[Waveform Library] Identifying Signs of Anomalies with Conanair

[Waveform Library] Identifying Signs of Anomalies with Conanair

Signs of Anomalies Visible with Conanair (Waveform Images)

"Even if told I can get raw data, I cannot visualize what kind of waveforms will appear."
For such users, we present images showing how typical anomalies (Unbalance, Misalignment, Bearing Defects) occurring in rotating machinery appear on the conanair FFT (Frequency Analysis) screen.
*Note: The following images illustrate general characteristics. Actual waveforms vary depending on machine specifications and rotation speed.


1. Unbalance

FFT waveform image of unbalance. Prominent peak at rotation frequency (1X).

Feature:

A prominent, large peak appears at the rotation frequency (1X).

If left untreated:

Vibration concentrates in a specific direction continuously, significantly shortening the life of bearings and housings. In the worst case, it leads to machine breakage.

Commonly seen when dirt adheres to fans or blowers, or when blades are chipped. It is characterized by vibration energy concentrating at a single point of the rotation frequency.

2. Misalignment

FFT waveform image of misalignment. Peaks appear at 1X, 2X, and 3X.

Feature:

High peaks appear not only at the rotation frequency (1X) but also at harmonics such as 2X and 3X.

If left untreated:

Excessive load is constantly applied to couplings and bearings, causing heat generation and abnormal vibration. Eventually, it may lead to major accidents such as coupling failure or shaft breakage.

Occurs when the motor and pump shafts are not aligned properly. Defective couplings or installation errors are suspected. Unlike unbalance, multiple peaks are the distinguishing feature.

3. Bearing Defects

FFT waveform image of bearing defects. Irregular noise rise in high frequency range.

Feature:

Irregular mounds or noise rise appear in high-frequency bands unrelated to the rotation frequency. While conanair cannot capture this exactly, it detects the occurrence as a reflection in the lower frequency band.

If left untreated:

Internal damage expands rapidly, leading to flaking or seizure, causing sudden machine stoppage (downtime). This can result in significant production losses.

Bearing damage rarely appears in vibration values (OA values) in the early stages, but FFT analysis allows for early detection of these specific frequency components. This is the greatest benefit of viewing "raw data" with conanair.

With conanair, you can view these "raw waveforms" unlimitedly on your smartphone or PC. Please catch the signs of anomalies with your own eyes that "numerical only" sensors miss. Download the catalog from the page below to check the specifications of conanair.

 

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Try equipment anomaly detection and predictive maintenance for free. Please feel free to contact us.

30-Day Free Trial & Inquiry

Try Conan Air for free for 30 days. Here is what our users are saying:
  • Easy installation for immediate use
  • No app required; operate via web browser
  • No cloud required for fully automatic measurement
  • Affordable, including dedicated software
Try equipment anomaly detection and predictive maintenance for free. Please feel free to contact us. Free Trial

 

Please contact NSXe for any issues regarding facility maintenance

Company Name NSXe Co.Ltd - Nakayama Hydrothermal Industry Co., Ltd.
Head Office 7686-10 Hirano-cho, Suzuka, Mie513-0835, Japan zip code 513-0835
Phone +81-90-2189-1398
FAX +81-59-379-4704
Business Hours 8:00~17:00
Office Regular

Holiday

Saturday afternoons, Sundays and public holidays
URL https://conanair.com/

Please contact NSXe for any issues regarding facility maintenance

Company Name NSXe Co.Ltd - Nakayama Hydrothermal Industry Co., Ltd.
Head Office 7686-10 Hirano-cho, Suzuka, Mie513-0835, Japan zip code 513-0835
TEL +81-90-2189-1398
FAX +81-59-379-4704
Business Hours 8:00~17:00
Office Regular

Holiday

Saturday afternoons, Sundays and public holidays
URL https://conanair.com/