Chapter 1:
Theory of Metal Cutting: Chip Formation, Orthogonal Cutting- Oblique Cutting – Tool
Geometry – Tool nomenclature – Cutting tool materials – cutting parameters. Lathe
– Centre Lathe: Introduction – specifications –machining operations done on lathe.
Chapter 2:
Milling – Milling cutters classification only-Milling operations-types-straddle milling –
gang milling.Indexing-Indexing plate – Indexing methods – simple indexing,
differential indexing.Generating Process: gear shaper – gear hobbing – principle of
operation only.
Chapter 3:
Grinding: Grinding Process – Cylindrical Grinding, Surface Grinding, Centre less
Grinding-principles of operation only. – grinding wheels – abrasives – natural and
artificial diamond wheels – types of bonds – grit, grade and structure of wheels –
wheel shapes and sizes – standard marking systems of grinding wheels – selection
of grinding wheel – mounting of grinding wheels – Dressing and Truing of wheels –
Balancing of grinding wheels.
15
Practical Exercises
I. LATHE
1. Grooving and Taper Turning.
2. LH Thread cutting.
3. RH Thread cutting.
4. Bush: Turning & Drilling
5. Eccentric Turning.
II. MILLING MACHINE
6. Make Spur Gear using milling machine by simple Indexing
7. Make helical gear using milling machine
50
DIRECTORATE OF TECHNICAL EDUCATION, CHENNAI – 600 025
2023 REGULATION
DME 62
1020233640
MACHINE TOOL TECHNOLOGY
L T P C
PRACTICUM 1 0 4 3
III. GRINDING
8. Grind a plain surface using surface Grinder
9. Make progressive type plug gauge using cylindrical grinding machine
10. Make a turning tool / milling cutter using a tool and cutter grinder