Learning outcomes :
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A-Principles of the offset lithographic process : dampening, inking, transfer.
B-Materials and consumables used : dampening solution, plates, blankets
C-Offset lithographic presses
D-Characteristic defects of offset lithographic presses.
Three sessions of applied work complete this course on the SHeetfed Offset Training Simulator (SHOTS)and teach students how to diagnose printing problems in offset lithography. The exercises deal with production situations where problems appear progressively.
The first session is supervised by the teacher, in order to learn the diagnosis methodology.
The following sessions put students in production situations where problems appear progressively. The second session is also supervised by the teacher (in order to avoid any risk of being stuck in a given situation). The third session is led by students in autonomy but requires that students install a portable computer in a room with a beamer and giving access to the network (the software being accessible via the networkà.
Availability of the software (especially the allowed number of simultaneous connections) or schedule constraints may change the sessions organization.
A 1-hour plenary session enables to synthesize the difficulties faced during the work in autonomy .
Basics of printed communication engineering (densitometry).
A joint evaluation is proposed for the offset printing, flexography and digital processes courses.
Recoverable examination if the absence is justified.
Grading of the practical work : the methodology used by each group of students to solve problems during their self training on the simulator is taken into account.
The exercises on the simulator will be corrected in a plenary session.
The practical work on the simulator can be made up in case of justified absence as long as access to the simulator on the "cloud" remains possible.
La note de TP tient compte de la méthode de diagnostic employée, de l'utilisation de l'aide au diagnostic, du nombre de problèmes résolus, et d'éventuels problèmes rencontrés par le logiciel.
The grade of the practical work takes into account the diagnosis method used, the use of the software help, the number of problems solved and possible software bugs.
La note du DS est une évaluation commune au trois cours : Flexographie, offset, procédés numériques.
The course exists in the following branches:
Semester 7 - This course is given in english only
SIROST J.C. L'offset : principes, technologies, pratiques. Paris : Dunod, 2007.
MACPHEE J. Fundamentals of lithographic printing. Volume 1: Mechanics of printing. Pittsburgh : Sewickley : GATFpress, 1998.
Sites Web des constructeurs de presses. Press manufacturers' web sites.
Magazine Caractère ( http://www.caractere.net/ ).
Certains éléments bibliographiques sont disponibles sur le site Internet Chamilo / some bibliographic elements are available on the Chamilo Web site :