Course Details
Course Information Package
Course Unit Title | MECHANICAL WORKSHOP | ||||||
Course Unit Code | AMEW101 | ||||||
Course Unit Details | |||||||
Number of ECTS credits allocated | 2 | ||||||
Learning Outcomes of the course unit | By the end of the course, the students should be able to:
| ||||||
Mode of Delivery | Face-to-face | ||||||
Prerequisites | NONE | Co-requisites | NONE | ||||
Recommended optional program components | NONE | ||||||
Course Contents | Engineering measurements: Importance of measurements in engineering design and manufacturing. Types of errors in measurements / sources of errors, units in metric and imperial system, conversions between the two systems. Measurement of linear dimensions, Line graduated instruments: Machinist’s rule, vernier caliper, micrometer (mechanic & digital), description, mode of use, accuracy, applications. Gauge blocks: Description, mode of use, accuracy, applications. Measurement of angular dimensions: Units, subdivisions, conversions, instruments and measuring methods (sine bar, sinus and tangent method, angle gauge blocks, bevel protractor, combination square). Comparative length-measuring instruments – Dial indicator: Description, mode of use, accuracy, applications. Form measurement (perpendicularity, flatness, roundness, parallelism, eccentricity, etc). Definitions, symbols, instruments and measuring methods. Dimensional tolerances: Basic size, deviation and tolerance for a shaft and a hole according to ISO system. Types of fit, features of dimensional relationships between mating parts (allowance, clearance, interference, limit dimensions etc). - Surface texture and properties: Surface roughness, measurement, units. Symbols for surface roughness in DIN, ASA and ?S. Roughness parameters, instruments. Lathes and turning processes: Main features and controls of lathes. Lathe structure (models, typical structural parts, power raw, most significant dimensions), Cutting tools (structural material, tool geometry, tool selection method, Cutting fluids). Basic cutting parameters (cutting speed, depth of cut, feed rate). Safety precautions. Performance on face turning and cylindrical surface turning. Performance on thread cutting, hole drilling, slot cutting and non symmetrical lathe cutting. Cutting forces experimental estimation for various cutting parameters. Milling machines and milling operations: Main features and controls of milling machines. Horizontal and vertical milling machines. Milling machine structure (models, typical structural parts, power raw, most significant dimensions), Milling tool properties (structural material, tool geometry, tool models, tool selection method). Basic milling parameters (cutting speed, depth of cut, feed rate). Performance of slab or face milling and slot milling (up milling and down milling). Gear cutting performance using a milling machine. Welding: Principles of fusion welding (modes of metal transfer, heat flow, metalographic characteristics of welded joint). Typical welding processes (arc welding with coated electrodes, TIG, MIG, induction welding, resistance welding, gas welding), Safety precautions. Performance of arc welding using coated electrodes for various welding parameters (welding material properties and dimensions, coated electrode material and dimensions, welding current, welding polarity). Performance of gas welding method using various welding parameters. Permanent stress and strain in welding structures. | ||||||
Recommended and/or required reading: | |||||||
Textbooks |
| ||||||
References |
| ||||||
Planned learning activities and teaching methods | Lectures to learn about specific topics such as surface roughness, dimensional tolerances, form measurements, machining principles, cutting conditions, welding principles etc. Hands-on training on the equipment of a mechanical workshop (measurement instruments, cutting machines, welding machines, etc.) Visits to modern workshops of the local industry. | ||||||
Assessment methods and criteria |
| ||||||
Language of instruction | English | ||||||
Work placement(s) | NO |