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| Engineering Analysis &
Testing: |
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| Design Assessment of a
Train Bearing Housing:
An assessment of a bearing housing for use on a rail vehicle was
performed to determine if the design had sufficient strength and an infinite
fatigue life.Optimization of the design was undertaken to achieve the required
fatigue life.
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| Process Industry
Equipment Failure: |
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Following the failure of the drum head of a Through Air Dryer,
resulting in the complete shut-down of a paper mill, Eatec undertook an
assessment to determine whether further failures of the assembly were likely.It
was shown that under the maximum operating conditions, further failures would
occur, and hence a claim for a replacement drum was submitted. Eatec provided technical support to the
client during the litigation process.
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| Failure of a Quarry
Screen: |
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A
quarry screen which is used to sort crushed rock started to crack soon after
entering service. By measuring the
motions of the corners of the screen, it was possible to identify that the
first torsional mode of the screen was being excited by the drive
mechanism. Through the use of
finite element modeling, potential design modifications were investigated to
identify the optimum changes to prevent resonance. No further cracking of the modified
design occurred.
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| Analysis/Simulation Tools: |
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| Rubber Property
Predictor:
The stress-strain behaviour of rubber is sensitive to composition
and processing, and is difficult to predict. A software tool, based on a neural
network, was developed to enable “virtual” testing of possible rubber
compounds.The use of the tool has led to significant time and cost savings in
achieving required rubber characteristics.
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| Seal Reliability
Analysis Tool: |
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The
reliability of the bearing seals on drill bits used in the oil and gas industry
is fundamental to the life of the bit.
A client has a programme of continuous improvement of seal design based
on field performance. Performance
data needed to be processed such that reliability metrics could be generated
and compared.An analysis tool was generated and embedded in an Excel
spreadsheet which enabled non-specialists to produce reliability results in
graphical and tabular forms.
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Database Application:
Test Results Database: |
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Large quantities of test results had been obtained over a long
period, and were stored using different formats, making searching and
processing difficult.A test results database system was developed to archive
the data and provide comprehensive search and processing functionality.Using
the system, changes to product performance which had previously gone unnoticed
were identified.
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