Manufacturing Technology

General

Course Contents

Casting procedures and materials. Casting phenomena during solidification-crystallization, castability, casting methods with consumable and permanent mold. Feeding system design. Casting defects. Casting equipment. Die casting presses. Casting tools. Sintering. Powder metallurgy. Tools.
Machine tools: Overview of conventional material-removal processes. Turning. Milling. Drilling. Planning. Cutting fluids. Cutting with single-point and multipoint cutting tools of clearly defined geometry. Mechanics of chip formation. Cutting tools and tool wear. Machinability. Mechanics of grinding. Grinding wheels and grinding wheel wear. Cutting forces, temperature field generation, cutting geometry, cutting tool materials, wear and cutting life.
Metrology: Overview on measurements, measuring instruments, measurement errors, tolerance and fitting systems, standard lengths, dimensional and angle control, dimensional tolerances, shape and position, surface quality measurement. Surface roughness.
Laboratory applications:
• Metrology control of parts.
• Metal casting.
• Manufacturing a mechanical part using machine tools.

Educational Goals

Upon successful completion of the course, the student should be able to:
identify and describe basic machine tools used in modern manufacturing applications
acquire the principles of metrology and dimensional measurements
acquire skills of manufacturing and machining various parts using simple tools
be able to distinguish the appropriate processing for various manufacturing designs of parts, while at the same time looking for alternative manufacturing solutions in terms of the processes used be able to prepare the appropriate planning of the processing phases

General Skills

Research, analysis and synthesis of data and information, using corresponding technologies, Adaptation to new situations, Independent work, Teamwork – distribution of responsibilities, Intellectual competences, Societal competence.

Teaching Methods

Lectures, Exercises, Online guidance, Projected Presentations, E-mail communication, Online Synchronous and Asynchronous Teaching Platform (moodle).

Students Evaluation

Assessment Language: English / Greek
The final grade of the course is formed by 70% by the grade of the theoretical part and by 30% by the grade of the laboratory part.
1. The grade of the theoretical part is formed by a written final examination.
The written final examination of the theoretical part may include:
Solving problems of application of the acquired knowledge, Short answer questions etc
2. The examination of the Laboratory Exercises is carried out with the continuous evaluation of the laboratory skills and the theoretical knowledge that were acquired in the course by the method of continuous evaluation and submission of weekly assignments

Recommended Bibliography

Metal casting a simple casting manual for small foundry, Chastain S., Vol. 1, 2004.
The complete handbook of sand casting, Ammen C. A., 1979, McGraw-Hill.
Science and Engineering of Casting Solidification, Stefanescu D. M., Second Edition, 2009, Springer.
Materials Processing during Casting, Fredriksson H., Akerlind U., 2006, John Wiley & Sons Ltd.