Diehl Engineering
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Diehl Engineering Company applies engineering principles to improve both accuracy and productivity to the age-old problem of aligning propulsion shafting in ships. Diehl Engineering provides active onsite assistance to align close-coupled rotating machinery, following many of the principles outlined for shaft alignment.

Diehl Engineering has had a long history of solving marine bearing problems, and will supervise repairs, perform failure analyses, design bearing changes, or select alternative bearings, to improve longevity and reliability.Founded in 1980 by Paul H. Diehl P.E., Diehl Engineering Company has served the maritime industry specializing in marine power transmission design, service and failure analysis.

Today, his sons, Eric Diehl, P.E. and Rob Diehl, P.E. Bearing design, inspection and failure analysis; including oil and water lubricated sleeve bearings and anti-friction bearings. Reduction gear design and inspection services; including specification, failure prevention and repair analysis.
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Founded in 1980 by Paul H. Diehl P.E., Diehl Engineering Company has served the maritime industry specializing in marine power transmission design, service and failure analysis.
Today his sons, Eric Diehl, P.E. and Rob Diehl, P.E.
Diehl Engineers are well known in the maritime industry, as being the best and most trusted to solve difficult propulsion problems.
We take ownership of your needs and problems, and we are never influenced by external pressures.
Be assured that we will deliver results you can trust.
Diehl Engineering Company applies engineering principles to improve both accuracy and productivity to the age-old problem of aligning propulsion shafting in ships.
Diehl Engineering Company will provide active onsite assistance to align close-coupled rotating machinery, following many of the principles outlined for shaft alignment, with the exception of choice of measurement equipment used.
We have extensive experience in solving marine bearing problems, and will supervise repairs, perform failure analyses, design bearing changes, or select alternative bearings, to improve longevity and reliability.
Many shaft, bearing, and coupling problems arise because little thought was given to alignment requirements during the design process.
For new or replacement shafting, Diehl Engineering Company will design the shafting arrangement so that it will not only perform its intended function, but also be flexible enough to optimize alignment sensitivity without incurring lateral vibration problems.
The first step in successful alignment of ship propulsion shafting is to determine what the alignment should be to satisfy all operating conditions over the stern bearing weardown range.
Diehl Engineering Company will provide active onsite assistance to align close-coupled rotating machinery, following many of the principles outlined for shaft alignment, with the exception of choice of measurement equipment used.
Determine what the alignment should be to suit the operating conditions, measure the existing alignment, and finally perform the adjustments to achieve the desired alignment.
The traditional method for aligning close coupled machines uses conventional dial indicators, or in some cases feeler gages, to sweep the rim and face of opposing coupling flanges.
Sea-going vessels contain a wide variety of bearing types, each with its own peculiar advantages and short-comings, and all subject to damage, wear, fatigue, corrosion, and plain old age.
Diehl Engineering Company has had a long history of solving marine bearing problems, and will supervise repairs, perform failure analyses, design bearing changes, or select alternative bearings, to improve longevity and reliability.
Diehl Engineering Company will select commercially available water-lubricated bearings for use in shipboard stern and strut bearings, or recommend modifications necessary to suit obvious performance problems of bearings in service.
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