Subject Code & Name: MF25C02 – Machine Tools and Machining
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B.E. Mechanical Engineering (Smart Manufacturing) (Mech(Smart))
Credits / L-T-P: 3 Credits | L-T-P: 2-0-2
Course Objectives
- To Impart knowledge on the science and application of metal cutting through the application of mechanics of machining, material properties, and other relevant engineering knowledge.
Full Unit-wise Syllabus
Unit I – Theory of Metal Cutting
Need for metal cutting, Mechanics of orthogonal and oblique cutting, forces in machining, Shear stress and shear strain in metal cutting, Types of chips, Nomenclature of single point cutting tool, Cutting tool materials, Tribological aspects in metal cutting, cutting fluids, Measurement of cutting temperature, tool wear and mechanisms, tool life, surface integrity - surface roughness, machining induced microstructural changes, Machinability.
Practical: 1. Study the effect of workpiece material property on machinability using cutting force, and tool wear measurements 2. Analysis of chip morphology in machining 3. Measurement of machining temperature using IR thermal camera
Unit II – Turning Machines
Centre lathe, constructional features, specification, Specification of cutting tool inserts and tool holders as per ISO standard, operations, taper turning methods, thread cutting methods, special attachments, machining time and power estimation. Automatic lathes: semi-automatic, single spindle: Swiss type, automatic screw type, multi spindle.
Practical: 1. Perform basic lathe operations: Plain turning, taper turning, thread cutting. 2. Machining economics: determination of the effect of process parameters on machining time
Unit III – Drilling and Milling
Drilling - geometry of helical drills, Drilling related operations - reaming, boring, tapping, Milling, Classification, Horizontal vs Vertical and Conventional vs Climb milling - types of milling cutters - Surface finish in milling, machining time calculations, Construction features of milling machines, Work holding devices in milling
Practical: 1. Drilling and reaming of a hole using a vertical milling machine 2. Slot and contour milling using a vertical milling machine
Unit IV – Gear Cutting and Broaching
Gear cutting, gear hobbing and gear shaping, gear finishing methods; broaching machines: broach construction, push, pull, surface broaching.
Practical: 1. Cutting of spur gear using a milling machine 2. Gear generation by using a gear hobber and gear shaper 3. Broaching of components using a broaching machine
Unit V – Grinding
Grinding, Mechanics of grinding and specific energy in grinding, grinding wheel, specifications and selection, types of grinding process, cylindrical grinding, surface grinding, centreless grinding, internal grinding; Surface integrity in grinding
Practical: Grinding components using cylindrical, surface, and centerless grinding machine
Unit VI – Abrasive Finishing Processes
Traditional micro-/nano-finishing methods, Honing, Lapping, Superfinishing, Typical applications, Hybrid mass finishing of AM parts.
Practical: Superfinishing using honing / lapping
Unit VII – Computer Numerical Control Machine Tools
Computer Numerical Control (NC) machine tools – Need, types, constructional details, special features, ball screws, ATC, sensors, machining centre, part programming fundamentals, G-codes and M- codes, manual part programming and computer assisted part programming.
Practical: 1. Manual part programming using CNC Machining Center 2. Manual part programming using CNC Turning Center
Tasks: T1. Foundry faces casting defects (blowholes, shrinkage); optimize pattern, gating, and sand properties. T2. Weld failures in steel frames; select suitable welding process and parameters for strength. T3. Deep drawing defects (tearing, wrinkling); improve tooling and process conditions. T4. 3D printed parts lack accuracy and finish; choose proper method and post- processing.
Course Outcomes (COs)
- CO1: Explain principles of metal cutting, machining processes, machine tools, finishing, and CNC fundamentals.
- CO2: Apply machining concepts to calculate cutting parameters, machining time, and perform machining operations.
- CO3: Analyze machining processes to examine tool wear, chip formation, machinability, and process performance.
- CO4: Evaluate machining techniques and process parameters to assess performance, quality, and efficiency.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 50% | End Semester Examinations 50%
- Internal methodology: Written Test (40%), Practical (30%), Activity (30%). Practical: Lab Experiments (50%), Tasks (50%) (Each student must complete a minimum of two tasks). Activity: Review of GATE/ESE Questions (10%), Mini Project/ Quiz/ Assignment Programs/ Flipped Class /Seminar Presentation (20%)
Source: Official Anna University – B.E. Mechanical Engineering (Smart Manufacturing) R-2025 Syllabus
Last Updated: October 2026
Comments
Post a Comment