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3D Printing device adaptable to Computer Numerical Control (CNC)
Abstract
This article presents the development of a 3D printing device for the additive manufacturing adapted to a CNC machining. The application involves the integration of a specific printing head. Additive manufacturing technology is most commonly used for modeling, prototyping, tooling through an exclusive machine or 3D printer. A global review and analysis of technologies show the additive manufacturing presents little independent solutions [6][9]. The problem studied especially the additive manufacturing limits to produce of ecological product with materials from biomass. The motivation for this work was to develop a new 3d printing device with a solution for formatting pulp or powder materials. Some problems require enslavement to the CNC controller and programming building of model. An implementation on a machine is presented along with some application examples used for its development.
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Rapid prototyping has quickly grown in use and importance in industrial applications during the past decade. Rapid prototyping, though a relatively new discipline, has proven to be a valuable tool in the reduction of the time and cost associated with developing new products. This paper summaries the working principle and compares the application fields, machining cost and process parameters for four typical RP technology. The author discusses the significant performance for modern industry, analyses the merits and faults and indicates the development object for RP technology.
Wood has several advantages that are transferable to various derivates allowing the introduction of a sustainable material into the product lifecycle. The objective of this paper is to apply a design for manufacturing approach based on wood flour rapid prototyping, while associating the requirements of the 'mass customisation' in the implementation of a customised product. New collaborative software allows consumers to be involved in the design process. Prototyping processes allow direct manufacturing of products.
This paper describes progress on RepRap, the replicating rapid prototyper. RepRap is a filament-deposition rapid prototying machine that has been designed to manufacture the majority of its own parts. All other parts of the machine are standard materials and components available everywhere in the world. RepRap is intended to maximize the customizability of both the products that it makes and also itself. It achieves this by several complementary mechanisms: it is intended for individual (as well as industrial) use, so its users may employ it to manufacture whatever they want; it can make copies of itself, and those copies can be customized; it is extremely low cost, and so ownership can be widespread; and finally it is open-source, so all its designs and software are available for modification. Prototype RepRap machines have been built and are described. These have made parts for themselves and each other, and this is depicted. The design principles and specifications of the machine are given. The paper concludes with a discussion of the possible impacts that the machine may have on personal manufacturing and product customization.
The research results presented in this paper are related to the specification of a method and models that tackle the problem
of manufacturing processes selection and the integration, as soon as possible, of their constraints in the product modelling
(i.e. information synthesis). This method is based on a skin and skeleton design/manufacturing interface model that ensures
connection between design and manufacturing information. The use of these features is justified by their capacity to make
a product representation which allows integration of both design and manufacture data and therefore assists the product breakdown
definition (including the 3D forms) by least commitment. This method first analyses the product data issued from functional
analysis and component selection (form, roughness, tolerance interval, etc.). Then, it deals with manufacturing information
(manufacturing processes constraints). The approach is formalised with IDEF and UML models and has been consolidated with
software developments based on C++ and open CASCADE technologies.
This keynote paper presents an overview of new approaches in rapid product development from the design point of view. The evolution of the market has necessitated the reduction of time-to-market, mainly because the product life cycle is shorter, but also because it is very important to proceed more rapidly from an initial conception to a mass production object. As a result of newly evolved software environments, knowledge-based systems, and product data management, processes for integrated design and manufacturing for new products have emerged. Due to this evolution of rapid prototyping technologies, it has become possible today to obtain parts representative of mass production within a very short time. This keynote paper provides an overview of the actual trends in all the components that affect the speed and efficiency of product development, in particular all the possibilities available to the designer, from the earliest stages of a product's life cycle.
Wood has several advantages that are transferable to various derivatives allowing the introduction of sustainable material into the product lifecycle. The research study associates the specific needs of the "general public" in the rapid manufacture of wooden-made custom products. We present the applications of rapid prototyping in integrating a wood derivative. The research results then lead to new applications of additive manufacturing.
The aim of this paper is to give a number of methodological and theoretical indicators concerning the contribution of ergonomists to the execution of design projects of new products. Within the context of a design project, the present work therefore describes the studies and ergonomic analyses that can be undertaken during each phase of the design process from a design model based on concurrent engineering. Encompassing the design of the driving cabin of the new generation of high-speed trains (TGV-NG), this paper, through the ergonomic study of a number of technical sub-systems of this product, illustrates the advisory role of the ergonomist who, within the collective design process, ensures that the specific nature of the “human factor” is fully integrated into the design approach. Thus, throughout the design process, the ergonomist is called upon both to advise the designer on the characteristics of the target users and, on the basis of a “desirable future activities” approach, to help him or her assess the consequences of the design choices made. Ergonomics is described consequently, as an innovation and safety factor.
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