fan vibration

EMDS Motion Camera Alerts Cement Plant

EMDS was called to evaluate the E51FN05 Fan, at an aggregate plant, which had been running smoothly until a defect in the fan bearings necessitated their replacement. Continued abnormal motion was detected around the unit, prompting EMDS to acquire and analyze Motion Amplification Video, alongside traditional velocity and acceleration vibration data. The motor and fan were mounted on a substantial concrete base, supported by below- grade caissons, and surrounded by a concrete apron serving as a walk and work platform. Moisture pressing out around the expansion joints while the fan was operating, and noticeable vibrations underfoot raised concerns. An earlier attempt [...]

EMDS Motion Camera Alerts Cement Plant2025-07-24T11:51:42-04:00

Office Building Window Vibration

An office building had an open atrium that went from ground level up to the roof. In the center of the atrium was a large flowing fountain. Surrounding the fountain were meeting rooms. Each meeting room had a large plate glass window approximately 8 feet tall and 12 feet wide through which the individuals in the meeting room could view the fountain. The problem was that these large plate glass windows had high levels of vibration. The frequency of the vibration was 240 cycles/minute. The floors and walls were all tested and no significant level of the 240 cpm vibration was [...]

Office Building Window Vibration2023-03-13T10:34:23-04:00

High Speed Motion Camera

Motion Magnification See what’s really happening to your equipment in real time.  Pinpoint the root cause of the vibration or dynamic problems costing you time and money! Key Benefits Faster, easier, and less error-prone diagnosis of vibration and system dynamics enable problems to be pinpointed with more certainty. Enables your reliability and maintenance engineers to pinpoint problem root causes, lower maintenance costs, reduce problem resolution time and machine or plant downtime. Applications Localized Structural Vibration: Bearing pedestals Pipe Rack Duct work Cooling Towers Blowers Frequent Mechanical Failures: Pumps Fans Machine Bases Bent shaft Misalignment  

High Speed Motion Camera2021-01-08T23:41:17-05:00

Vibration Of Microscope In Microsurgery Room

Equipment: A microscope mounted from the ceiling of a surgery room. The special microscope was used by the surgeon during micro-surgery operations which involved replanting severed fingers and toes. Symptoms: The chief surgeon complained that the image was jittery and that it was very tiring to operate under those conditions, particularly when the scope was set for its maximum magnification. Test Data and Observations: The scope was set to its greatest magnification and printed material was placed on the operating table. Vibration was clearly noticeable, just as the surgeon had indicated. Vibration spectra were taken on both the table and the [...]

Vibration Of Microscope In Microsurgery Room2019-09-09T17:18:50-04:00

From Scrap To Like New

A brick manufacturer had a large fan that pulls air, brick and cement dust thru an overhead duct system into a bag house then through the fan and up a stack. The baghouse requires cleaning frequently and during the cleaning cycle the baghouse is bypassed and the material goes through the fan. This causes buildup on the fan blades and thus an imbalance and vibration. The vibration is so severe it cracks the motor base, bearing base and fan housing. The customer has attempted to deal with this by filling the fan base with concrete, welding large angle iron to the [...]

From Scrap To Like New2019-09-03T20:16:15-04:00

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