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Manufacturing Technology - 2

by Vtu Rangers
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Vtu Rangers
Vtu Rangers
A Course Material on Manufacturing Technology - II By Mr. M. IYER. M.E. ASSISTANT PROFESSOR DEPARTMENT OF MECHANICAL ENGINEERING SASURIE COLLEGE OF ENGINEERING VIJAYAMANGALAM – 638 056 SCE 1 Department of Mechanical Engineering
QUALITY CERTIFICATE This is to certify that the e-course material Subject Code : ME6402 Subject : Manufacturing Technology -II Class : II Year MECHANICAL ENGINEERING being prepared by me and it meets the knowledge requirement of the university curriculum. Signature of the Author Name : M. IYER. M.E. Designation: ASSISTANT PROFESSOR This is to certify that the course material being prepared by Mr. M. IYER. M.E. is of adequate quality. He has referred more than five books among them minimum one is from abroad author. Signature of HD Name: E.R.SIVAKUMAR . M.E., (Ph.D.) SEAL SCE 2 Department of Mechanical Engineering
CONTENTS SL. NO. i 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 4 4.1 4.2 SCE TOPICS PAGE NO. 5 SYLLABUS UNIT – I 6 THEORY OF METAL CUTTING MECHANICS OF CHIP FORMATION 6 SINGLE-POINT CUTTING TOOL 6 FORCES IN MACHINING 7 TYPES OF CHIP 8 CUTTING TOOL NOMENCLATURE 10 ORTHOGONAL METAL CUTTING 11 THERMAL ASPECTS 12 CUTTING TOOL MATERIALS 13 TOOL WEAR AND TOOL LIFE 15 SURFACE FINISH 16 CUTTING FLUIDS 17 MACHINABILITY 19 UNIT - II 21 TURNING MACHINES CENTER LATHES 21 TAPER TURNING METHODS 22 THREAD CUTTING METHODS 23 SPECIAL ATTACHMENTS 23 24 MACHINING TIME CAPSTAN VERSUS TURRET 24 SEMI-AUTOMATIC 25 AUTOMATIC 25 UNIT - III 26 SHAPER, MILLING AND GEAR CUTTING MACHINES SHAPERS 26 TYPES OF SHAPERS 26 DRILLING AND REAMING 27 BORING 29 TAPPING 30 MILLING 30 GEAR 33 GEAR MILLING 33 GEAR HOBBING 34 SHAPING WITH A PINION-SHAPED CUTTER 34 FINISHING OPERATIONS 35 UNIT - IV 36 ABRASIVE PROCESS AND BROACHING ABRASIVE PROCESSES 36 GRINDING WHEELS 36 3 Department of Mechanical Engineering
4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 5 5.1 5.2 5.3 5.4 5.5 5.6 6 7 8 SCE TYPES OF GRINDING PROCESSES CYLINDRICAL GRINDING OUTSIDE DIAMETER GRINDING CENTERLESS GRINDING INTERNAL GRINDING CONCEPTS OF SURFACE INTEGRITY BROACHING MACHINES PUSH TYPE BROACHING MACHINE PULL TYPE BROACHING MACHINE SURFACE BROACHES CONTINUOUS CHAIN BROACHING UNIT -V CNC MACHINES NUMERICAL CONTROL (NC) MACHINE TOOLS TYPES OF NC SYSTEMS PROGRAMMING FUNDAMENTALS CNC MANUAL PART PROGRAMMING MICROMACHINING WATER MACHINING 38 39 40 43 43 44 45 45 46 47 47 49 QUESTION BANK 49 49 53 57 63 64 67 2 MARKS QUESTIONS AND ANSWERS UNIVERSITY MODEL QUESTIONS 72 111 4 Department of Mechanical Engineering

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