Enhancement of Design and Manufacturing Curriculum Through Rapid Prototyping Practices

2004 ◽  
Author(s):  
Ismail Fidan ◽  
Ken Patton
Keyword(s):  
Rapid Prototyping ◽  
Computer Aided Design ◽  
Physical Models ◽  
Web Based ◽  
Capstone Courses ◽  
Computer Aided ◽  
Design And Manufacturing ◽  
Cad Cam ◽  
Industrial Projects ◽  
Aided Design

Advances in computer technology opened new horizons in teaching Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) technologies. This paper will report the outcomes of two current NSF grants, 0311586 and 0302314, funded on Rapid Prototyping (RP) curriculum development. The objective of these RP projects is to provide advanced instruction and laboratory practices in the areas of CAD/CAM/CAE through challenging laboratory assignments and industrial projects that are integrated into any engineering curriculum. These projects create web-based materials, and also adapt and implement RP experiences and educational practices following successful similar models at various engineering schools to enhance pedagogy in design and manufacturing curriculum. Enhanced RP capabilities enable the students to build physical models directly from CAD data, where the prototype communicates important information about parts, including engineering data such as fit and limited functional testing, labeling, highlighting, and appearance simulation. Developed RP labs are used in junior and senior level design and manufacturing courses, including the senior capstone courses.

Implementation of Rapid Manufacturing Systems in the Jewellery Industry in Brazil

2011 ◽  
pp. 119-138
Author(s):  
Juan Carlos Campos Rubio ◽  
Eduardo Romeiro Filho
Keyword(s):  
Computer Aided Design ◽  
Manufacturing Systems ◽  
Medium Size ◽  
Manufacturing Processes ◽  
Computer Aided ◽  
Design And Manufacturing ◽  
Cad Cam ◽  
High Production ◽  
Rapid Prototyping And Manufacturing ◽  
Aided Design

This chapter presents the rapid prototyping and manufacturing concepts applied as means to reducing time between jewellery designs and manufacturing process. Different processes on jewellery modelling production are presented. Nowadays, the use of technologies as CAD/CAM - Computer Aided Design and Manufacturing in high production companies are very disseminated. However, the implementation of these resources at the design and manufacturing processes of jewels and fashion accessories, in small and medium size businesses, is still insipient. As reference, is presented the situation observed in small and medium companies located in Minas Gerais, Brazil.

A Computer-Aided Design and Manufacturing Implementation of the Atomic Force Microscope Tip-Based Nanomachining Process for Two-Dimensional Patterning

2017 ◽  
Vol 5 (4) ◽  
Author(s):  
E. B. Brousseau ◽  
S. Thiery ◽  
B. Arnal ◽  
E. Nyiri ◽  
O. Gibaru ◽  
...  
Keyword(s):  
Atomic Force Microscope ◽  
Computer Aided Design ◽  
Two Dimensional ◽  
Atomic Force ◽  
Machining Errors ◽  
Computer Aided ◽  
Design And Manufacturing ◽  
Cad Cam ◽  
G Code ◽  
Aided Design

This paper reports a feasibility study that demonstrates the implementation of a computer-aided design and manufacturing (CAD/CAM) approach for producing two-dimensional (2D) patterns on the nanoscale using the atomic force microscope (AFM) tip-based nanomachining process. To achieve this, simple software tools and neutral file formats were used. A G-code postprocessor was also developed to ensure that the controller of the AFM equipment utilized could interpret the G-code representation of tip path trajectories generated using the computer-aided manufacturing (CAM) software. In addition, the error between a machined pattern and its theoretical geometry was also evaluated. The analyzed pattern covered an area of 20 μm × 20 μm. The average machined error in this case was estimated to be 66 nm. This value corresponds to 15% of the average width of machined grooves. Such machining errors are most likely due to the flexible nature of AFM probe cantilevers. Overall, it is anticipated that such a CAD/CAM approach could contribute to the development of a more flexible and portable solution for a range of tip-based nanofabrication tasks, which would not be restricted to particular customised software or AFM instruments. In the case of nanomachining operations, however, further work is required first to generate trajectories, which can compensate for the observed machining errors.

Conservative Anterior Partial Coverage CAD/CAM Restoration

2017 ◽  
Vol 42 (2) ◽  
pp. 117-121
Author(s):  
JT May
Keyword(s):  
Digital Technology ◽  
Computer Aided Design ◽  
Tooth Structure ◽  
Partial Coverage ◽  
Restorative Treatment ◽  
Minimally Invasive Dentistry ◽  
Computer Aided ◽  
Design And Manufacturing ◽  
Cad Cam ◽  
Aided Design

SUMMARY Computer-aided design and manufacturing technology enables practitioners to create, in a single appointment, indirect restorations that are esthetic and functionally unique to the patient's situation. The popular effort to perform minimally invasive dentistry using digital techniques with chairside milling can lead dentists to novel individualized restorative treatment. This article demonstrates a conservative anterior partial coverage restoration, utilizing both digital technology and chairside ceramic characterization to achieve an optimal esthetic outcome while preserving healthy tooth structure.

scholarly journals Direct Printed Metal Devices - The Next Level of Computer-aided Design and Computer-aided Manufacturing Applications in the Orthodontic Care

2017 ◽  
Vol 7 ◽  
pp. 253-259 ◽  
Author(s):  
Simon Graf
Keyword(s):  
Computer Aided Design ◽  
Physical Models ◽  
Orthodontic Appliances ◽  
Know How ◽  
Metal Printing ◽  
Computer Aided ◽  
Cad Cam ◽  
3D Metal Printing ◽  
Manufacturing Applications ◽  
Aided Design

As the whole world gets more digital, so do we. This article provides a basic know-how for the CAD/CAM-workflow for metallic orthodontic appliances. Demonstrating step-by-step how to design the appliance on a digital cast and laser-melting (3D metal printing) it, till the final result, without any physical models.

UG Software-Based Socket Cover Mold Design and Processing

2012 ◽  
Vol 151 ◽  
pp. 409-413
Author(s):  
Shuo Li ◽  
Ming Fei Dong
Keyword(s):  
Process Design ◽  
Computer Aided Design ◽  
Mold Design ◽  
Parameter Setting ◽  
Computer Aided ◽  
Design And Manufacturing ◽  
Cad Cam ◽  
Real Objects ◽  
Aided Design ◽  
Cam Software

UG software is one of the most widely used CAD/CAM software in the field of computer aided design and manufacturing. By taking the socket cover as an example, this paper illustrates the application of the UG software-based CAD/CAM function in mold design and processing. And through such procedures as process design, parameter setting, simulation machining, entity processing and etc, real objects of the mold are finally manufactured.

scholarly journals The computer-aided design and rapid prototyping fabrication of removable partial denture frameworks

2005 ◽  
Vol 219 (3) ◽  
pp. 195-202 ◽  
Author(s):  
D Eggbeer ◽  
R Bibb ◽  
R Williams
Keyword(s):  
Rapid Prototyping ◽  
Computer Aided Design ◽  
Removable Partial Denture ◽  
Partial Denture ◽  
Software Analysis ◽  
Computer Aided ◽  
Cad Cam ◽  
Conventional Methods ◽  
Aided Design ◽  
Dental Cast

This study explores the application of computer-aided design and manufacture (CAD/CAM) to the process of electronically surveying a scanned dental cast as a prior stage to producing a sacrificial pattern for a removable partial denture (RPD) metal alloy framework. These are designed to retain artificial replacement teeth in the oral cavity. A cast produced from an impression of a patient's mouth was digitally scanned and the data converted to a three-dimensional computer file that could be read by the computer-aided design (CAD) software. Analysis and preparation were carried out in the digital environment according to established dental principles. The CAD software was then used to design the framework and generate a standard triangulation language (STL) file in preparation for its manufacture using rapid prototyping (RP) methods. Several RP methods were subsequently used to produce sacrificial patterns, which were then cast in a chromium-cobalt alloy using conventional methods and assessed for accuracy of fit. This work demonstrates that CAD/CAM techniques can be used for electronic dental cast analysis, preparation, and design of RPD frameworks. It also demonstrates that RP-produced patterns may be successfully cast using conventional methods and that the resulting frameworks can provide a satisfactory fit.

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