Skip to main content

METAL CUTTING & MACHINE TOOLS

Course objectives: 1. The course provides students with fundamental knowledge and principles in material removal processes. 2.In this course, the students apply the fundamentals and principles of metal cutting to practical applications through multiple labs using lathes, milling machines, grinding machines, and drill presses, Computer Numerical Control etc 3. To demonstrate the fundamentals of machining processes and machine tools. 4. To develop knowledge and importance of metal cutting parameters. 5. To develop fundamental knowledge on tool materials, cutting fluids and tool wear mechanisms. 6. To apply knowledge of basic mathematics to calculate the machining parameters for different machining processes. UNIT – I FUNDAMENTAL OF MACHINING: Elementary treatment of metal cutting theory – element of cutting process – geometry of single point cutting tool, tool angles, chip formation and types of chips – built up edge and its effects, chip breakers, mechanics of orthogonal cutting –Merchant’s force diagram, cutting forces, cutting speeds, feed, depth of cut, tool life, tool wear, machinability, economics of machining, coolants, tool materials and properties. UNIT – II LATHE MACHINES: Engine lathe – principle of working, specification of lathe – types of lathe – work holders tool holders – box tools taper turning, thread turning – for lathes and attachments, constructional features of speed gear box and feed gear box. Turret and capstan lathes – collet chucks – other work holders – tool holding devices – box and tool layout. Principal features of automatic lathes – classification – single spindle and multi-spindle automatic lathes – tool layout and cam design for automats. UNIT – III SHAPING, SLOTTING AND PLANNING MACHINES: Principles of working – principal parts – specifications, operations performed, machining time calculations. DRILLING & BORING MACHINES: Principles of working, specifications, types, operations performed – tool holding devices – twist drill – Boring Machines – fine Boring Machines – jig boring machine, deep hole Drilling Machine. UNIT – IV MILLING MACHINES: Principles of working – specifications – classification of Milling Machines – principal features of horizontal, vertical and universal Milling Machine, machining operations, types of cutters, geometry of milling cutters – methods of indexing, accessories to milling machines. NIT –V FINISHING PROCESSES: Theory of grinding – classification of grinding machines, cylindrical and surface grinding machines, tool and cutter grinding machines, different types of abrasives, bonds, specification and selection of a grinding wheel. Lapping, Honing & Broaching operations, comparison to grinding. UNIT - VI JIGS & FIXTURES: Principles of design of jigs and fixtures and uses, classification of jigs & fixtures, principles of location and clamping, types of clamping & work holding devices, typical examples of jigs and fixtures. CNC MACHINE TOOLS: CNC Machines, working principle, classification, constructional features of CNC machines, CNC controller, types of motion controls in CNC machines, applications of CNC machines.

Comments

Popular posts from this blog

Download Thermal Engineering by RK Rajput pdf download

Thermal engineering textbook by r.k rajput is one if the most referancial book for engineering Mechanical engineering download this book here contents of TE BOOK INTRODUCTION—OUTLINE OF SOME DESCRIPTIVE SYSTEMS BASIC CONCEPTS OF THERMODYNAMICS PROPERTIES OF PURE SUBSTANCES FIRST LAW OF THERMODYNAMICS SECOND LAW OF THERMODYNAMICS AND ENTROPY AVAILABILITY AND IRREVERSIBILITY THERMODYNAMIC RELATIONS IDEAL AND REAL GASES GASES AND VAPOUR MIXTURES PSYCHROMETRICS CHEMICAL THERMODYNAMICS VAPOUR POWER CYCLES GAS POWER CYCLES REFRIGERATION CYCLES HEAT TRANSFER COMPRESSIBLE FLOW here on download pdf book download textbooks for mechanical engineering 2/2 as per jntuk R16

DESIGN OF CURVED BEAMS (3rd unit of DMM-2 for mech jntuk-R16)

DESIGN OF CURVED BEAMS (3rd unit of DMM-2 for mech jntuk-R16) design of curved beams: introduction, stresses in curved beams, expression for radius of neutral axis for: Rectangular section circular section, trapezoidal section and T-section, design of crane hooks, c –clamps, OPEN BOOK HERE download pdf book of GOVERNORS (4th unit for mech jntuk-R16)

DESIGN OF MACHINE MEMBERS– II

class="w3-opacity">CONCEPTS DESIGN OF MACHINE MEMBERS– II ​ Course Objectives: • This course gives the insight of slider and roller bearings and the life prediction. • Learn to design I.C engine parts • Design the mechanical systems for power transmission elements such as gears,belts,ropes,chains, keys and levers UNIT – I BEARINGS: Classification of bearings- applications, types of journal bearings – lubrication – bearing modulus – full and partial bearings – clearance ratio – heat dissipation of bearings, bearing materials – journal bearing design – ball and roller bearings – static loading of ball & roller bearings, bearing life. UNIT – II ENGINE PARTS: Connecting Rod: Thrust in connecting rod – stress due to whipping action on connecting rod ends – cranks and crank shafts, strength and proportions of over hung and center cranks – crank pins, crank shafts. Pistons, forces acting on piston – construction design and proportions of