CNC Machining and CNC Machine Tools, Technology of mechanical manufacture

Seven Misunderstandings of Equipment Managers

Introduction: Equipment management is the material basis for guaranteeing the company’s production and reproduction, as well as the basis for modern production. Due to the long-term influence of the traditional maintenance model and after-service maintenance ideas, there are currently seven major misunderstandings in the equipment management of domestic enterprises, which seriously impedes the upgrading of enterprise equipment management and the modernization process. In order to meet the needs of modern equipment management models, equipment management personnel must go out of their misunderstandings and establish a new understanding system. perfect parts

Misunderstanding: As long as the device will fail.

Correction: The reliability-centered maintenance idea shows that as long as the reliability data analysis is used as the basis, advanced testing techniques and diagnostic methods can be used to achieve zero equipment failure. This kind of thinking made the maintenance work more targeted, made the subjectivity and objectivity more consistent, enhanced the scientific nature, and reduced the blindness.

Misunderstanding 2: The equipment must be regularly overhauled. perfect parts

Corrections: Recent studies have shown that with the application of new materials and new processes, the reliability of the equipment is increasing, and the invisible wear of the equipment is accelerating. More than 60% of the equipment failure rate curve is only the initial failure period, but no loss of failure period. The blind overhaul will introduce a new initial failure period and increase the equipment failure rate. Because different parts of the equipment have different movements, different loads, and different working environments, abrasion, aging, and damage are different. Partial repairs, that is, minor repairs, item repairs, assembly or component maintenance are more economical and reasonable.

Misunderstanding: No failure, it is difficult to find the cause of the failure.

Correction: Failures do not occur out of thin air, but are formed over time. Dust, oil, stress, micro-cracks, corrosion, looseness, poor contact, and aging are the causes of failure. Therefore, there are a large number of hidden problems below the fault that require careful observation and discovery. This is also the significance of full-service maintenance. As long as the foundation is strengthened, starting from the subtleties, such as inspection, cleaning, maintenance, anti-corrosion, vibration reduction, balance, etc., will be able to prevent problems, and it is also the most economical equipment maintenance strategy. perfect parts

Misunderstanding 4: Spare parts management is difficult to solve the conflict between maintaining and compressing spare parts inventory.

Correcting: As long as the spare parts are properly classified, key spare parts are stored redundantly, normal spare parts are normally stored, unimportant spare parts can be stored in short, and a large number of spare parts are used for zero inventory, which can reduce inventory costs without creating an emergency shortage. Such as: According to the “critical” of the equipment, components, parts are all A, B, C classification, from AAA to CCC, according to the degree of criticality, priorities for redundant inventory, general inventory, shortage of inventory and only information No stock zero inventory management.

Myth 5: It is impossible for operators to participate in the maintenance of equipment.

Correction: The operator is in touch with the equipment every day and knows the best performance of the equipment; abnormalities such as sound, temperature, motion, odor, and color in the operation of the equipment are the first to be perceived by the on-site operator. Therefore, whether the operator can operate correctly and be responsible for the equipment is not the same. As the degree of automation of the equipment is increased, the operation becomes simpler and easier, and it also makes it possible for the operator to take more responsibility for the equipment. perfect parts

Misunderstanding 6: The organizational structure of the company’s equipment management cannot be changed.

Correction: The equipment management organization should make continuous efforts in the direction of flattening, professional splicing, process priority, short-circuit management, dilution and division of labor, and fuzzy border management. The reasons are: too many layers, creating more problems, solving fewer problems, prolonging the management cycle, and lowering efficiency; the production site is like a battlefield, and the principle of process priority is the principle. The same level can command the same level, making management short-circuit and quick response. The implementation of dilute the division of labor and blurry borders can make pushing and shuffling into active replenishment; it will always insist on setting up posts and setting posts. perfect parts

Misunderstanding 7: The company must have a maintenance team that can handle all equipment problems.

Correction: Contradiction between advanced equipment and backward maintenance teams will always exist. Socialized maintenance is the future development trend. What companies need to do is to integrate maintenance resources and maintain management. perfect parts

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