Introduction to Basic Manufacturing Processes and ... - always yours

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Introduction 15 particular application. This approach reduces the work involved in maintaining the product database and at the same time includes the latest modifications for any aspect related to manufacturing. In contrast to the common database approach, it is possible that sometimes individual modules in the production aspects may be taken from different vendors. In this case care need to be taken that information is properly transmitted between the modules and the data updating in all the modules takes place properly and at the right time. Some of above mentioned manufacturing activities are controlled by computers. These activities are commonly identified using the following terms. 1. Computer Aided Design (CAD) 2. Computer Aided Engineering (CAE) 3. Computer Aided Design And Drafting (CADD) 4. Computer Aided Process Planning (CAPP) 5. Computer Aided Tool Design (CATD) 6. Computer Aided Manufacturing (CAM) 7. Computer Aided Numerical Control (NC) Part Programming 8. Computer Aided Scheduling 9. Computer Aided Material Requirement Planning, etc. 10. Flexible Manufacturing System (FMS) 11. Group Technology (GT) 12. Computer aided Testing (CAT). 1.16 QUESTIONS 1. How do you classify the manufacturing processes? 2. Distinguish between ‘primary’ and ‘secondary’ processes? 3. Discuss primary shaping processes. Give also a brief account of the primary shaping processes. 4. Explain the secondary or machining processes. Give also a brief account of these processes. 5. Describe and name the types of joining processes, surface finishing operations and the processes employed for changing the properties of manufactured components. 6. Write a short note on assembly process. 7. Write short notes on: (a) Simplification, (b) Standardization, (c) Inspection and quality control, (d) Interchangeability, (e) Mechanization, (f) Automation, (g) Mechatronics. 8. What do you understand from the terms Manufacturing, Process plan, Maintenance? 9. Explain the term ‘Manufacturing System’. What all it encompasses and how an integrated approach is made for making an economical and competitive product? Describe how the use of computers helps in increasing manufacturing efficiency. 10. Explain the terms CAD, CAM, NC, CAD/CAM, MRP, FMS and CIM? 11. Write a short note on Group Technology? 12. Explain the influence exerted by the computers on the manufacturing scene? 13. Briefly explain the conventional process of the product cycle in the conventional manufacturing environment.
16 Introduction to Basic Manufacturing Processes and Workshop Technology 14. What are the functions that get benefited by the use of computers in design and manufacturing functions? 15. Briefly explain the various automation aspects used in manufacturing activities. 16. Write down the advantages which can be gained by the adoption of CAD? 17. Describe the advantages which can be gained by the adoption of CAM? 18. Write down the advantages which can be gained by the adoption of FMS? 19. Write down the advantages which can be gained by the adoption of manufacturing production scheduling (MPS)? 20. Write down the advantages which can be gained by the adoption of Material Requirement Planning (MRP)? 21. Explain the main advantages which can be gained by the adoption of CIM?
Page 2 and 3: PREFACE Manufacturing and workshop
Page 4 and 5: 1 CHAPTER INTRODUCTION 1.1 INTRODUC
Page 6 and 7: Introduction 3 material into finish
Page 8 and 9: 1.7.3 Metal Forming Processes Intro
Page 10 and 11: Introduction 7 security procedures
Page 12 and 13: Introduction 9 FMS and Computer Int
Page 14 and 15: Introduction 11 towards economic an
Page 16 and 17: Introduction 13 capabilities of the
Page 20 and 21: 2 CHAPTER PLANT AND SHOP LAYOUT 2.1
Page 22 and 23: Plant and Shop Layout 19 5. Working
Page 24 and 25: Plant and Shop Layout 21 according
Page 26 and 27: Plant and Shop Layout 23 5. Better
Page 28: Plant and Shop Layout 25 7. Machine
Page 31 and 32: 28 Introduction to Basic Manufactur
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66 Introduction to Basic Manufactur
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Non-Ferrous Materials 77 impurities
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Non-Ferrous Materials 79 It is made
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Applications Non-Ferrous Materials
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Non-Ferrous Materials 83 5.3.1.8 Gi
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Non-Ferrous Materials 85 springs, h
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5.4.2 Nickel Alloys Non-Ferrous Mat
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5.5 LEAD Non-Ferrous Materials 89 L
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Applications Non-Ferrous Materials
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Non-Ferrous Materials 93 (iv) (v) C
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Non-Ferrous Materials 95 produced i
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Non-Ferrous Materials 97 polymers,
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Non-Ferrous Materials 99 vessel mat
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Binocular Body Non-Ferrous Material
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Melting Furnaces 103 2. Steel (a) E
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Melting Furnaces 105 Blower Stove B
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1. Well Melting Furnaces 107 The sp
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Melting Furnaces 109 operations. In
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Melting Furnaces 111 The chemical c
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Melting Furnaces 113 Firing Door Fi
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Melting Furnaces 115 20 What is ref
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4. Specific Gravity Porperties and
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Porperties and Testing of Metals 11
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12. Creep Porperties and Testing of
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7.5 QUESTIONS Porperties and Testin
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Heat Treatment 131 (b) Movable type
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Heat Treatment 133 steels, in iron
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8.6.1.2 Ferrite Heat Treatment 135
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Heat Treatment 137 1. Normalizing 2
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Annealing is of two types (a) (b) P
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Heat Treatment 141 Sudden cooling o
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Heat Treatment 143 of temperature a
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Advantages of Aus-Tempering Heat Tr
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Heat Treatment 147 carbon steel is
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Heat Treatment 149 In the induction
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Heat Treatment 151 6. Write short n
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Carpentry 153 heartwood, sapwood, p
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Carpentry 155 The proper time of cu
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Carpentry 157 9.5 DEFECTS IN TIMBER
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9.8 FACTORS INFLUENCING TIMBER SELE
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Albumen glue Carpentry 161 It is pr
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Carpentry 163 The steel blade and m
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Carpentry 165 Jaw Clamp Trigger for
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Crosscut Saw Carpentry 167 Cross cu
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Jointer Plane Carpentry 169 When a
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Carpentry 171 pattern making and wh
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Forstner bits These are used for bo
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Pincer Carpentry 175 Pincers are co
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Carpentry 177 2. Circular Saw A cir
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10 CHAPTER PATTERN AND CORE MAKING
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Pattern and Core Making 181 quality
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Pattern and Core Making 183 Disadva
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3. Cope and drag pattern Pattern an
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Pattern and Core Making 187 11. Seg
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Pattern and Core Making 189 density
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Pattern and Core Making 191 Core bo
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5. Back saw 6. Panel saw 7. Miter s
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Pattern and Core Making 195 16. Pro
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11 CHAPTER FOUNDRY TOOLS AND EQUIPM
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Strike off bar Foundry Tools and Eq
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Foundry Tools and Equipments 201 Fi
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Foundry Tools and Equipments 203 re
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11.4.2 Classification of Moulding M
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Foundry Tools and Equipments 207 5.
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12.3 CONSTITUENTS OF MOLDING SAND M
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Mold and Core Making 211 some speci
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12.4.7 Parting sand Mold and Core M
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Mold and Core Making 215 increased
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12.6. 5 Strength Test Mold and Core
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Mold and Core Making 219 Balanced t
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Mold and Core Making 221 mixture we
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Mold and Core Making 223 Molding sa
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5. Runner Mold and Core Making 225
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12.12 ROLE OF RISER IN SAND CASTING
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12.15 CORE SAND Mold and Core Makin
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12.16.2.2 Core ramming machines Mol
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12.20.1 Bench Molding Mold and Core
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Mold and Core Making 235 This hard
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Mold and Core Making 237 Stirrer Pl
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Mold and Core Making 239 11. What i
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13 CHAPTER CASTING 13.1 INTRODUNCTI
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Casting 243 gravity only and no ext
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Casting 245 (iv) (v) Opening the di
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Casting 247 Applications 1. Carbure
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Casting 249 containing a mixture of
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Semi-Centrifugal Casting Casting 25
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Casting 253 Table 13.1: Probable Ca
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16. Swells 1. Too soft ramming of m
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13.12 QUESTIONS Casting 257 1. Desc
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51. Explain the causes and remedies
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Advantages of forging Some common a
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Forging 263 on it. Forgeable metals
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14.4.6 Open fire and stock fire fur
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Forging 267 10. The place of the me
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Forging 269 pickling in acid, shot
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Hand hammers Forging 271 There are
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Shovel Forging 273 Shovel generally
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Forging 275 opposite to drawing and
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Forging 277 Spring hammers may be m
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14.12 REMOVAL OF DEFECTS IN FORGING
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Forging 281 7. Pneumatic riveting m
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Hot Working of Metals 283 between a
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Hot Working of Metals 285 4. Porosi
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Hot Working of Metals 287 type of t
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Hot Working of Metals 289 Hot pirci
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Hot Working of Metals 291 the punch
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16 CHAPTER COLD WORKING 16.1 INTROD
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16.5 ADVANTAGES OF COLD WORKING Col
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Cold Working 297 Cold working proce
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Cold Working 299 steels are used in
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Cold Working 301 seaming and spinni
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Cold Working 303 Each section must
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Cold Working 305 12. What is impact
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Welding 307 Toe Fusion zone Weld fa
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Welding 309 2. Horizontal position
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Welding 311 5. Gas Metal Arc Weldin
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Welding 313 2. Carburizing welding
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Welding 315 could occur if the cyli
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Welding 317 8. For repairs, calibra
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Welding 319 mains electricity suppl
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Welding 321 6. Chipping hammer Chip
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Welding 323 2. Shielded metal arc w
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Electric power source Welding 325 B
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Welding 327 13. Welders and workers
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Welding 329 Where H = heat generate
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17.7.1.2 Resistance Seam Welding We
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Welding 333 5. Surface of the jobs
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17.8.3 Explosive Welding Welding 33
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Welding 337 be scattered. This scat
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Welding 339 Porosity Fig. 17.31(iii
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Welding 341 (b) (c) Bad welding tec
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Welding 343 exceeding 450°C and be
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Welding 345 7. What effect does wel
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Welding 347 (i) Spot welding (ii) S
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1. Black Iron Sheet Sheet Metal Wor
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Sheet Metal Work 351 (g) Bossing ma
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Sheet Metal Work 353 10. Blow horn
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Sheet Metal Work 355 4. Trammel. Fi
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Sheet Metal Work 357 18.4 FOLDING T
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Sheet Metal Work 359 4. Hem (single
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Sheet Metal Work 361 moveable. When
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Sheet Metal Work 363 4. Blanking. I
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Fitting 365 scriber, semi-circular
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9. Miscellaneous Tools Fitting 367
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19.2.1.11 Surface Gauge or Scribing
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Fitting 371 machined true to keep t
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Fitting 373 the thimble the spindle
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19.2.3.3 Caliper Fitting 375 Calipe
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0 .44 1.5 Fitting 377 12mm 0 5 1015
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Fitting 379 Scriber Spirit-level Sq
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Fitting 381 4. Ring gauge 5. Snap g
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19.2.4.1.3 Universal swivel base ma
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Fitting 385 (A) Type of Cut The mos
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Fitting 387 1. Hand file 2. Flat fi
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Fitting 389 Hand drill Pneumatic dr
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S h a n k D ia Fitting 391 in Fig.
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19.2.7.1 Pliers Fitting 393 Pliers
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Fitting 395 graded from fine to coa
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20 CHAPTER METAL CUTTING 20.1 INTRO
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Metal Cutting 399 turning, facing a
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(vii) Nose radius Metal Cutting 401
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Metal Cutting 403 Continuous chip D
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Metal Cutting 405 20.7 QUESTIONS 1.
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Lathe Machine 407 2. Centre or engi
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Lathe Machine 409 1. Bed 2. Head st
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Lathe Machine 411 1. End of bed gea
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Lathe Machine 413 It is rotated by
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Lathe Machine 415 (b) Operations wh
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Lathe Machine 417 Job Feed lever To
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Lathe Machine 419 longitudinal and
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Lathe Machine 421 22.12 QUESTIONS 1
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Drilling Machine 423 5. Feed handle
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Drilling Machine 425 feeding the dr
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Number sizes Drilling Machine 427 I
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Drilling Machine 429 the main cutti
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Drilling Machine 431 22.5.4 Counter
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22.7 CUTTING SPEED Drilling Machine
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Shaper, Planer and Slotter 435 take
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Shaper, Planer and Slotter 437 the
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Shaper, Planer and Slotter 439 work
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23.8 SHAPER OPERATIONS Shaper, Plan
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Shaper, Planer and Slotter 443 a st
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Shaper, Planer and Slotter 445 Ram
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24 CHAPTER MILLING 24.1 INTRODUCTIO
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24.4 TYPES OF MILLING CUTTERS Milli
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Milling 451 2. Planer milling machi
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Front brace Milling 453 It is an ex
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Face milling Milling 455 Fig. 24.9(
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Milling 457 A B Straddle milling (m
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25.2.1 Production of Metal Powders
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Particle shape Powder Metallurgy 46
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Powder Metallurgy 463 3. The dimens
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25.6 QUESTIONS Powder Metallurgy 46
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Inspection and Quality Control 467
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26.3.7 Fundamental Deviation Inspec
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INDEX A A feeler gauge 381 Abrasive
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Index 477 Cartridge brass 81 Case h
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Index 479 Core sand preparation 230
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Index 481 First aid 30, 39, 41, 49,
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Index 483 High speed steels 62, 66,
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Index 485 Mechanical properties 116
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Index 487 Pattern construction 195
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Index 489 Role of riser 227 Roll fo
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Index 491 Surface cleaning process
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Index 493 W Water seasoning 156 Wax
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