project presents a systematic approach to understand the different types of motion errors exist in Computer Numerical Controlled (CNC) machines. This research focused on five units of identical CNC milling machines, that is, the same brand, model and years of operation. As the increasing number of CNC machines in manufacturing field, there is a need to ensure the machines are in good running condition. Machine tools such as CNC vertical milling machines are meant to produce precise workparts, therefore is important to maintain their accuracy. Periodic and preventive maintenance of the machine is crucial, whereby motion error inspection is one of predictive maintenance activities in ensuring CNC machines are in good working condition. The purpose of this project is to find out any abnormalities to the machine performance. The motion errors of CNC machines were analysed by using Double Ball Bar (DBB) measuring device. This equipment is designed to analyse the machine performance by measuring the accuracy of its movements. This device having two identical size balls at the end of the bar was mounted on spindle and onto a special holder which is mounted on the working table. The machine is made to move in a circular motion, clockwise and anti-clockwise in three planes, XY, YZ and ZX. Any deviation from the standard data will represent the imperfection of machine condition especially mechanical components such as slide bearing, spindle bearing or servo motor responses. Based on the study, DBB equipment has successfully captured the motion errors of five units of 3-axis CNC vertical milling machines. Diagnosis has been done and several error origins have been presented in this study. By knowing the most significant error origin, the corrective countermeasures can be carried out. 2010-04 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/11280/1/AzmanAhmadBakirMFKM2010.pdf Ahmad Bakir, Azman (2010) Characteristics of motion errors of 3–Axis CNC vertical milling machines. Masters thesis, Universiti Teknologi Malaysia, Faculty of Mechanical Engineering.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TJ Mechanical engineering and machinery
TS Manufactures
spellingShingle TJ Mechanical engineering and machinery
TS Manufactures
Ahmad Bakir, Azman
Characteristics of motion errors of 3–Axis CNC vertical milling machines
description This project presents a systematic approach to understand the different types of motion errors exist in Computer Numerical Controlled (CNC) machines. This research focused on five units of identical CNC milling machines, that is, the same brand, model and years of operation. As the increasing number of CNC machines in manufacturing field, there is a need to ensure the machines are in good running condition. Machine tools such as CNC vertical milling machines are meant to produce precise workparts, therefore is important to maintain their accuracy. Periodic and preventive maintenance of the machine is crucial, whereby motion error inspection is one of predictive maintenance activities in ensuring CNC machines are in good working condition. The purpose of this project is to find out any abnormalities to the machine performance. The motion errors of CNC machines were analysed by using Double Ball Bar (DBB) measuring device. This equipment is designed to analyse the machine performance by measuring the accuracy of its movements. This device having two identical size balls at the end of the bar was mounted on spindle and onto a special holder which is mounted on the working table. The machine is made to move in a circular motion, clockwise and anti-clockwise in three planes, XY, YZ and ZX. Any deviation from the standard data will represent the imperfection of machine condition especially mechanical components such as slide bearing, spindle bearing or servo motor responses. Based on the study, DBB equipment has successfully captured the motion errors of five units of 3-axis CNC vertical milling machines. Diagnosis has been done and several error origins have been presented in this study. By knowing the most significant error origin, the corrective countermeasures can be carried out.
format Thesis
author Ahmad Bakir, Azman
author_facet Ahmad Bakir, Azman
author_sort Ahmad Bakir, Azman
title Characteristics of motion errors of 3–Axis CNC vertical milling machines
title_short Characteristics of motion errors of 3–Axis CNC vertical milling machines
title_full Characteristics of motion errors of 3–Axis CNC vertical milling machines
title_fullStr Characteristics of motion errors of 3–Axis CNC vertical milling machines
title_full_unstemmed Characteristics of motion errors of 3–Axis CNC vertical milling machines
title_sort characteristics of motion errors of 3–axis cnc vertical milling machines
publishDate 2010
url http://eprints.utm.my/id/eprint/11280/1/AzmanAhmadBakirMFKM2010.pdf
http://eprints.utm.my/id/eprint/11280/
_version_ 1643645637278826496
score 13.211869

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