Types of Maintenance and Their Benefits

Maintenance is every action of control and monitoring of the equipment. Maintenance does not increase reliability it only takes the equipment to operate always near the conditions in which it left the factory.
There are basically three types of maintenance:

Preventive maintenance.

The definition of preventive maintenance is one of the most important types of maintenance within an industrial plant and requires planning and training efforts of the specialized teams, always with the intention of keeping the equipment in the most extreme availability, based on reliability procedures.Whether in stand-alone actions or in large stops, preventive maintenance is one of the highest priorities for managers in industries and companies when performing the scope of work, which is still a reality a little distant from what is currently happening in many organizations .

Although concepts about the need to perform preventive, predictive, corrective maintenance or planned maintenance as well as reliability-centric maintenance are already part of the daily lives of many engineers and supervisors, there is still a large number of companies and managers who see the maintenance as an additional cost in the company’s expenses.In fact, by reviewing the concepts of preventive maintenance, maintenance procedures are able to lower costs and further increase the company’s profitability.

This is because the preventive actions of repairs, changes of machines and replacement of parts guarantee a continuous production process, with the minimum of interruptions and stoppages due to failures and malfunctions that may happen.Particularly in industrial preventive maintenance, the need to develop and implement specific maintenance plans associated with the concepts of Kaizen, Kanban, Six Sigma, Lean Manufacturing and based on the most diverse types of requirements and maintenance indicators is what can ensure a production continuous, quality and with total standardization, without the obligation of constant interventions.

Preventive maintenance of equipment:

Preventive maintenance on equipment is performed to maintain the equipment and extend its life.The main purpose of preventive maintenance in equipment is to avoid or mitigate the consequences of failures.This can be done by preventing the failure before it actually occurs.Preventive maintenance is designed to preserve and restore equipment reliability by replacing worn components before they actually wear out.Preventive maintenance activities on equipment include partial or full overhauls in specific periods, oil changes, lubrication, and so on.In addition, deterioration of equipment can be recorded so that worn parts are repaired or replaced before they cause wear or failure of the equipment system.The ideal preventive maintenance program would be to avoid any equipment failure before it occurs.

Preventive maintenance in electrical equipment

Preventive electrical maintenance in equipment guarantees the good performance of the machines and the safety on the factory floor.When a company’s good performance depends on electrical machinery and equipment in good working order in order to get increased productivity and improved cash flow, it is extremely important to keep these machines inspected and on a regular basis.Preventive maintenance on electrical equipment done on a regular basis by a trained, professional and experienced team in electrical work helps detect problems and malfunctions before they occur.By employing routine maintenance based on advanced technology and electrical skills, industrial equipment and machines can continue to work efficiently, reducing the risk of a catastrophic failure that can cost time and money.

Saving time and money

An effective electrical preventive maintenance program on the shop floor involves scheduling routine inspections and examinations on a regular basis, ensuring that equipment and machines are constantly checked, no matter the size of the problem they present.Even minor and seemingly unimportant electrical problems can become more serious failures if they are not detected in advance, which eventually generates emergency repairs that require suspension of production lines and exchange of expensive spare parts.In a challenging global economy, disruption of production due to equipment failure can have major setbacks for companies.

Safety in the workplace

Preventive electrical maintenance helps companies save time and money, but also keeps the equipment functioning properly, reducing the risk of danger and providing a safer working environment.Any type of failure in electrical industrial equipment can cause serious hazards, including fire and short circuits.Equipment that is not working properly or with problems that are detected have unfortunate results for electricians working with or near appliances.Therefore, machines should be inspected frequently to identify potential problems and prevent them from becoming real hazards in the workplace.

Advantages of preventive maintenance

Preventive maintenance is simply a scheduled maintenance of equipment or facilities.Tasks may vary by design, but generally include cleaning, adjusting machines, replacing components that are used, lubricating moving parts, and checking for wear and tear.A complete program will have regular inspections, scheduled maintenance, “non-destructive testing,” and repair or replacement of problems encountered.

The right time for preventive maintenance scheduling

Scheduling for equipment maintenance can occur when machines are in the shortest use or when they are not in use.Planned preventive maintenance has several benefits.The machines are less likely to break when in use.If a machine stops running at the same time as it is producing, production is stopped until it is repaired.Employees can not be productive and often must receive overtime after the equipment is repaired.Production is delayed and this can cause customer service issues if you have a request for a certain number of products and can not deliver because the machine has broken.

Costs of preventive maintenance

Equipment or facilities that regularly have scheduled maintenance can save a lot of money. For example, if a person looks at the structure of a building every three months, it can identify problems before they get worse and subsequently become more expensive to repair. If a small leak is found on the roof, it can be corrected. If left unmaintained, the leak can destroy products, interior walls, floors and even create a health hazard. In this example, if the leak was not detected early by preventive maintenance, water could enter the building and a person could slip and fall, causing a safety problem.
Quality by preventive maintenance

Preventive maintenance plans for machines may include recalibration that improves quality and reduces product rejection.

Predictive Maintenance

It is the periodic monitoring of the equipment, based on the analysis of data collected through monitoring or field inspections.

Predictive maintenance has been recognized as an effective maintenance management technique.Other terminologies have emerged as maintenance management tools, these new terms – RCM, maintenance-centric reliability;TPM, total productive maintenance;and JIT, Just-in-Time maintenance – are presented as substitutes for predictive maintenance and the ultimate solution to their high maintenance costs.

Predictive monitoring techniques, ie, condition-based, include: vibration analysis, ultrasound, ferrography, tribology, process monitoring, visual inspection, and other non-destructive analysis techniques.

Corrective maintenance

This is a non-periodic maintenance that can variably occur, it has its causes in failures and errors, which equipment has in this instance, deals with the correction of current and not imminent damages.This is a maintenance that adds more cost to the owner of the establishment, so in many cases a preventive maintenance contract is recommended.

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