Cover Image

Experimental validation for chatter stability prediction

This research focused on the experimental validation for chatter stability prediction. An optimum machining was aimed to maximize the material removal rate, whilst maintaining a sufficient stability margin to assure the surface quality. High material removal rate in machining produced self-excited v...

Full description

Saved in:
Bibliographic Details
Main Author: Muhammad Azwan, Zainol Abidin
Format: Undergraduates Project Papers
Language:English
Published: 2012
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/6522/1/Experimental%20validation%20for%20chatter%20stability%20prediction.pdf
http://umpir.ump.edu.my/id/eprint/6522/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.ump.umpir.6522
record_format eprints
spelling my.ump.umpir.65222023-03-30T03:56:55Z http://umpir.ump.edu.my/id/eprint/6522/ Experimental validation for chatter stability prediction Muhammad Azwan, Zainol Abidin TJ Mechanical engineering and machinery This research focused on the experimental validation for chatter stability prediction. An optimum machining was aimed to maximize the material removal rate, whilst maintaining a sufficient stability margin to assure the surface quality. High material removal rate in machining produced self-excited vibration or chatter of the cutting tool and the workpiece. This resulted in a poor surface finish and dimensional accuracy, chipping of the cutter teeth, and also may damage the workpiece as well as machining tool. Frequency response function of a single degree freedom flexural was measured and the cutting stiffness of tools were determined in order to be used in predicting chatter stability using semi discretization method. The aluminium 7075 specimens were used in the milling cutting experiment to validate the chatter stability diagram of mill uniform and variable cutters, where a set of spindle speed and depth of cut had tested. The vibration conditions of machining were identified by analysing the vibration signals and FFT spectrum whether it was stable or in a chatter condition. There are good agreement between predicted stability and cutting experiment for the down-milling operation using uniform 4 flute cutting tool. Stable conditions were shown outside the boundary of chatter region. The optimized cutting tool was predicted to suppress chatter. Machining experiment tests showed there were no chatter vibration conditions during machining process until 1.5 mm depth of cut. According to the results of machining experiment, it was proven that the variable tool had more capability to machining without producing chatter vibration as compared to the regular tool. 2012-06 Undergraduates Project Papers NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/6522/1/Experimental%20validation%20for%20chatter%20stability%20prediction.pdf Muhammad Azwan, Zainol Abidin (2012) Experimental validation for chatter stability prediction. Faculty of Mechanical Engineering, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Muhammad Azwan, Zainol Abidin
Experimental validation for chatter stability prediction
description This research focused on the experimental validation for chatter stability prediction. An optimum machining was aimed to maximize the material removal rate, whilst maintaining a sufficient stability margin to assure the surface quality. High material removal rate in machining produced self-excited vibration or chatter of the cutting tool and the workpiece. This resulted in a poor surface finish and dimensional accuracy, chipping of the cutter teeth, and also may damage the workpiece as well as machining tool. Frequency response function of a single degree freedom flexural was measured and the cutting stiffness of tools were determined in order to be used in predicting chatter stability using semi discretization method. The aluminium 7075 specimens were used in the milling cutting experiment to validate the chatter stability diagram of mill uniform and variable cutters, where a set of spindle speed and depth of cut had tested. The vibration conditions of machining were identified by analysing the vibration signals and FFT spectrum whether it was stable or in a chatter condition. There are good agreement between predicted stability and cutting experiment for the down-milling operation using uniform 4 flute cutting tool. Stable conditions were shown outside the boundary of chatter region. The optimized cutting tool was predicted to suppress chatter. Machining experiment tests showed there were no chatter vibration conditions during machining process until 1.5 mm depth of cut. According to the results of machining experiment, it was proven that the variable tool had more capability to machining without producing chatter vibration as compared to the regular tool.
format Undergraduates Project Papers
author Muhammad Azwan, Zainol Abidin
author_facet Muhammad Azwan, Zainol Abidin
author_sort Muhammad Azwan, Zainol Abidin
title Experimental validation for chatter stability prediction
title_short Experimental validation for chatter stability prediction
title_full Experimental validation for chatter stability prediction
title_fullStr Experimental validation for chatter stability prediction
title_full_unstemmed Experimental validation for chatter stability prediction
title_sort experimental validation for chatter stability prediction
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/6522/1/Experimental%20validation%20for%20chatter%20stability%20prediction.pdf
http://umpir.ump.edu.my/id/eprint/6522/
_version_ 1762392377372180480
score 13.211869

Similar Items