Preventive Maintenance and Predictive Maintenance

Preventive Maintenance And Predictive Maintenance

It is a strategy used to maintain machinery and equipment to ensure smooth operation and reduce potential damage. The approaches differ in terms of planning and execution as follows:

The difference between

Preventive And redictive

Title	Preventive Maintenance (PM)	Predictive Maintenance (PdM)
Maintenance method	Repairs according to the specified period of time.	This is done when there are signs of deterioration detected.
Technology	No need for high technology	Need equipment and tools to analyze abnormalities.
Efficiency	Reduces risk, but has maintenance that may not be necessary.	has higher efficiency Because they do it when they encounter abnormalities.
Cost	There can be high costs from unnecessary maintenance.	Reduce costs by making repairs Only when abnormalities are detected

Preventive Maintenance (PM)

Preventive Maintenance (PM) is scheduled maintenance that does not require monitoring the actual condition of the machinery. Instead, it relies on predefined time intervals, such as every 3 or 6 months. This type of maintenance is typically determined based on manufacturer recommendations or operational experience to prevent deterioration before problems arise.

ตัวอย่างงานใน Preventive Maintenance:

01

Fluid Replacement

Refers to replacing fluids such as engine oil, gear oil, or other lubricants at intervals or mileage specified by the manufacturer. This maintains the performance of the engine or system and reduces component wear.

02

Replacing Parts Based on Service Life

Involves replacing machinery or equipment components at scheduled intervals or usage periods as recommended by the manufacturer. This prevents failures or operational disruptions without waiting for parts to malfunction or break.

03

Checking Belt Tension

Involves inspecting and adjusting the tension of belts or aligning pulleys to ensure the drive system operates efficiently. Proper tensioning minimizes unnecessary wear and friction, extending the lifespan of belts and other drive system components.

Predictive Maintenance (PdM)

Predictive Maintenance uses monitoring technologies and data analysis to continuously assess the condition of machinery. Maintenance is performed only when signs of deterioration are detected. This approach typically involves measurements such as vibration analysis, temperature monitoring, lubricant inspection, and acoustic monitoring to predict when machinery might experience issues. It allows for maintenance to be planned only when necessary, optimizing efficiency and minimizing unplanned downtime.

Predictive Maintenance:

Bearing Defender

Vibration Camera Motion Detector

Vibration Analysis

01

Vibration Analysis refers to the process of measuring and analyzing the vibrations of machinery or equipment to assess its operating condition and detect abnormalities, such as component wear, imbalance, or bearing damage. This method helps prevent severe damage and reduces downtime by allowing for preventive maintenance before problems escalate.

Vibration Analyzer Falcon

02

Using Machine Learning or AI for Maintenance Prediction

The use of Machine Learning (ML) or Artificial Intelligence (AI) involves analyzing data from machinery or equipment using advanced algorithms to predict future maintenance needs. This predictive approach allows for advance warning before a failure occurs, enabling timely and efficient maintenance actions. It helps avoid unplanned downtime and reduces costs by identifying potential issues early and allowing for proactive repairs or replacements.

Oil Analyzer

03

Oil Analysis

Oil Analysis is the process of inspecting and evaluating the properties of the lubricating oil used in machinery to diagnose the condition of the machinery and the quality of the oil. It helps identify potential issues and prevent damage before it occurs by analyzing factors such as contamination, wear particles, and oil degradation. This proactive approach helps extend the life of both the machinery and the oil.

It greatly contributes to Zero Breakdown or preventing machinery downtime.

Benefits of Both Maintenance Approaches

Zero Breakdown or preventing machinery stoppage is a key goal in industrial maintenance systems. The focus is on minimizing the chances of damage or downtime as much as possible through various maintenance strategies and the involvement of all staff. Achieving Zero Breakdown not only reduces time and costs but also improves production efficiency and lowers the rate of damage during operations.

How to Achieve Zero Breakdown

Preventive Maintenance

40%

Predictive Maintenance

35%

Routine Inspection and Cleaning

25%

1. Preventive Maintenance

Preventive maintenance involves scheduled repairs and inspections, with regular replacement of worn-out parts, to prevent degradation that could lead to significant machinery damage. This approach helps to avoid unexpected failures by proactively addressing potential issues before they become serious problems.

2. Predictive Maintenance

Predictive maintenance uses technology and data analysis to monitor machinery condition. The collected data may be analyzed by AI or machine learning software to predict wear and tear and alert when maintenance is due. This method reduces the risk of premature damage and extends the lifespan of machine components.

3. Routine Inspection and Cleaning

Daily cleaning and inspections help prevent the buildup of dust, dirt, and foreign particles that could cause overheating, degradation, or contamination. Regular checks also allow operators to spot minor issues early, before they escalate and lead to machine breakdowns.

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19 Nov, 2024

By Admin Faadtech
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