El Predictive Maintenance It is one that is based on periodic inspections to determine the status and operability of the equipment and facilities. Technicians dedicated to this type of industrial maintenance will need to have in-depth knowledge of the equipment they are analyzing, and to know a series of factors or variables that can affect these systems.
By example, maintenance operations must know the temperature or range of operating temperatures tolerated by a system, the pressure, maximum accepted vibration, the number of cycles it accepts before breaking, hours of work, know the possible failures that it could have, etc. . Everything had to be determined with the help of information from the equipment manufacturer or, failing that, through sophisticated studies and analyzes.
This type of predictive maintenance is performed periodically, in more or less short time intervals, depending on the type or nature of the machine or system being inspected. That largely helps prevent failures or avoid certain worse consequences that would occur if the maintenance were bad.
Advantages and disadvantages of predictive maintenance
Like everything in life, this type of industrial maintenance has its advantages and disadvantages. Therefore, it must be evaluated if it is the right one in each case or if another type of maintenance or combination of several models is needed.
Between the advantages of predictive maintenance are:
- It allows detecting failures in the initial stages or that have not yet occurred. This gives you enough planning and action time to take corrective measures Before something worse happens.
- Finding faults early will also affect service life. The reason is that some faults could cause vibrations, overheating, leaks, etc., which could accelerate the deterioration of other components in the system.
- They are usually on-condition, that is, they do not require the machine to be stopped and it can continue to operate while the analysis is being carried out.
- Savings in spare parts.
- Greater reliability and productivity.
- Reduction of maintenance time and costs.
But there are also some disadvantages outstanding in this type of industrial maintenance:
- You need highly qualified personnel. This could mean having a technical staff dedicated exclusively to it, hiring external technicians, or training your operators with courses.
- The initial investment to put the maintenance plan in place and the tools are more expensive than with other types of maintenance. For example, with monitoring and analysis systems, thermography tools, etc.
You should evaluate in each case if these additional costs are less than the savings stated in the benefits and determine if it is the model to follow or not. Of course, when working with sophisticated equipment it is one of the best models, since it usually costs more to repair high-tech equipment than this.