If you want to focus your studies on a specific area of manufacturing, let me know:
Search for the official publishers (Media Promoters & Publishers) to find reputable online retailers. How to Study Using Hajra Choudhary Vol 2 To get the most out of this textbook, follow these tips:
For those looking for a physical copy or official access, the book is available at several major retailers: Workshop Technology Vol 2 By Hajra Choudhary Free Pdf
: Analysis of complex metal-cutting processes, surface finishing techniques, and the operation of specialized grinding machines.
Introductory concepts of CNC (Computer Numerical Control) systems and flexible manufacturing lines. Chapter-by-Chapter Syllabus Overview Chapter Category Primary Topics Covered Practical Applications Cutting Tools Geometry, Merchant’s Circle, Tool Wear, Chip Breakers Calculating cutting forces in industrial lathes. Lathes & Operations Components, Feed Mechanisms, Thread Cutting, Taper Turning Manufacturing shafts, bolts, and rotational parts. Reciprocating Tools Quick Return Mechanisms, Shaper Operations, Planer Drives Machining flat guide ways and internal keyways. Milling & Gear Cutting Peripheral/Face Milling, Simple and Differential Indexing Cutting spur, helical, and bevel gears. Abrasive Processes Wheel Selection, Truing, Dressing, Centerless Grinding Achieving mirror-like finishes on bearing surfaces. Accessing the Book Legally If you want to focus your studies on
Modern editions include introductions to advanced manufacturing technologies:
Most engineering colleges keep multiple copies of Hajra Choudhary in their reference and lending sections. This is the best way to access the book for free. Milling & Gear Cutting Peripheral/Face Milling, Simple and
: Comprehensive guides on upright, radial, and gang drilling machines, as well as the tools and safety protocols associated with them.
The following structural outline represents the pedagogical flow typical of the textbook: Chapter Number Subject Focus Key Engineering Concepts Covered Cutting Tools & Materials HSS, Ceramics, Carbides, Tool Geometry, Rake Angles Chapter 2 Mechanics of Machining Merchant's Circle Diagram, Cutting Forces, Shear Strain Chapter 3 Lathe Machines & Operations Headstock, Tailstock, Gear Trains, Knurling, Boring Chapter 4 Shaper, Planer, and Slotter Crank & Slotted Link Mechanism, Stroke Length Adjustments Chapter 5 Drilling and Reaming Twist Drill Geometry, Cutting Speeds, Torque Calculations Chapter 6 Milling Operations
| Author(s) | Book Title | | --------------------------------------- | -------------------------------------------- | | | Workshop Technology | | S.K. Hajra Choudhury, A.K. Hajra Choudhury | Elements of Workshop Technology (Vol. I & II) | | W.A.J. Chapman | Workshop Technology | | H.S. Bawa | Workshop Practice | | Kannaiah & Narayana | Workshop Manual |
Types of drilling machines: Bench, pillar, radial, and multi-spindle. Twist drill geometry (flutes, cutting edges, helix angle).
