Production Processes and Metrology

PE 210   

PRODUCTION PROCESSES AND METROLOGY

 

Teaching Scheme

   

Examination Scheme

 

Lectures : 4 hrs/week

 

Mid-Sem – 30, Assignments, Quiz -20

 

 

 

End-Sem Exam- 50.

 

Unit 1           

   

(23)

Definition, classification and study of basic five Production Processes

a) Lathe and drilling Machine

Turning and boring, lathe construction, accessories and operations. Thread cutting, concept of speed, feed and depth of cut. Introduction to boring machines, Capstan and Turret lathe. Fundamentals of drilling processes, drill geometry, tool holder, types of drilling machines, operations performed on drilling machines, type of drill. Reaming processes and reamer types.

b) Milling, shaping and planning

Fundamental aspects, cutter types and geometry, Operations performed on milling machines, dividing head method of indexing. Construction, working and operations performed on shaper, planer and broaching machines.

c) Grinding

Grinding wheels, wheel marking, types of grinding machines.

d) Non Conventional Machining Processes

Principle, set-up, operations, accessories and applications and limitations of Ultrasonic Machining, Electrical Discharge Machining, Laser Beam Machining, Chemical Machining, Electro-chemical machining, Abrasive Jet Machining, etc.

 

Unit 2           

   

(06)

Joining Processes

Introduction, weldability, classification of welding, study of Gas welding, Arc welding, Resistance welding, Ultrasonic welding, Electron beam welding, laser Beam welding, Brazing, Soldering, TIG, MIG, Riveting with their respective equipment

 

 

 

 

 

 

Unit 3

   

 

Sheet Metal Working                                           

Sheet Metal properties, gauge, surfaces condition.

Study of Presses and equipment used, various cutting and forming operations.

Blanking and Punching: Theory, types of dies used, force requirement, theory of shear. Methods of reduction in forces.

Deep Drawing: Types of Dies used, defects, and lubricants used   (05)

 

 

Unit 4

   

 

(05)

PCB artwork and surface treatment

Etching, anodizing and electroplating, etc.

Classification, types and applications of adhesives

 

Unit 5 

   

(06)

NC/CNC Machines

Principle, classification, construction and applications.

Robots

Principle, classification, construction, control systems and applications

 

Unit 6 

   

(15)

a) Introduction to metrology

Definition, interchangeability, selective assembly, standards of measurement, errors, calibration of instruments.

Limits, fits and tolerances, Indian standards specifications for limit, fits and gauges, gauge designing, relevance of limits, fits and tolerances with machine design.

b) Linear, angular and gear measurement

Linear measuring instruments, precision measuring instruments, comparators.

Angular measurement – Combination protractor, universal bevel protractor, sine bar, sine center, angle gauge block, clinometers, auto-collimator, angle decor, roller and cylindrical method, optical prism method.

Screw thread measurement – Characteristic, dimensions and measurement methods

Gear measurement - Characteristic, dimensions measurement, gear profile testing using various available methods

 

Text Books:

·         Chapman W.A.J.: Workshop Technology, Volume I, II, III; ELBS

·         Hajara Chaudhary, Bose S.K.: Elements of workshop Technology, Volume I, II, Asia Publishing House.

·         R.K. Jain: Engineering Metrology, Khanna Publisher, Delhi.

 

Reference Books

·         Begman: Manufacturing Processes,

·         HMT: Production Technology, TMH Publishing Co., New Delhi, 1985.

·         Roy A. Lindberg: Processes and Materials of Manufacture, fourth Edition, Prentice Hall of India, New Delhi, 1990.

·         I.C. Gupta: Metrology & Quality Control.

·         Ernst O’Doebeling: Measurement Systems, Tata Mc Graw Hill