How to Maintain Weighing Systems?

The maintaining cost of the scale is becoming more and more expensive. Hence, we’d better to maintain the scale well preventively to save cost and time.

 
We have achieved significant progress about the structure and technology of scales over the past years. Hence determining the state of individual components or assemblies is becoming increasingly difficult, because up-to-date systems have significantly more weaknesses than older machines. In addition, design engineers no longer tend toward over-dimensioning but instead rather develop lighter systems that require less space. As a consequence, many components have become more sensitive to wear and failure.

Maintenance and repair concepts primarily aim at ensuring the highest possible technical availability of a system. An increasing number of companies have come to realize that maintenance is not just a necessary evil or merely an originator of costs. When a scale fails, a company not only has to face the costs resulting from potential repair or replacement of defective components. The company will not be able to continue its production while the system is down. The ever increasing pressure resulting from the competition for quality and efficiency forces companies to introduce maintenance and repair systems to avoid undesired system failures. This applies in particular to industry and truck scales as well as process systems using gravimetric weighing systems.

Preventive maintenance - Definition and objectives

Maintenance: Measures taken to delay the degradation of the existing volume of wear.

Inspection: Measures taken to determine and evaluate the actual state of a unit under consideration including the determination of the causes of wear and deriving the required consequences for future use.

Corrective maintenance (overhaul - repair): Measures taken to restore the operational state of a unit under consideration, except for improvements.

Improvement: Combination of all technical and administrative measures as well as management measures to increase the functional safety of a unit under consideration without modifying its requested functionality.

Preventive maintenance is particularly important where the failure of technical systems might result in irreversible damage to human life or major economic damage. The primary goal is to prevent system failure. Other objectives can be:

lIncreasing and optimally utilizing the life of systems and equipment,

lEnhanced operational safety,

lHigher system availability,

lReduction of failures,

lPredictive cost planning.

Those preventive measures are not very hard to accomplish but need regular practices. We should nip the failure in the bud to prevent the weighing system from damaging.

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