Using the Murphy's Law to Treat Printer Failure
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"People use all kinds of methods to avoid the consequences, but in practice it is often difficult to avoid." This is the meaning of Murphy's Law. The complex mechanical and electronic systems such as printing presses often fail, and Murphy's Law is equally applicable here.
In recent years, improving the reliability of printing presses and reducing the probability of machine failure has become the primary goal of equipment management. However, although we reduce the occurrence of failures through maintenance prevention, regular maintenance, etc., it is impossible to fundamentally eliminate the failure.
Modern printing presses are highly complex mechatronic systems, and the technical risks of their own weaknesses or defects are also the main cause of failures, which can be explained by Murphy's Law.
Complex printers require Murphy's Law
In recent years, computer technology, electronic technology, and automation technology have been widely used in printing equipment. The increasingly complicated system structure makes the failure of the printing machine threaten the stable operation of the production, and the correct analysis and understanding of the failure will help the problem. Quick solution.
Murphy's Law tells us that the occurrence of failure has its objectivity, and the inherent weakness of the printing press architecture is its own technical risk, which is an important factor that must be considered in equipment management and failure analysis. Only in this way can we fully understand the objective laws of equipment failure occurrence and development, then what technologies are imperfectly brewing faults?
Source 1: A large number of applications of electronic technology
For example, the shaftless technology eliminates a large number of drive shafts, simplifies the drive system inside the machine, and greatly simplifies the mechanical drive structure. But it also brings the complexity of the electronic control system, and the electronic system itself has a greater interdependence, which increases the probability of equipment failure to a certain extent.
Source 2: Complex procedures
There are more and more programs in the press control system, which is one of the main sources of printer failure. Especially for large newspaper rotary machines, many of its procedures are compiled on site.
Source 3: Many technologies are still immature
For example, the pursuit of printing speed is more obvious on the rotary machine. The ultra-high running speed requires a long time to verify the bearing capacity of the mechanical and electronic system, and this is one of the many points of failure.
All of the above, we are not saying that the modern printing press has become more and more faulty, but the fact is that the new printing equipment has fewer faults and higher reliability. But we must also see the fact that modern printing press systems have complex electromechanical systems that require Murphy's Law to explain.
Equipment failure has its own contingency and great inevitability. The mechanical transmission load is unbalanced, the application of new technology is not fully verified in the design of electrical system, and the hidden dangers of manufacturing and assembly. These potential factors are also present in domestic equipment and imported equipment, just different and less.
The difference between different grades of equipment is the number of faults and the level of faults. There is never a device that will never fail. The specific performance is as follows:
(1) In general, there will be fewer failures of high-end imported equipment, but more electronic and electrical failures will result from the application of new technologies;
(2) Domestic or low-end equipment is a part of the mechanical structure, the fault is relatively more, and because the electrical structure is relatively simple, the electrical faults are less, and the impact is smaller.
However, whether it is a high-end large-scale imported equipment or a low-end domestic equipment, there is a possibility of failure. Murphy's Law states that all equipment may malfunction and that it has or will fail.
Don't forget Murphy's Law
Murphy's Law reminds us that in addition to the external factors such as management reasons and personnel responsibility, the cause of the machine itself is one of the main factors leading to the failure.
Introducing Murphy's Law is not a negative performance
Introducing Murphy's rule in fault analysis is not a negative performance. We not only need to see the specific cause of the fault, but also need to know from the higher level of the equipment's own weaknesses. It is more in line with the objective of modern printing machine failure. law.
Whether it is equipment managers or production managers of enterprises, we must be soberly aware that the failure of large printing equipment is an inevitable phenomenon in its life cycle. Although we have done a lot of work, three-level maintenance, institutionalized pre-repair, and rigorous training of personnel, the possibility of unexpected equipment failure in the production process, sometimes even inevitable, exists to a large extent. We can think without any prejudice, any enterprise, equipment failure in the production process, 90% of which is caused by the lack of machine production and design, such as bearing damage, belt breakage, circuit board damage, etc. It appears that it cannot be completely solved and avoided by daily maintenance. The root cause of its failure is that it is itself a weak point, so it is normal to have a failure in the production process. To put it another way, most fault points have serious troubles before they fail. Maintenance cannot be avoided even if it is fully in place. Therefore, in the analysis of equipment failure, not only must we see the lack of our own work, efforts to improve, improve management and operational capabilities, not only to analyze the cause of the failure, to find out the point of failure, to do a good job of late prevention, but also need to understand the ink The meaning of the Philippine Law, from the characteristics of the equipment itself to understand the inevitability of the failure, thus a comprehensive understanding of equipment failure.
Use Murphy's Law to look at the problem more objectively
Murphy's Law tells us that problems and failures are often determined by the complexity of the mechatronic system and the weakness of the component structure itself. The main reason cannot be attributed to improper use or improper maintenance. This kind of understanding has great objectivity, conforms to the development law of modern mechanical equipment, and is a leap in equipment management. From the perspective of attribution theory, categorization of different causes leads to different understandings of things, and different attributions of failures will result in different treatments and methods. The role of Murphy's Law is to help the correct attribution of the problem and thus contribute to the final resolution of the problem. The different attributions of a problem, the solution ideas will be completely different, and will also have different psychological effects on the relevant personnel. Usually, in our maintenance process, if some problems that are not personal responsibility are forced to the responsibility of the relevant personnel, the operation and management responsibility will greatly affect the enthusiasm of the relevant personnel, and it is not conducive to the rapid resolution of the failure. For some obvious ones, you can quote the fault of Murphy's Law. Explaining Murphy's Law will make the relevant personnel relieve the psychological pressure and have a good attitude to do their own work. This is very effective for improving work efficiency. . From another point of view, the timely use of Murphy's Law will greatly enhance the initiative of equipment management.
The introduction of Murphy's Law in equipment management and fault analysis is an inevitable requirement for the development of modern printing presses and an advancement in modern technology. The use of Murphy's Law is not only conducive to a comprehensive understanding of the failure rules of modern printing presses, but also to improve the efficiency of equipment management. For today's increasingly complex presses, the use of Murphy's Law is essential.