DML - Design & Manufacturing Laboratory

 

Courses

 

The DML offers the following courses :

 

Syllabus

Design - CAD

Course Description:

The importance of knowledge of "Drawing - CAD " was the main reason that the particular course was selected as laboratorial. The content of this course were selected so that the student, at the end of educational process, knows the drawing possibilities of Computer Aided Design and their applications in mechanical Design. The supplies that will acquire the student with this particular course will function as tools for the course of Manufacturing Technologies of 3rd semester, and all courses of Renewable Energies (eg designing of system of wind generator)

 

Course/Laboratory Outline:

     Elements of technical drawing - CAD Systems. 

     AutoCad 2000 drawign environment. 

     Coordinate Systems, Scales.

     Drawing objects. 

     Drawing tools, regrouping of objects. 

     Modify Commands, changes of attributes. 

     Dimensions. 

     Zoom, views and slides. 

     Management of files, printings. 

     3D designing. 

     Shading, rendering

     Elementary regulations of Mechanical Drawing - Views, sections, dimensions. Applications in Mechanical drawings

 

Manufacturing Processes

Course Description:

This course is primarily aimed at graduate students in engineering and sciences who are interested in the fundamentals and applications of manufacturing processes. The course discusses current theoretical and pragmatic advances in production technology.

 

Course Outline:

     Fundamentals of Manufacturing Processes

     Machine Tools

     Metalworking, Casting

     Theory and applications of metal cutting, Cutting Processes (turning, milling, drilling, etc).

     Metal forming processes (rolling, forging, deep drawing, sheet metal forming, etc).

     Welding

     Non conventional manufacturing methods (waterjet, laser, plasma, ultrasonic, etc). 

     Environmental Issues in Manufacturing

 

Laboratory Outline:

     Theory:

Measurements. Tolerances

Tools of various types (Allen, etc).

Introduction to thread and fasteners.

Gears and gear trains.

Bearing classification.

     Experiments:

Assembly of car engine

Turning 1st exercise

Milling 1st exercise

Turning 2nd exercise

Milling 2nd exercise

Turning 3rd exercise 

Milling 3rd exercise

 

Workshop

Course Description:

The students will be able to understand how materials can be processed through the use of tools and machines. They will use tools and the processes of cutting materials, shaping them, combining them, forming them, and so forth, to manufacture parts or products.

 

Laboratory Outline:

     Theory:

Machine Shop Safety

Measurements. Calipers, Micrometers, Tolerances

Tools of various types.

Introduction to thread and fasteners.

Gears and gear trains.

Bearing classification.

     Experiments:

Using of hand tools (punches, hammers, saws, etc).

Hand threading, polishing.

Saw and Drill Operation.

Projects (ball peen hammer, center punch, etc).

Welding.

Turning 1st exercise.

Turning 2nd exercise.

 

Materials Science

Course Description:

The course discusses the development of materials during the history and their properties. Particular ιimportance becomes at the metal materials and the new materials like composites.

 

Course Outline:

  • A historical perspective of the development of materials. The importance of materials for economy, technology and civilization.

  • Categories of solid materials. The microscopic structure of materials. The crystalline structure.

  • Elasticity, critical yield stress and the limit of elasticity.  Plasticity in fracture.

  • Properties of materials. Classification in destructive and non-destructive methods.

  • Phase equilibrium. Phase diagrams.

  • Thermal and surface treatments of metallic materials. Annealing for rehabilitation and annealing for recrystallization.

  • Iron and ferrous alloys. Thermal treatment of steels.

  • The basic metals (aluminum, copper, zinc, nickel, chromium). The nonferrous alloys.

  • State of the art ceramics, monolithic and complex ceramics, (Al2O3, ZrO2, SiC, Si3N4, etc)

 

Finite Elements Method

Course Description:

Analytical and numerical methods for study of strains, stresses, and deformations of solids, with application to design of mechanical components subjected to static and repeated loads. Applications on Fluid mechanics and Heat Transfer.

 

Course Outline:

     Introduction to the finite element method. General properties of finite elements and accuracy considerations.

     One-dimensional beam formulations. Application to framed structures.

     Two-dimensional plane stress/strain formulations. Modelling of common plane stress/strain problems.

     Plate bending elements. Modelling of plate bending problems.

     Finite element analysis of shells.

     Applications of FEM on Fluid Mechanics and Heat Transfer etc.

Short project on applying a standard finite element analysis program to a realistic structural engineering problem in ANSYS Educational Software.

 

CAD II - 3D Modeling

 

 

Thermodynamics

Course Description:

The course provides the basic principles of classic thermodynamics, with an engineering perspective, along with the relationship between the theory of thermodynamics and the behavior of real thermal systems and cycles.

 

Course Outline:

    Thermodynamic systems

    Thermodynamic properties of a substance

    Thermal processes and cycles

    Zero law of Thermodynamics

    Equations of State

    Work, Heat and Energy

    First and Second Law

    Reversible and irreversible processes

    Entropy

    The properties of vapor

    Thermodynamic cycles, power and refrigeration systems

    Irreversibility and availability

    Gas mixtures

    Thermodynamic relations

 

Laboratory Outline:

       Electrothermal pump

       Ideal-gas relations

       Specific Heat of metals

       Boiling temperature rise

       Enthalpy and internal energy of Combustion

       Joule - Thomson coefficients of CO2 and Ν2

  Mollier  diagram properties of vapor

 

Transfer Phenomena

Course Description:

The objective of this course is covering the phenomena that are related with the transport of mass and heat at the development of natural activities that takes place in the management of Natural Resources and Environment. The course includes Fluid Mechanics aspects and Heat Transfer also.

 

Course Outline:

  • Introduction to fluid properties (density, viscosity, surface tension).

  • Fluid statics. Static pressure, pressure and flow measurements.

  • Elementary fluid dynamics--the Bernoulli equation

  • Control volume analysis, Mass conservation, Momentum conservation, Energy conservation, Practical applications

  • Differential fluid flow analysis, Continuity (mass conservation), Navier-Stokes equation (momentum conservation)

  • Internal flows, pipe flow, frictional losses. Turbulent flows. External flows.

         Fundamentals of heat transfer

         Conduction.

         Convection.

         Radiation.

           Steady and transient heat conduction in solids. Forced and free convection

            in fluids.

 

Laboratory Outline:

          Hydrostatic pressure

          Bernoulli's theorem demonstration

          Impact of a jet

          Darcy Law

          Demonstration Pelton turbine

          Flow meter demonstration

          Energy losses in pipes

          Heat Exchanger

          Convection factor for metals etc

     Computational Fluid mechanics - Aerodynamics

 

   

 

 

        For more info visit E-Class (Greek only)

 

3 Romanou Str., 73-100, Chania, Greece, +3028210-23045 - dml@chania.teicrete.gr

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