Introduction; Principle Of Operation - SKF TMEA 1P/2.5 Instrucciones De Uso

1.

INTRODUCTION

Perfect alignment of machinery shafts is crucial to prevent premature
bearing failure, shaft fatigue, sealing problems and vibrations. It further
reduces the risk of over-heating and excessive energy consumption.
The SKF Shaft Alignment Tools offer an easy and accurate way of
adjusting two units of rotating machinery so that the shafts of the units
are in a straight line.
The SKF Shaft Alignment Tool is under the designation TMEA 1P/2.5
and is available with a printer port and optional printer TMEA P1 for
easy documentation of the alignment.
Additionally there is an Intrinsically Safe version of the TMEA 1P.
Its designation is TMEA 1Pex, and it is classified EEx ib IIC T4 – II 2 G.
The Intrinsically Safe version includes the printer.
1.1

Principle of operation

The TMEA 1P systems use two measuring units both provided with a
laser diode and a positioning detector. As the shafts are rotated
through 180° any parallel misalignment or angular misalignment causes
the two beams to deflect from their initial relative position.
The measurements from the two positioning detectors automatically
enter the logic circuitry inside the display unit, which calculates the
misalignment of the shafts and advises on corrective alignments of the
machine feet.
Fig. 1. Parallel misalignment
After a straightforward measuring procedure, the tool immediately
displays the misalignment of the shafts and the necessary corrective
adjustments of the feet of the machine. Since the calculations are done
in real time the progress of the alignment can be followed live.
TMEA 1P/2.5 / TMEA 1PEx
Fig. 2. Angular misalignment
Shaft Alignment Tools 9