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ACFM
Products - Walking Stick
Related
Products
ACFM
offers significant benefits to the rail industry. Inspections can
be conducted on vehicles in service, reducing time out of traffic.
With automatic detection and sizing of defects and audible alarms
dependent on the severity of defect encountered, less reliance is
placed on the operator and the overall reliability of inspection
improved. Additionally data is available for third party review
without need for re-inspection
Accuracy and information
on crack depth means resources can be prioritized, safety improved
and unnecessary repairs eliminated
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General
Inspection Systems
The current technologies
used to inspect railway components are usually ultrasonic
testing and magnetic particle inspection. Both of these methods
have weaknesses particularly when trying to detect shallow
surface breaking defects in real-world situations where there
is a heavy reliance on operator technique and interpretation.
Also recording of inspection data is not easy and is generally
not carried out.
TSC have developed
equipment for use within the railway industry for inspecting
a range of components including bogies, rails and wheelsets.
As part of gaining acceptance for use, ACFM underwent stringent
trials and analysis to prove its effectiveness. This included
a blind trial on a series of axles containing real defects
conducted by the Engineering Link in the UK. ACFM proved to
have the highest detection rate of all techniques studied,
including MPI performed to current guidelines, combined with
a low false call rate.
ACFM was also studied
in depth by Bombardier Transportation, UK who conducted laboratory
trials, workshop trials and carried out a thorough literature
survey to produce a comprehensive qualification dossier independently
endorsed by The Engineering Link. This resulted in a certificate
of approval for the use of ACFM on railway wheelsets. |
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Railway
Axle Inspection
In addition to standard instruments for routine
inspection, TSC supply dedicated systems for axle inspection.
Benefits include:
- Improved safety.
- Improved auditing.
- Detection of defects and sizing for length and depth.
- Works through paint, scale and rust.
- Cost savings compared to conventional methods.
A number of options
exist when considering inspecting axles with ACFM depending
on the required coverage, speed of deployment, type of axle
and if the axle is mounted on the bogie. All use the basic
ACFM technology but the mode of deployment, and in particular
the degree of automation, vary considerably. As expected,
the more sophisticated the system, the less the reliance on
the operator. As a general rule, the higher the degree of
automation, the higher the initial cost but the lower the
ongoing operational costs.
Equipment options are based around
the equipment certified by Bombardier Transportation which
consists of an enhanced AMIGO instrument, a range of probes
and new software offering greater operator assistance. |
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