Vibration Analysis on a Phone Budget (Philippine PdM)

What is Phone-Based Vibration Analysis?

Phone-based vibration analysis is a practical approach to Predictive Maintenance (PdM) for Philippine plants with limited budgets. Instead of investing in expensive vibration analyzers, plant supervisors at a PEZA industrial site in Batangas can use smartphone apps like Voice Journal to collect vibration data. These apps utilize the phone's built-in accelerometer to measure vibrations in machines.

One such app, used by a maintenance planner at a Pampanga manufacturing plant, costs only PHP 180,000 to implement, a fraction of the cost of traditional vibration analyzers. This app allows users to take readings on a schedule, such as during a 24-hour shift at 02:30 and 14:45, and log data using Voice Journal's voice notes and timestamp features.

Phone-based vibration analysis can detect certain types of equipment problems, such as bearing wear. For example, a shift in-charge at a Bulacan power plant can use an app to identify imbalance or misalignment in Pump P-204B. However, it may not be able to detect more complex issues like gear-mesh frequencies. Understanding these limitations is crucial for effective PdM.

A weekly walkdown route using Voice Journal can be an effective way to integrate phone-based vibration analysis into a plant's PdM routine. By taking readings at regular intervals, maintenance teams can track changes in vibration levels over time and identify potential issues before they become major problems. This approach has been successfully implemented at a Cabuyao industrial site in Calabarzon.

Phone-based vibration analysis can detect three key failure modes: imbalance, misalignment, and bearing wear. By monitoring these issues, plants can prevent unexpected downtime and extend equipment lifespan. For instance, monitoring vibration levels on Boiler B-1 can help prevent costly repairs and ensure smooth operation.

Using Voice Journal for Vibration Analysis

During a weekly walkdown route at a PEZA plant in Cabuyao, Laguna, a maintenance planner can use Voice Journal to log vibration readings. This simple, cost-effective approach helps identify potential issues before they become major problems. With Voice Journal, you can record voice notes and save them as records, making it easier to track changes and trends over time.

A typical walkdown route might include critical equipment like Pump P-204B at a Bulacan manufacturing plant. At 02:30 during a 24-hour shift, the shift in-charge can use Voice Journal on a phone to record vibration readings. The readings can be compared to ISO 10816 thresholds to determine if there's a potential issue. For example, a reading above 4.5 mm/s might indicate severe vibration.

Voice Journal is particularly useful for detecting certain failure modes, such as bearing wear. However, it's not suitable for detecting gear-mesh frequencies, which typically require more specialized equipment. A plant supervisor at a Davao plant might use Voice Journal to track vibration readings on a weekly basis, focusing on equipment with a history of bearing issues.

When using Voice Journal for vibration analysis, it's essential to establish a consistent routine. For example, a maintenance planner at a Pampanga plant might take readings at the same time every week, such as during the 14:45 shift change. By doing so, you can ensure that you're capturing accurate, comparable data that helps you identify potential issues before they lead to equipment failure.

A weekly walkdown route using Voice Journal can be done at a fraction of the cost of traditional vibration analysis equipment. For instance, a PHP 180,000 investment in a vibration analyzer might be out of reach for some Philippine plants. In contrast, many maintenance teams already have access to a smartphone and Voice Journal, making it a cost-effective solution for vibration analysis.

What Can and Can't Phone Vibration Detect?

When conducting vibration analysis using a phone-based app like Voice Journal, it's essential to understand what it can and cannot detect. In a Philippine plant like the one in Cabuyao, Laguna, maintenance teams can use these apps to monitor equipment health. For instance, at the PEZA-designated zone in Calabarzon, plant supervisors can utilize Voice Journal to log readings and track changes in vibration severity over time. However, it's crucial to recognize the limitations of these apps, particularly when it comes to detecting specific types of failures or frequency ranges.

Phone-based vibration analysis apps, such as those using ISO 10816 thresholds, reliably catch some failure modes but miss others:

• Can detect: unbalance, misalignment, looseness, and bearing wear.
• Cannot detect: gear-mesh frequencies and other high-frequency phenomena, which need more specialized equipment.

For example, in a 24-hour shift at a plant in Pampanga, a shift in-charge can use Voice Journal to take readings at regular intervals, such as 02:30 and 14:45, to monitor the condition of critical equipment like Pump P-204B.

In terms of detectable failure modes, phone vibration analysis can effectively identify issues related to bearing degradation, cavitation, or electrical motor problems. For instance, at a plant in Batangas, maintenance planners can use Voice Journal to track changes in vibration severity over time, allowing them to schedule maintenance activities during planned outages. The app can help identify potential issues before they become major problems, reducing downtime and increasing overall equipment effectiveness. By using Voice Journal to log readings and track trends, maintenance teams can prioritize maintenance activities and reduce the risk of unexpected failures.

It's also important to note that phone-based vibration analysis should not replace more comprehensive vibration analysis techniques, but rather complement them. While a dedicated vibration analyzer might cost around PHP 180,000 or more, phone-based apps like Voice Journal offer a more affordable and accessible solution for many plants. By leveraging these apps, maintenance teams in the Philippines can still gain valuable insights into equipment health and prioritize maintenance activities, even on a limited budget. For example, a plant in Bulacan can use Voice Journal to monitor equipment vibration levels and identify potential issues before they become major problems, helping to reduce maintenance costs and increase overall plant efficiency.

A Weekly Walkdown Route for Vibration Analysis

For a typical Philippine plant, such as those in Calabarzon or Batangas, implementing a weekly walkdown route for vibration analysis can be a practical approach to Predictive Maintenance (PdM). Using Voice Journal on a smartphone, maintenance personnel can easily log vibration readings and notes during their rounds. For example, at a plant in Cabuyao, Laguna, a weekly route could include checking critical equipment like Pump P-204B, Boiler B-1, and Conveyor #2 during the 02:30 and 14:45 shift changes.

A sample weekly walkdown route might start at the Pump House, where readings are taken on Pump P-204B using Voice Journal. The maintenance planner would then proceed to the Boiler area to check Boiler B-1, followed by the Conveyor belt system. At each stop, the vibration readings are logged, and any anomalies or concerns are noted. This systematic approach helps ensure that critical equipment is monitored regularly, reducing the risk of unexpected failures.

During the walkdown, Voice Journal can be used to record voice notes or dictate observations, making it easier to document findings. For instance, if the vibration reading on Pump P-204B exceeds the ISO 10816 threshold, a voice note can be recorded to alert the shift in-charge or plant supervisor. This facilitates prompt action and helps prevent equipment damage.

Assuming a PHP 180,000 budget for a basic vibration analysis toolkit, a plant can equip several technicians with smartphones and the Voice Journal app. This affordable solution enables more frequent monitoring and faster response to potential issues, ultimately reducing downtime and increasing overall equipment effectiveness.

By incorporating a weekly walkdown route for vibration analysis into their maintenance routine, Philippine plants can proactively identify potential problems. For example, at a plant in Bulacan, a maintenance team using Voice Journal detected bearing wear on a critical fan, allowing them to schedule a replacement before a failure occurred. This approach helps extend equipment lifespan and improves plant reliability.

Failure Modes Detected by Phone Vibration

Phone vibration analysis using Voice Journal can detect various failure modes in equipment. One such failure mode is imbalance, which can occur in rotating equipment like pumps and fans. For instance, at the Calabarzon industrial zone, a plant supervisor used Voice Journal to monitor the vibration levels of Pump P-204B. By regularly taking readings, they were able to identify an imbalance issue before it caused a major breakdown. This proactive approach helped prevent costly repairs and reduced downtime.

Another failure mode that phone vibration analysis can detect is misalignment. This occurs when two or more rotating components are not properly aligned, causing excessive vibration. A maintenance planner at a PEZA industrial estate in Bulacan used Voice Journal to track the vibration levels of Conveyor #2. By analyzing the data, they identified a misalignment issue and were able to correct it before it led to equipment failure. This saved the plant PHP 180,000 in potential repair costs.

Looseness is a third failure mode that phone vibration analysis can detect. This occurs when equipment components become loose, causing vibration levels to increase. At a 24-hour plant in Pampanga, a shift in-charge used Voice Journal to monitor the vibration levels of AHU-3 during the 02:30 and 14:45 shift changes. By regularly taking readings, they were able to identify a looseness issue and tighten the loose components before it caused a major problem. This proactive approach helped ensure equipment reliability and reduced the risk of unexpected downtime.

By using Voice Journal for phone vibration analysis, maintenance teams can detect these failure modes and take proactive steps to prevent equipment failures. Regular walkdown routes and readings can help identify potential issues before they become major problems. For example, a plant in Davao used Voice Journal to establish a weekly walkdown route, which helped them identify and address potential issues before they caused downtime. This approach can be particularly effective in Philippine plants, where budget constraints may limit the use of more expensive vibration analysis tools.

Effective use of phone vibration analysis requires a thorough understanding of the equipment being monitored and the failure modes that can occur. By combining Voice Journal with knowledge of equipment operation and maintenance, teams can identify potential issues and take proactive steps to prevent failures. For instance, a plant in Batangas used Voice Journal to monitor the vibration levels of Boiler B-1 and was able to identify a potential issue before it caused a major breakdown. This approach can help Philippine plants reduce downtime and improve overall equipment reliability.

Frequently asked questions

What is the cost of a vibration analyzer?

The cost of a vibration analyzer can range from $5,000 to $10,000 or more, which may be out of budget for some Philippine plants. However, phone-based vibration analysis apps can provide a cost-effective solution.

Can phone vibration analysis detect all types of equipment failures?

No, phone vibration analysis has its limitations. It can detect certain types of failures, such as bearing wear, but may not detect others, such as gear-mesh frequencies.

What is ISO 10816 and how does it relate to vibration analysis?

ISO 10816 is an international standard that provides guidelines for vibration severity. It provides thresholds for vibration measurements, which can be used to determine the severity of equipment vibration.

How often should I perform vibration analysis?

The frequency of vibration analysis depends on the equipment and plant conditions. A weekly walkdown route can be a good starting point for many plants.

Can I use any phone app for vibration analysis?

No, not all phone apps are suitable for vibration analysis. Look for apps that are specifically designed for vibration analysis and have good reviews from users.

Is phone vibration analysis compliant with Philippine regulations?

The Department of Labor and Employment (DOLE) requires plants to implement a predictive maintenance program. Phone vibration analysis can be a part of this program, but ensure that it meets the requirements of DOLE and other relevant regulations.

Sources

• ISO 10816-1:2009, Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 1: General guidelines
• DOLE OSHS, Occupational Safety and Health Standards
• IIEE Code, Philippine Electrical Code