Industry 4.0 Closed Loop Tolerance Engineering Maturity Evaluation
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Closed Loop Tolerance Engineering (CLTE) is introduced as a model of information flow – feed forward and feedback- between functional requirements, tolerance selection, process capabilities and product performance. “Industry 4.0” and “Cyber physical manufacturing systems” opens new potentials for information and data exchange along variation management activities, when developing, producing and manufacturing products. This paper describes a method for evaluation of the maturity level of the CLTE data and information exchange. The method is based on and validated through empirical findings from field studies in a number of manufacturing companies.