Equipment service,maintenance--Why is the EPS equipment【machine】 in need of maintenance?

Equipment Service (maintenance) : A combination of maintenance and repair of Equipment. To prevent deterioration of Equipment performance or reduce the probability of Equipment failure, technical management measures are taken in accordance with a predetermined plan or corresponding technical conditions.

Equipment Service, maintenance: The combination of Equipment Service and maintenance.

Technical management measures taken to prevent deterioration of equipment performance or to reduce the probability of equipment failure, as prescribed in advance by plans or corresponding technical conditions.

When the production line equipment failure, the operator needs to promptly notify the equipment maintenance personnel to come to maintenance. The wireless alarm button is usually installed in the work station.

The equipment maintenance personnel carry the mobile BP machine with point rubbing. Equipment failure, as long as the operator a button, equipment maintenance personnel can immediately receive alarm information to the fault site.

Production Line equipment maintenance, general equipment with production line equipment abnormal Kanban, maintenance personnel and leadership can be intuitive timely understanding of the production line equipment status

Ideas

Equipment Maintenance and repair, if only when the problem occurs, will lead to low production capacity and quality, loss of competitiveness.

It is therefore necessary to determine some of the basic ideas of maintenance and then group them:

There are several basic ways to do this:

BM: BREAKDOWN MAINTENANCE

PM: PREVENTION MAINTENANCE

PM: PRODUCTIVE MAINTENANCE

TPM: TOTAL PRODUCTIVE MAINTENANCE

Predictive Maintenance (PDM: Predictive Maintenance)

Condition Based Maintenance (CBM: Condition Based Maintenance)

Stage

The step-by-step process of equipment management is divided into five stages:

(1) phase 1, maintenance after the fact

All that was done before 1950 was BM: Breakdown Maintenance.

The idea is to wait until it breaks, even now, when the loss of production equipment can be ignored to take after the maintenance program. It is difficult to plan ahead if the repair operation is sudden. Therefore, it is easy to disadvantageous to the distribution and arrangement of personnel, materials and equipment. However, from a productive to a comprehensive point of view, if this efficiency can be ignored, it can be maintained afterwards.

Also, when the Mean time between failures is not fixed, the average repair period (MTTR) is short, and periodic parts exchanges can be costly, in which case ex post maintenance can also be undertaken.

(2) phase 2, Preventive Maintenance

Prevention Maintenance was introduced in the United States around 1950.

This approach is to maintain the equipment before it fails.

Preventive Maintenance (pm) is a method to prevent downtime caused by sudden failure of equipment. It is a maintenance method to replace components or a Unit according to economical time interval.

Preventive maintenance intervals may be annual or semi-annual or monthly or weekly, depending on the size or life of the equipment, regular spot checks or repairs or overhauls.

Preventive maintenance can be uneconomical if it is excessive.

Plan preventive maintenance based on the cost of after-action repairs or the achievement of integrated production and production targets, and the efficiency of operation.

Phase 3, PRODUCTION MAINTENANCE

The 1960s considered the use of PM: Productive Maintenance. This is the best way to ensure the most economical maintenance that can improve the productivity of the equipment. This approach is a way of combining the Cost of the equipment itself (LCC: Life Cycle Cost) or all the costs of maintaining the equipment throughout its life with the deterioration of the equipment and Justification, and then deciding how to maintain it.

There are two ways to think about this:

1. CM: CORRECT MAINTENANCE

In order to make the maintenance and repair of the equipment easier, it is further said that the equipment can be improved without maintenance, that is to say, the technical improvement of the equipment by improving and improving the productivity of the equipment.

2. Maintenance Prevention

In order to radically reduce the cost of equipment maintenance, it is better to make equipment that does not need maintenance or to consider it when you purchase it than to just consider how to maintain it. The idea of maximizing the smooth and economical operation and maintenance of equipment is called maintenance prevention.

Phase 4 TPM

Since 1970, it has been involved in TPM (total productive maintenance) , which consists of small group activities organized independently by operators.

In 1971, Japanese Denso published an article called total participation in production maintenance (TPM) .

It points out that production prevention (maintenance) is not only the responsibility of the office workers, but also the Total prevention of the whole company including all Staff-centered management, management and workers.

Management is responsible for promoting production and maintenance, all operators should participate in the activity with enthusiasm, even if it is not yet mature and perfect, but it has been the symbol of the innovation TPM activity.

Phase 5, predictive maintenance

That's the predictive maintenance that became 1980s.

Predictive preservation is the concept of diagnosing the deterioration or performance of equipment and then carrying out the maintenance and maintenance activities based on the diagnosis. Therefore, to try to correct and high-precision grasp the deterioration of equipment, this is a prerequisite.

The observation of deteriorating states and the implementation of maintenance when it is really necessary is CBM: condition-based maintenance.

With the quantitative grasp of equipment condition and the improvement of equipment fault diagnosis technology, it has recently changed from check check and repair based on time to judge and countermeasure based on equipment condition.

Time-based maintenance is called TBM (time-based maintenance) or planning maintenance.

Enhancement Measures

1. Develop a device usage program

2. Strengthening maintenance work according to schedule

3. ESTABLISH EQUIPMENT OPERATION AND MAINTENANCE PROCEDURES

4. ESTABLISH RESPONSIBILITY SYSTEM FOR EQUIPMENT USE

5. Establish a maintenance system for equipment

Maintenance project

1) cleaning: not only the surface, to clean up every nook and cranny, so that equipment, tooling wear, noise, loose, deformation, leakage and other defects exposed, timely elimination;

2) Lubrication: lack of oil, lack of grease caused by poor lubrication, make equipment operation is not normal, some parts excessive wear, high temperature resulting in hardness, wear resistance reduced, and even form thermal fatigue and coarse grain damage. Should be timing, quantitative, qualitative, timely oil, fat;

3) fastening: Fastening Bolts and nuts to avoid parts loose, vibration, sliding, falling off caused by failure;

4) plugging: Prevent and plug the leakage of lubricating grease, Compressed air, steam, water, cooling medium, air conditioner and heat.

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