Proper location is very important when collecting vibration measurements on a belt system. If possible, one reading should be taken in line with the sheaves and one reading perpendicular to them on each bearing. Vibration data resolution should be taken into account so that proper separation between belt and driver frequencies can be obtained. Care should be taken to ensure proper belt alignment as well. A laser pulley alignment tool provides the most efficient means to properly align belts. Another issue is how the belts are installed. Was the equipment loosened and the belt put on properly? Were the belts instead rolled on by force, creating potential issues? Have you ever seen a Vee belt running upside down? This is usually caused by the cording in the back of the belt being broken often caused by rolling on the belts. Are sheave gauges being used to check the sheaves for wear? In some cases the cost of a belt is more than the cost of a new sheave. This is just some of the things to consider for proper installation, maintenance and identification of belt related problems.
Don't just assume that belts are simple and do not require best practice actions for proper operation.
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