Temat: 3D process control - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Assessment of Cutting Edge Defects Using a Vision Method
Autorzy:: Sioma, A.
Powiązania:: https://bibliotekanauki.pl/articles/387280.pdf
Data publikacji:: 2012
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: przetwarzanie obrazów
sterowanie
kontrola jakości
3D vision system
image processing
surface defects
process control
quality control
Opis:: The paper discusses a vision method of assessment of laser cutting edges and surfaces of metals. It presents an analysis of the defects that occur at the edges and surfaces of components cut out in laser technology. It discusses in detail examples of defects, their causes, and methods of preventing their occurrence in the cutting process. The paper presents a vision method for the identification and assessment of defects based on selected examples. It also discusses a method of constructing a three-dimensional image of a product, issues related to the resolution of the vision system and the resolution of laser beam analysis, and methods of image analysis.
Źródło:: Acta Mechanica et Automatica; 2012, 6, 1; 57-62
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Total Inertial Tolerancing, a New Way to Drive Production
Autorzy:: Pillet, M.
Denimal, D.
Pairel, E.
Samper, S.
Powiązania:: https://bibliotekanauki.pl/articles/971175.pdf
Data publikacji:: 2009
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: statistical tolerancing
inertial tolerancing
inertial process control
3D process control
numerical chain integrity
Opis:: Inertial tolerancing is a new concept of tolerancing which has done a first standardization in France (NF XP E 04-008 (2009). The paper presents a generalization of the inertial tolerancing: total inertia. The goal of total inertial tolerancing is to use the information include in the numeric description of the product. The Total inertial tolerancing defined "consistent functional subset" and different coordinate systems. For each of these subsets, we defined the maximum variability accepted (maximum inertia) from digital target. Inertia is the mean square deviation of the differences between the actual part and the target, measured in accordance with normal to the surface. Each functional subset will be identified by different colors. The purpose of the production is to produce parts with the least variability compared to the numerical shape. The production problem can be represented by two vectors: The vector of the deviations from the target on all measured points, and the vector of the control factors. Thereof, the question is: What is the value to apply on each corrector to minimize the vector of deviations? A reply is given by the total inertial tolerancing of which the link between the maximum inertia and the production is strong. Thus, the problem consists into compute the pseudo-inverse matrix of the relation between the deviation and impact vectors. This pseudo-inverse matrix allows minimizing the least squares deviation, in other words, minimizing the inertia. In this paper, we will present an example of inertial tolerancing specification of a complex part and we will show how to adjust a production with its new approach.
Źródło:: Journal of Machine Engineering; 2009, 9, 3; 17-28
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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