Alignment and tensioning of belt drives made easy
February 27th 2008

FAG Industrial Services, the maintenance and condition monitoring division of the Schaeffler Group, has extended the range of functions offered by two of its measuring instruments – SMARTY2 and TRUMMY2 – used for aligning and tensioning belt drives and chain sprockets.

Not only do the new functions make these precision instruments easier to use, they also help to reduce wear and tear on the drive components. A correctly aligned and tensioned belt drive or chain sprocket means less friction and vibration are generated by the drive system, which means less wear on belts, belt pulleys, bearings and seals. This means the running time and reliability of the machinery is increased, energy costs are kept to a minimum and overall plant efficiency is improved.

Suitable for checking the alignment of belt-driven fans, compressors, conveyors, pumps and ventilators, the FAG Top-Laser SMARTY2 measures and adjusts the alignment of drives and pulleys faster and with more accuracy.

The device displays the parallelism and misalignment of both pulleys and is suitable for both horizontally- and vertically-mounted machinery. Only one person is required to carry out the alignment and the device can also be used on non-magnetic sprockets or pulleys.

Correct belt tension is a prerequisite for maximising the life of a belt drive. The FAG Top-Laser TRUMMY2 is a high precision opto-electronic handheld measuring instrument for optimising belt tension (strand force). Its improved design enables users to perform measurements using only one hand.

TRUMMY2 consists of a cableless measurement probe and a robust, handheld control unit. Measurement parameters are shown in the display either as frequency (Hz) or force (N). The device also has a measurement probe with cable for areas that are difficult to access.

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