Constant Assurance of Parts Cleanliness

FiT Guidelines for Process and Quality Assurance in Parts Cleaning

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(PresseBox) ( Hilden, )
The task of industrial parts cleaning is to fulfil requirements for parts cleanliness which result from downstream manufacturing processes. In order to make this possible in a stable and efficient fashion, the Professional Association for Industrial Parts Cleaning (FiT) has prepared guidelines for achieving new levels of process control for assured quality in industrial parts cleaning.

Adequately clean components are a prerequisite for fulfilling quality requirements in manufacturing processes such as coating, bonding, welding and assembly. Assuring that the required degree of cleanliness is constantly maintained if the task of industrial parts cleaning. Process control has thus far been based on empirical experience in most cases, with a central focus on cleanliness inspection at the end of the process as a rule. On the one hand, intervention in the process does not take place until quality problems become apparent, thus resulting in laborious rework, image loss and high costs. On the other hand, this procedure leads to costly, resource-intensive, overcautious operation involving premature bath changes and overdosing of cleaning agents.

Guidelines for Process and Quality Assurance
The Professional Association for Industrial Parts Cleaning (FiT) has tackled this problem and has worked out guidelines for achieving new levels of process control for assured quality in parts cleaning. Emphasis is placed on quality control based on the interdependency of component cleanliness and process parameters.
The FiT expert committee for parts cleaning has thus identified the essential process and quality-relevant aspects required to this end from the chemical and process standpoint, and from the perspectives of system technology, measuring, testing and control, as well as knowledge transfer and qualification. This involves the selection and use of cleaning processes and cleaning agents, as well as the optimised layout of the system in terms of quality assurance. Continuous monitoring and acquisition of parameters which influence quality within the cleaning process, as well as their control, are dealt with to just as great an extent as the goal of knowledge-based process control.
The fundamental principles set forth in the guidelines are the basis for thought and action targeted at assuring stable component cleanliness in an economic and resource-conserving fashion. At the same time, they provide a foundation for collaboration between suppliers from the industry sector and system operators. The guidelines also offer orientation for an exchange of experience and the development of new solutions.
As of the end of October, the process control guidelines targeted at quality assurance for parts cleaning will be available free of charge for downloading from the FiT website at


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