Maintenance Related Questions and Answers - 1

 Maintenance Related Questions and Answers - 1


1. Maintenance KPI
 KPI stands for Key Performance Indicators. In simple terms, maintenance KPIs are a set of parameters that indicate how well a device or system is working and how effective its maintenance is.
 Such as:
 * Number of times the device has failed
 * How long did it take to repair
 * How much is the cost of maintenance

2. OEE Calculation
Overall Equipment Effectiveness
It measures how well a machine or production process is working.
 It looks at three things:
 * How long is the machine running
 * How fast it works
 • How good the product is being made
OEE= Availability * Performance * Quality

3. MTTR:
MTTR stands for Mean Time to Repair. It can be understood how long it takes to repair a device if it is bad. The less it is, the better.

4. MTBF:
 MTBF stands for Mean Time Between Failures. It shows how long a device goes bad intermittently. The higher it is, the better.

5. RCM:
 RCM stands for Reliability Centered Maintenance. It is a method that determines how much maintenance is required for an appliance. Looking at it, what causes the failure of the appliance and how to minimize it.

6. RCA:
 RCA stands for Root Cause Analysis. It is a method by which the root cause of a problem is found. For example, if a machine is bad, RCA is used to see why it is bad, not just repair.

7. PDCA:
 PDCA stands for Plan-Do-Check-Act. It's a cycle that can be constantly improved. First it is planned, then it is done, then it is done to see how it goes, and finally change is made if necessary.

Types of Maintenance:

A. (Corrective Maintenance): Repair if bad.
B. (Preventive Maintenance): Regular checking and maintenance before it deteriorates.
 C (Predictive Maintenance): Understand when repairs are needed based on the condition of the appliance.
 D. (Reliability Maintenance): The maintenance that is carried out to increase the reliability of the appliance.

Autonomous Maintenance:

A method where operators take responsibility for the initial maintenance of their machines. This means that operators regularly clean, inspect, lubricate and fix minor issues with their machines. As a result, the machines are well run and the need for major repairs is reduced. This creates a sense of ownership for the machine of the operators and increases their efficiency.

The 10. Total Productive Maintenance:
TPM stands for Total Productive Maintenance. It is a holistic maintenance method, which involves all employees to increase productivity. The main objective of TPM is to achieve zero errors, zero failures and zero accidents. It combines autonomous maintenance, preventive maintenance, and other maintenance techniques. Through TPM, organizations can increase the performance and lifespan of their machines.

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