2 Years Advance Machinist Course

(AMC1001) WORKSHOP TECHNOLOGY-1 (50 Marks) 40 Hrs
General workshop guidelines.
Introduction to manufacturing processes their classification and application.
Bench work & Fitting: Bench Vice, Fitting tools, drilling machine and various fitting operations like filing, chipping, scraping, sawing, marking, drilling & tapping
Geometry of single point cutting tools, tool signature, machinability, tool failure, tool life & cutting fluids
Lathe Machine: Classification of lathe machines, working principle, constructional features, driving mechanism, attachments and accessories, various operations performed on lathe machines, types of cutting tools & tool material. Estimation of machining time.
Text Books
  • KHANNA O.P. & Lal M., Production Technology, Dhanpat Rai Publications, New Delhi
  • GERLING H., All about machine tools (SKIP SERIES), New Age International, New Delhi
  • Hazra Chaoudhary, Workshop Technology
ENGINEERING DRAWING-I (50 Marks)
Introduction to IS Standard, A – system of paper, folding of drawings, dividing of sheets, sheet layout, title blocks
Drawing tools, lettering, types of lines &their application, dimensioning, scales Isometric & orthographic projections Symbols and representation for surface finish, geometrical tolerances, welding etc.
Projection: Isometric to orthographic conversion & vice-versa, problems on finding missing views.
Sections: Cutting planes, hatching, various methods of sectioning
WORKSHOP CALCULATION & SCIENCE-I (25 Marks)

Percentage: Introduction, Representation of decimal number into percentage, conversion of percentage into rational form, Applications
Ratio and Proportion: Introduction, Simple ratio, Applications
Units conversions.
L.C.M & H.C.F, Vulgar Fractions, decimal Fractions, Square Roots & Cube roots, Simplification, Averages, Time & Work
Time & Distances, Indices & Logarithms, algebra.
Mechanical properties & Tests: strength, ductility, hardness, toughness, malleability, elasticity, plasticity
Introduction to Carbon steel, stainless steel, tool steels, Cast irons
Introduction to non-Ferrous Materials: Aluminium alloys, Copper alloys: Brasses, bronzes, gun metal, babbit metal, their properties and uses

EMPLOYABILITY SKILLS-I (25 Marks)

Words, Sentences, form of sentences, Kind of sentences, Singular & plural, forms of verbs, parts of speech : Noun, pronoun, verb, adjective, adverb, prepositions, conjunction, interjection along with examples.
Tenses: present/ past/ future. Structure of tense along with example.
Vocabulary building. Reference skills – dictionary, thesaurus, building word-power, spelling, meaning and usage of words, antonyms, synonyms, prefixes & suffixes, words with silent letters, words commonly mis-spelt, words commonly confused with.

Workshop Practice – I (400 Marks)

Bench work. Fitting, components of simple hand tools. Practical use of various Tools used in bench work & Fitting. Practical use of various Marking & Measuring Tools required in bench work & fitting.
Milling practice: Components for practice of various milling methods. Inspection of various types of parts, Heat Treatment of parts.
Surface grinding, cylindrical grinding and tool & cutter grinding

TRADE THEORY-II (100 Marks)

Grinding machines and Operations: Types of grinding machines such as bench, pedestal, cylindrical, centreless, surface, internal, universal, tool & cutter grinding machines; machining time calculation.
Common forms of abrasive tools such as sticks, stones, pastes & wheels. Grinding wheels and their specifications, marking system, wheel selection criteria, balancing, mounting, dressing & truing of wheels.
Introduction to boring, shaping, broaching. surface finishing operations such as lapping, honing, polishing, buffing. Basics of various metal joining methods: Screw fastening, riveting, welding, soldering, brazing.

ENGINEERING DRAWING-II (50 Marks)

Representation & indications of fits & tolerances in drawings Nuts and bolts.
Part drawing, part list and assembly drawing for c-clamp, screw jack, tail stock.

Workshop Practice – I (400 Marks)

Bench work. Fitting, components of simple hand tools. Practical use of various Tools used in bench work & Fitting. Practical use of various Marking & Measuring Tools required in bench work & fitting.
Milling practice: Components for practice of various milling methods. Inspection of various types of parts, Heat Treatment of parts.
Surface grinding, cylindrical grinding and tool & cutter grinding

WORKSHOP CALCULATION & SCIENCE-I (25 Marks)

Basic principles of heat treatment of steel, objective and purpose of heat treatment
Heat treatment processes: Hardening, tempering, annealing, normalising, hardenability
Heat treatment of alloy steels and important tool and die steels, defects occurring during heat treatment processes and possible remedial measures
Elementary Trigonometry: Introduction, Definitions, Trigonometric ratio of angles, Fundamental identities, Angle Measurement
Elements of Mensuration: Introduction, Definitions, Formulae of area, volume of different geometrical shapes, Applications

EMPLOYABILITY SKILLS-II (25 Marks)

Single word substitution, Idioms & phrases, pairs of words
Technical Letter Writing

Workshop Practice – II (400 Marks)

CNC Lathe and CNC Milling, EDM, Wire-Cut EDM.
On-Job Training: deputed in different sections of Production Department for a period of 3 months