Code: | EM0080 | Acronym: | FM |
Keywords | |
---|---|
Classification | Keyword |
OFICIAL | Manufacturing and Automotive Engineering |
Active? | Yes |
Web Page: | http://www.fe.up.pt/~fonseca/FabMoldes/FabMoldes.html |
Responsible unit: | Industrial Design Section |
Course/CS Responsible: | Master in Mechanical Engineering |
Acronym | No. of Students | Study Plan | Curricular Years | Credits UCN | Credits ECTS | Contact hours | Total Time |
---|---|---|---|---|---|---|---|
MIEM | 25 | Syllabus since 2006/2007 | 5 | - | 6 | 56 | 160 |
To familiarize the students with many aspects of tool design and mould construction, and with types of injection moulds, standardized components and machining processes. To implement the design with the aid of 3D CAD systems and databases, including the definition of parting lines and surfaces.
At the end of the course, the students shall be able to:
1) Know the usual components of an injection mould.
2) Understand the mechanics of the usual solutions to part demolding difficulties.
3) Determine the dimensions of the mould, runner systems, heat exchange system, and clamping devices.
4) Create a 3D model of a mould showing the parting surfaces and the respective 2D drawing.
5) Create CNC programs using CAD/CAM software and select among the several conventional machine tools (spark erosion, milling, and turning lathe).
- Basic notions about drafting and drawing instruments (secondary school).
- Elements of descriptive geometry (secondary school).
- Thecnology of Materials and technology of manufact...
Mould design: mould components, design solutions (linear and rotational movements, two or three plate mould, cores, etc)
Catalogues and commercial databases
Introduction to a CAD program related with mould design
Brief reference to the most important machining processes of mould design (milling and turnery)
Electrical Discharge Machining (EDM): definition, discharge mechanism, discharge models
History of electrical discharge
Methods of impulse regulation
Electrical Discharge Machining: polarity, dielectrics, cutting, theoretical curve, usage
Electrode materials: characteristics, wear resistance (metals), performance of these materials
Production process of electrode
Electrical discharge materials
White layer: definition, physical-chemical characteristics
Black layer: definition, physical-chemical characteristics, new cutting methodology
Environment and security
Rapid prototyping and rapid tool development: new industrial sectors, new challenges, the necessity of developing internationally competitive product; why rapid prototyping is necessary; rapid manufacturing
Selection criteria of machining processes regarding shape and other characteristics (finishing, thermal treatments, etc)
Development of injection mould projects: three-dimensional modelling through a CAD system; mould system dimensioning (feeding, refrigeration and extraction);
Material flux analysis at filling stage: localization of feeding points and cooling analysis
CAD/CAM and CNC systems- development of post-processors for APT and CLData languages
Injection mould project
Course themes are presented in classes, as well as relevant examples. Students have the opportunity to apply their knowledge by doing some computer exercises and laboratory assignments on electrical discharge. During the semester students will learn how to carry out their projects on CAD mould.
Description | Type | Time (hours) | Weight (%) | End date |
---|---|---|---|---|
Attendance (estimated) | Participação presencial | 56,00 | 50,00 | |
Make a mould | Trabalho laboratorial | 30,00 | 50,00 | |
Total: | - | 100,00 |
Description | Type | Time (hours) | End date |
---|---|---|---|
Make a mould | Elaboração de projeto | 30 | |
Total: | 30,00 |
A aprovação na unidade curricular está condicionada à prévia obtenção de frequência às aulas (número limite de faltas é 25% das previstas).
O estudante deve, obrigatoriamente, submeter-se à avaliação em todas as suas componentes: exame final com nota mínima de 7 valores e discussão do(s) trabalho(s) entregue(s) pelo(s) preponente(s).A nota final da disciplina resultará da média pesada das classificações obtidas em cada uma das componentes da avaliação, com os seguintes pesos: Exame: 50% Trabalho(s) prático(s): 50%
Não previsto.
According to article 4 paragraph a) 3b of General Evaluation Rules of FEUP, students must attend an exam and present a practical assignment.
According to article 10 of General Evaluation Rules of FEUP, students can either do another practical assignment or a written exam.