Using Vibration Analysis in Predictive Maintenance

Article Written by:

Ganesh Veerappan

Created On:

July 17, 2023

Vibration Analysis in Predictive Maintenance

Table of Contents:

In industries with high assets, it costs to keep quiet. Unpredicted equipment breakdown results in missed production levels, expensive emergency maintenance, and danger to the safety that no company can afford. Depending on a reactive maintenance strategy, where things are broken before they are fixed, is a resource and efficiency killer strategy.  

The industry is switching to Predictive Maintenance (PdM) rather than the run-to-failure way of thinking. Rather than relying on their intuition on the timing when a component may break down, maintenance workers are turning to Vibration Analysis to tune in to their equipment. This method identifies early signs of wear, misalignment, and imbalance way before it results in a disaster.  

Incident identification is one thing, but handling such data is where Cryotos CMMS proves to be a shining star. Using the vibration analysis as part of your workflow, Cryotos is turning raw alerts into work orders to be taken. It makes predictive insights not only reside in a report but to perform timely maintenance to maximize asset health and achieve a smooth flow of operations.  

What is Vibration Analysis?

In essence, vibration analysis involves the monitoring and analysis of the vibration characteristics of machinery. Each rotating machine, such as a motor, pump, fan, or conveyor, possesses a distinctive vibration pattern when running in a healthy condition.  

Once faults start forming, e.g., misalignment, unbalance, looseness, or wear on the bearing, that vibration pattern alters. To measure this information, vibration analysis requires sensors (accelerometers) and analysis of the variations in frequency and amplitude.  

Think of it as a health check-up for your assets. Similar to how a doctor uses a stethoscope to listen to the heart and identify irregularities, the maintenance professional uses a vibration analysis to listen to machine health and identify irregularities in machine health way before they can be seen by the naked eye or heard by the human ear.

The Role of Vibration Analysis in Predictive Maintenance

Predictive maintenance is all about timing—performing maintenance only when it is necessary. Vibration analysis is one of the most reliable methods to determine that precise moment.

Higher systems do not passively store information; they learn. Having a certain level of normal functioning, current predictive maintenance devices will be able to alert to abnormalities immediately. This enables the maintenance crews to shift from the reactive process (fix it when it breaks) to the proactive process (fix it before it breaks).  

Common issues detected include:

  • Imbalance: A spot of heaviness on a rotating component, making it vibrate excessively.  

  • Misalignment: Shafts that are non -collinear and result in stress on bearings and couplings.  

  • Wear: Early signs of fatigue in bearings or gears.  

  • Looseness: Bolts or mounts that have vibrated free over time.  

Real-World Impact: A Case Study in Food Manufacturing

To understand the value of vibration analysis, let’s look at a practical example.  

Consider a food manufacturing plant and a busy one at that; a central conveyor belt system is the production line. Unplanned downtimes in this case do not only translate to a machine that is not running, but also wasted ingredients and missed delivery times.  

The Scenario: The facility implemented a vibration analysis program, mounting sensors on critical motors and drive units. The system continuously collected real-time data, learning the "normal" vibration signature of the conveyor.

The Save: One afternoon, the system detected a high-frequency spike in the drive pulley’s vibration—a deviation from the baseline. An automated alert was sent to the maintenance team via their CMMS.  

The Action: Upon inspection, the team confirmed that a bearing was showing early signs of failure. They scheduled a replacement during a planned shift change.  

  • Result: No accidental loss of time, no disastrous breakdown, and complete production flow. The company identified the problem at an early stage and transformed what could have become a major disaster into another ordinary maintenance job.

Key Benefits of Vibration Analysis

Implementing vibration analysis as part of your predictive maintenance strategy offers tangible returns on investment:  

  • Early Fault Detection: This will be able to detect problems months ahead of a failure, such that repairs can be conveniently scheduled.
     
  • Reduced Downtime: There is no longer any expensive production holdup due to unseen malfunctioning equipment.  

  • Cost Savings: Prevent secondary damage (e.g., a bad bearing spoiling a shaft), save on overtime expenses in case of emergency repairs.  

  • Extended Equipment Lifespan: Keep assets running within their optimal parameters for longer.  

  • Improved Safety: Catastrophic failures can be dangerous. Predicting them keeps your workforce safe.  

How Cryotos CMMS Elevates Vibration Analysis

Although vibration sensors gather the information, a Computerized Maintenance Management System (CMMS) transforms the information into action. Cryotos CMMS is the point of convergence where predictive intelligence collides with maintenance implementation.  

Here is how Cryotos bridges the gap:  

1. Centralized Data & Integration: Cryotos is part of the IoT vibration sensors that will integrate to collect and store the data in a well-organized and secured database. This removes siloing of data and also makes history available to trend analysis.  

2. Automated Alerts & Work Orders: Data is useless without action. Cryotos is an automatic alert that is triggered by the high level of vibration. It has the potential to automatically create a Work Order and give it to the appropriate technician with all the required information, making sure that nothing is left out.  

3. Smart Scheduling: Instead of relying on rigid calendar-based maintenance (which might be unnecessary), Cryotos helps you prioritize tasks based on the actual condition of the asset. If the vibration data says the machine is healthy, you can defer maintenance; if it shows a spike, you prioritize it.  

4. Historical Trend Analysis: Cryotos holds historical information, and teams could see the long-term trends. This aids in making evidence-based decisions regarding the replacement of assets and capital planning.

The Bottom Line

Vibration analysis is not just a technique of diagnosis, but is also a strategic asset of any industry that depends on heavy machinery. It helps you make smarter, faster decisions on what is wrong with your equipment by exposing the concealed health of your equipment.  

Vibration analysis, together with the workflow automation and data of Cryotos CMMS, is a top-to-bottom solution to maximize uptime and reduce costs. Don't only wait until you have a breakdown, foresee it, avoid it, and maintain your operations running well.  

Ready to transform your maintenance strategy? Contact Cryotos today to learn how our CMMS can integrate with your predictive maintenance goals.

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