WIRE
6/2007 November

Fixturlaser OL2RXA mounted on machine for measurement in hot condition
Photo: Fixturelaser
Fast and flexible method for alignment of critical machines
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A production stop can in many ways be compared to car racing pit stop. If you do not use fast, top-of-the-line, tools in the pit, you do not win the race. The same is valid for maintenance of rotating machinery. In today’s competitive environment you can not afford long production stops if you want to be a winner. Fixturlaser XA, the 4th generation of laser based shaft alignment tools from Fixturlaser, includes features and functions for extra fast alignment – Express Alignment.
Fixturlaser XA, the wireless shaft alignment system, can now be upgraded with a unique function for measurements of dynamic movements, such as thermal growth, process forces etc; the Fixturlaser OL2RXA (Offline-to-Running). The Fixturlaser XA is the only shaft alignment system on the market that includes this function. Other suppliers offer separate systems, using multiple software which do not facilitate the shaft alignment process. The Fixturlaser OL2R, which is protected by patent, is developed to suit the shaft alignment procedure without involving additional evaluation software.
The Fixturlaser OL2RXA contains of fixtures as well as of software. The fixtures of the laser units are both equipped with a point laser, which means that you do not need to use the alignment system in order to mount the fixtures. You just adjust the fixtures until both the lasers are hitting the centre of the opposing target. Thanks to this feature the mounting can be performed fast and by someone who does not necessarily need to have the knowledge about shaft alignment and Fixturlaser XA. Because of this, the use of the Fixturlaser OL2RXA is cost effective.
The included software is based upon the characteristic user interface from the Fixturlaser XA shaft alignment programs. The program includes 3D flash animations to guide the user throughout the measurement, step-by-step. With the Fixturlaser OL2RXA, alignment and compensate for the actual dynamic movement can be performed in a fast and flexible way. The user can measure several machines (fixtures) with just one Fixturlaser XA system. It is also possible to carry out several “hot” measurements after each other, and thereafter save them separately in the system. After continuing with the “cold” measurements at a later occasion, these measurements can be paired together with the relevant “hot” measurements. This flexible feature will contribute to efficient and short production stops and lower costs of alignment equipment.
The results from a Fixturlaser OL2RXA measurement are machine unique target values that are used in order to accomplish the precision shaft alignment.
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