The value of preventive maintenance of corrugated cardboard production line

The aim of preventive maintenance of corrugated cardboard production line is to prevent equipment failure. Preventive maintenance can protect and enhance the reliability of the equipment by replacing worn parts before failure occurs. Preventive maintenance activities include equipment inspection, the whole or part of the inspection period, the replacement of oil, lubrication. In addition, the worker can record the wear of the equipment in order to identify the parts that need to be replaced, repaired and worn before the parts cause the problem of the system. Recently, the development of testing and diagnostic tool technology can help carton enterprises to carry out equipment maintenance accurately and effectively.

Value of preventive maintenance

When it comes to preventive maintenance, there are a lot of misconceptions. One is that the cost of preventive maintenance is too high. According to this logic, the cost of preventive maintenance is higher than that of regular shutdown and maintenance. For some parts, it is true. However, it is necessary to compare not only the cost but also the long-term profit and cost savings due to preventive maintenance. For example, if there is no preventive maintenance, losses due to unplanned downtime can occur. In addition, preventive maintenance will result in cost savings due to increased production efficiency during use.

Long term benefits of preventive maintenance

Improve system reliability:

Reduce the cost of replacement parts:

Reduce system downtime:

Spare parts inventory management:

From the perspective of long-term impact and cost comparison, preventive maintenance is more meaningful than routine maintenance when equipment failure occurs.

When preventive maintenance

If and only when the following two conditions are met, preventive maintenance is meaningful:

Condition 1: failure rate of faulty components. In other words, the failure rate of the component is increased, which means wear and tear. However, if the failure rate of an element is too high (reflected by the exponential distribution), preventive maintenance is meaningless.

Condition two: the total cost of preventive maintenance activities is lower than the total cost of maintenance maintenance. Pay attention to the cost of maintenance maintenance, including visible and invisible costs, such as downtime loss, production time loss, loss of credibility, etc..

If there are two conditions, preventive maintenance will make sense. In addition, according to the cost ratio, the best time for the preventive maintenance of individual parts can be calculated by computer. www.chinacartonmachine.com

Preventive maintenance requirements for each part of the machine should be concerned about the maintenance, according to the plan. In general, a list of machine manufacturers will be referenced to specify all maintenance tasks and common faults. Each maintenance supervisor should complete the tasks in the framework of the whole plant process and plan. In some cases, it may be different from the viewpoint of the machine manufacturer to maintain the supervisor's evaluation of tasks and plans.

The success or failure of equipment maintenance, to a large extent depends on the maintenance of the skills of supervisors. Therefore, it is necessary to create a document database for all of these processes. That is to say, it is necessary to establish a computer program to store all this information and guide the maintenance of the machine. To some extent, the preventive maintenance work of professional requirements, the need for trained technicians to competent. The work of electronic control is required especially for the mechanic. Maintain the responsibility of supervisors is not small, to machine maintenance personnel to carry out appropriate training and task allocation.

Corrugated box machinery manufacturing industry equipment is not as complex as other industries equipment is difficult to wait". A typical maintenance of good processing equipment, in principle, as long as the use of high quality raw materials: corrugated cardboard, printing plate, die cutting die and ink can be kept day and night to produce high-quality carton products. When the production of the factory deviates from the normal operation plan, the use of the old equipment, damaged plate and mold, of course, will lead to product quality problems. Worn bearings, gears, rollers, and other machinery are the root causes of landslides.

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