April - Library

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AMMJ
Maintenance Engineering and
Engineering Economics
Economics and engineering still live like worlds apart.
And yet, one needs the other. This must change. One
outstanding example of this long lived separation relates
to the maintenance function. What happens and why?
Impact of Reliability Centred
Maintenance
This paper contains a brief description
of potential areas of benefit of using
RCM. Some of the cashable and
non-cashable advantages that will
have a positive impact throughout an
enterprise.
Protection Of Drives
Microprocessor based electronics and data communication
networks are very common. Surge
Protection Devices helps preserving
these systems from damage. How
to properly stage these SPDs can
be as important as actually making
the decision to purchase them.
Lessons Learnt In 45 Years of
Condition Monitoring
The lessons learnt by one of the
World’s leaders in the field of
Condition Monitoring. This paper of
brief case studies in narrative style
is intended to entertain, inform and
even inspire.
2011 CMMS and EAMs Listing
The AMMJ’s annual listing of Computerised Maintenance
Management Systems and Enterprise Asset Management
Systems. What do CMMS and EAMs provide in 2011.
Asset Management and Maintenance Journal
ISSN 1835-789X (Print) ISSN 1835-7903 (Online)
Published by:
Engineering Information Transfer Pty Ltd
Publisher and Managing Editor:
Len Bradshaw
Publishing Dates:
Published in January, April, July and October.
Material Submitted:
Engineering Information Transfer Pty Ltd accept no
responsibility for statements made or opinions expressed
in articles, features, submitted advertising, advertising
inserts and any other editorial contributions.
See website for details of how to submit articles or news.
Load parameter W’
Original
operation
Operation
when
bearings
modified
10
1.0
0.1
Lines of
increasing
constant b/d
Oil 71°C
Oil 40°C
Increased risk of halffrequency
whirl
0.1 0.5 0.9
Eccentricity ratio
Recommended
area
Bearing
too short
Copyright:
This publication is copyright. No part of it may
be reproduced, stored in a retrieval system or
transmitted in any form by any means, including
electronic, mechanical, photocopying, recording or
otherwise, without the prior written permission of the
publisher.
For all Enquiries Contact:
Engineering Information Transfer Pty Ltd
PO Box 703, Mornington, Victoria 3931, Australia
Phone: (03) 5975 0083 Fax: (03) 5975 5735
E-mail: mail@maintenancejournal.com
Web Site: www.maintenancejournal.com
Contents
April 2011 Issue Vol 24 No 2
Asset Management and Maintenance Journal
COVER
SHOT
This issue’s cover
shot is courtesy of
SKF and shows
an impact spanner
for mounting larger
rolling element
bearings. Go to
page 53 for details.
To Subscribe to the AMMJ go to www.maintenancejournal.com to download the SUBSCRIPTION FORM. Annual Subscription is from $80.
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Fit at 50 - Keeping Aging
Transformers Healthy For Longer
Keeping fit and “staying young”
are goals for many including
power transformers. Many of the
world’s transformers are reaching
an age where these goals are
becoming critical for their survival,
and for the survival of the operating companies.
The Role of Vibration Monitoring In
Predictive Maintenance - Part 2
Some Illustrative Examples of Vibration Monitoring
in Predictive Maintenance.
Vibration monitoring being used to
detect and diagnose problems on
rotating equipment ranging from
electric motors to large crushing
machines used for mining and
processing.
Machinery Troubleshooting - First
Impressions
When troubleshooting a machinery problem, whether
for an unusual vibration problem or a component failure
such as a bearing or seal, first impressions from the initial
machinery inspection are very important.
Maintenance News
The latest maintenance news, products & services.
AMMJ Sponsors and Supporters
Maintenance Seminars
The Len Bradshaw and Ricky Smith Maintenance
Seminars in Australia 2011.