Uncoupled Steam Turbine Alignment Tips Using Rotalign Ultra iS

Make sure you are getting good repeatable measurement data before you make corrections. This particular alignment, both shaft were hard to turn and we had to use an overhead crane on the generator shaft and a turn bar on the steam turbine shaft. Using a turning bar or crane to rotate the shaft can induce …

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Cardan Shaft Alignment with Rotalign Ultra iS

Cardan shaft alignment with the shaft in place. In the past shafts were traditionally disassembled in order to perform the alignment job. Jim Jackson of Heartland Industrial Solutions used Pruftechnik Cardan Brackets and Pruftechnik Rotalign Ultra iS to perform this alignment. This was a variable speed drive with a max speed of 3600 RPM. Setup, …

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3 Machine Train Alignment with ROTALIGN ULTRA IS

COMPRESSOR ALIGNMENT IN WHICH THE MOTOR WAS IN BETWEEN TWO COMPRESSORS AND WAS THE ONLY MOVEABLE MACHINE. THE MAIN COMPRESSOR THERMAL GROWTH WAS .025 AND THE BOOSTER COMPRESSOR WAS .022. THERE WERE 30 INCH SPACER SHAFTS BETWEEN THE MOTOR AND THE COMPRESSORS. WE UTILIZED THE MULTI-COUPLING FUNCTION THAT ALLOWS THE USER TO SET UP SENSORS …

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10,000 HP Main Drive Motor Alignment

Alignment performed on 10,000HP Main Drive Motor with an 11ft spacer shaft at a steel mill. An overhead crane was used to rotate the shaft. A Rotalign Ultra iS was used on the alignment job. Multi-point measurement mode was used and roughly 15 points were taken over 315 degrees of rotation. I used multi-point measurement …

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